URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
Compare Revisions
- This comparison shows the changes necessary to convert path
/or1k/trunk/newlib-1.10.0/newlib/libc/machine/xscale
- from Rev 1010 to Rev 1765
- ↔ Reverse comparison
Rev 1010 → Rev 1765
/memcmp.c
0,0 → 1,112
#if defined __thumb__ |
|
#include "../../string/memcmp.c" |
|
#else |
|
#include <string.h> |
#include "xscale.h" |
|
int |
memcmp (const void * s1, const void * s2, size_t len) |
{ |
int result; |
asm ( |
#ifndef __OPTIMIZE_SIZE__ |
" |
cmp %2, #0x3 @ Is the length a multiple of four ? |
bls 6f @ no = goto SLOW CHECK |
and r2, %0, #0x3 @ get alignment of first pointer |
and r3, %1, #0x3 @ get alignment of second pointer |
cmp r2, r3 @ Do the two pointers share the same alignment ? |
bne 6f @ no = goto SLOW CHECK |
mov lr, %0 @ copy first pointer into LR |
mov r4, %1 @ copy second pointer into R4 |
cmp r2, #0x0 @ Are we comparing word aligned pointers ? |
beq 3f @ yes = goto START WORD CHECK LOOP |
b 1f @ jump to LOOP TEST |
0: @ LOOP START |
ldrb r2, [lr], #1 @ load byte from LR, post inc. |
" PRELOADSTR("lr") " @ preload |
ldrb r3, [r4], #1 @ load byte from R4, post inc. |
" PRELOADSTR("r4") " @ preload |
cmp r2, r3 @ are the two bytes the same ? |
bne 5f @ no = goto EXIT |
tst lr, #0x3 @ has the LR become word aligned ? |
bne 1f @ no = skip the next test |
cmp %2, #4 @ is the count >= 4 ? |
bhs 3f @ yes = goto START WORD CHECK LOOP |
1: @ LOOP TEST |
sub %2, %2, #1 @ decrement count by one |
cmn %2, #0x1 @ has the count reached -1 ? |
bne 0b @ no = loop back to LOOP START |
b 4f @ goto PASS END |
|
0: @ ?? |
cmp %2, #0x7 @ Is the count a multiple of 8 ? |
bls 3f @ no = goto ??? |
ldmia lr,{r2, r3} @ get two words from first pointer, post inc |
ldmia r4,{r5, r6} @ get two words from second pointer, post inc |
sub %2, %2, #0x4 @ decrement count by 4 |
cmp r2, r5 @ has the count reached ???? |
bne 1f @ no = goto |
sub %2, %2, #0x4 @ decrement the count by 4 |
add lr, lr, #0x4 @ add 4 to first pointer |
add r4, r4, #0x4 @ add 4 to second pointer |
cmp r3, r6 @ ??? |
beq 0b @ goto ??? |
1: @ ?? |
add %2, %2, #0x4 @ Add four to count |
sub %0, lr, #0x4 @ decrement first pointer by 4 |
sub %1, r4, #0x4 @ decrement second pointer by 4 |
b 6f @ goto SLOW CHECK |
|
3: @ START WORD CHECK LOOP |
cmp %2, #0x3 @ is the count <= 3 ? |
bls 1f @ yes = goto CHECK BYTES BY HAND |
ldr r2, [lr], #4 @ get word from LR, post inc |
ldr r3, [r4], #4 @ get word from R4, post inc |
sub %2, %2, #4 @ decrement count by 4 |
cmp r2, r3 @ are the two words the same ? |
bne 1f @ no = goto CHECK WORD CONTENTS |
0: @ WORD CHECK LOOP |
cmp %2, #0x3 @ is the count <= 3 ? |
bls 1f @ yes = goto CHECK BYTES BY HAND |
ldr r2, [lr], #4 @ load word from LR, post inc |
" PRELOADSTR("lr") " @ preload |
ldr r3, [r4], #4 @ load word from R4, post inc |
" PRELOADSTR("r4") " @ preload |
sub %2, %2, #4 @ decrement count by 4 |
cmp r2, r3 @ are the two words the same ? |
beq 0b @ yes = goto WORD CHECK LOOP |
1: @ CHECK BYTES BY HAND |
sub %0, lr, #0x4 @ move LR back a word and put into first pointer |
sub %1, r4, #0x4 @ move R4 back a word and put into second pointer |
add %2, %2, #4 @ increment the count by 4 |
@ fall through into SLOW CHECK" |
#endif /* !__OPTIMIZE_SIZE__ */ |
" |
6: @ SLOW CHECK |
sub %2, %2, #1 @ Decrement the count by one |
cmn %2, #0x1 @ Has the count reached -1 ? |
beq 4f @ Yes - we are finished, goto PASS END |
0: @ LOOP1 |
ldrb r2, [%0], #1 @ get byte from first pointer |
" PRELOADSTR("%0") " @ preload first pointer |
ldrb r3, [%1], #1 @ get byte from second pointer |
" PRELOADSTR("%1") " @ preload second pointer |
cmp r2, r3 @ compare the two loaded bytes |
bne 5f @ if they are not equal goto EXIT |
sub %2, %2, #1 @ decremented count by 1 |
cmn %2, #0x1 @ has the count reached -1 ? |
bne 0b @ no = then go back to LOOP1 |
4: @ PASS END |
mov r3, r2 @ Default return value is 0 |
5: @ EXIT |
rsb %0, r3, r2 @ return difference between last two bytes loaded" |
: "=r" (result), "=&r" (s2), "=&r" (len) |
: "0" (s1), "1" (s2), "2" (len) |
: "r2", "r3", "r4", "r5", "r6", "cc", "lr"); |
return result; |
} |
#endif |
/configure
0,0 → 1,1722
#! /bin/sh |
|
# Guess values for system-dependent variables and create Makefiles. |
# Generated automatically using autoconf version 2.13 |
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc. |
# |
# This configure script is free software; the Free Software Foundation |
# gives unlimited permission to copy, distribute and modify it. |
|
# Defaults: |
ac_help= |
ac_default_prefix=/usr/local |
# Any additions from configure.in: |
ac_help="$ac_help |
--enable-multilib build many library versions (default)" |
ac_help="$ac_help |
--enable-target-optspace optimize for space" |
ac_help="$ac_help |
--enable-malloc-debugging indicate malloc debugging requested" |
ac_help="$ac_help |
--enable-newlib-mb enable multibyte support" |
ac_help="$ac_help |
--enable-maintainer-mode enable make rules and dependencies not useful |
(and sometimes confusing) to the casual installer" |
|
# Initialize some variables set by options. |
# The variables have the same names as the options, with |
# dashes changed to underlines. |
build=NONE |
cache_file=./config.cache |
exec_prefix=NONE |
host=NONE |
no_create= |
nonopt=NONE |
no_recursion= |
prefix=NONE |
program_prefix=NONE |
program_suffix=NONE |
program_transform_name=s,x,x, |
silent= |
site= |
sitefile= |
srcdir= |
target=NONE |
verbose= |
x_includes=NONE |
x_libraries=NONE |
bindir='${exec_prefix}/bin' |
sbindir='${exec_prefix}/sbin' |
libexecdir='${exec_prefix}/libexec' |
datadir='${prefix}/share' |
sysconfdir='${prefix}/etc' |
sharedstatedir='${prefix}/com' |
localstatedir='${prefix}/var' |
libdir='${exec_prefix}/lib' |
includedir='${prefix}/include' |
oldincludedir='/usr/include' |
infodir='${prefix}/info' |
mandir='${prefix}/man' |
|
# Initialize some other variables. |
subdirs= |
MFLAGS= MAKEFLAGS= |
SHELL=${CONFIG_SHELL-/bin/sh} |
# Maximum number of lines to put in a shell here document. |
ac_max_here_lines=12 |
|
ac_prev= |
for ac_option |
do |
|
# If the previous option needs an argument, assign it. |
if test -n "$ac_prev"; then |
eval "$ac_prev=\$ac_option" |
ac_prev= |
continue |
fi |
|
case "$ac_option" in |
-*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; |
*) ac_optarg= ;; |
esac |
|
# Accept the important Cygnus configure options, so we can diagnose typos. |
|
case "$ac_option" in |
|
-bindir | --bindir | --bindi | --bind | --bin | --bi) |
ac_prev=bindir ;; |
-bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*) |
bindir="$ac_optarg" ;; |
|
-build | --build | --buil | --bui | --bu) |
ac_prev=build ;; |
-build=* | --build=* | --buil=* | --bui=* | --bu=*) |
build="$ac_optarg" ;; |
|
-cache-file | --cache-file | --cache-fil | --cache-fi \ |
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) |
ac_prev=cache_file ;; |
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ |
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*) |
cache_file="$ac_optarg" ;; |
|
-datadir | --datadir | --datadi | --datad | --data | --dat | --da) |
ac_prev=datadir ;; |
-datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \ |
| --da=*) |
datadir="$ac_optarg" ;; |
|
-disable-* | --disable-*) |
ac_feature=`echo $ac_option|sed -e 's/-*disable-//'` |
# Reject names that are not valid shell variable names. |
if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then |
{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; } |
fi |
ac_feature=`echo $ac_feature| sed 's/-/_/g'` |
eval "enable_${ac_feature}=no" ;; |
|
-enable-* | --enable-*) |
ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'` |
# Reject names that are not valid shell variable names. |
if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then |
{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; } |
fi |
ac_feature=`echo $ac_feature| sed 's/-/_/g'` |
case "$ac_option" in |
*=*) ;; |
*) ac_optarg=yes ;; |
esac |
eval "enable_${ac_feature}='$ac_optarg'" ;; |
|
-exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \ |
| --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \ |
| --exec | --exe | --ex) |
ac_prev=exec_prefix ;; |
-exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \ |
| --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \ |
| --exec=* | --exe=* | --ex=*) |
exec_prefix="$ac_optarg" ;; |
|
-gas | --gas | --ga | --g) |
# Obsolete; use --with-gas. |
with_gas=yes ;; |
|
-help | --help | --hel | --he) |
# Omit some internal or obsolete options to make the list less imposing. |
# This message is too long to be a string in the A/UX 3.1 sh. |
cat << EOF |
Usage: configure [options] [host] |
Options: [defaults in brackets after descriptions] |
Configuration: |
--cache-file=FILE cache test results in FILE |
--help print this message |
--no-create do not create output files |
--quiet, --silent do not print \`checking...' messages |
--site-file=FILE use FILE as the site file |
--version print the version of autoconf that created configure |
Directory and file names: |
--prefix=PREFIX install architecture-independent files in PREFIX |
[$ac_default_prefix] |
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX |
[same as prefix] |
--bindir=DIR user executables in DIR [EPREFIX/bin] |
--sbindir=DIR system admin executables in DIR [EPREFIX/sbin] |
--libexecdir=DIR program executables in DIR [EPREFIX/libexec] |
--datadir=DIR read-only architecture-independent data in DIR |
[PREFIX/share] |
--sysconfdir=DIR read-only single-machine data in DIR [PREFIX/etc] |
--sharedstatedir=DIR modifiable architecture-independent data in DIR |
[PREFIX/com] |
--localstatedir=DIR modifiable single-machine data in DIR [PREFIX/var] |
--libdir=DIR object code libraries in DIR [EPREFIX/lib] |
--includedir=DIR C header files in DIR [PREFIX/include] |
--oldincludedir=DIR C header files for non-gcc in DIR [/usr/include] |
--infodir=DIR info documentation in DIR [PREFIX/info] |
--mandir=DIR man documentation in DIR [PREFIX/man] |
--srcdir=DIR find the sources in DIR [configure dir or ..] |
--program-prefix=PREFIX prepend PREFIX to installed program names |
--program-suffix=SUFFIX append SUFFIX to installed program names |
--program-transform-name=PROGRAM |
run sed PROGRAM on installed program names |
EOF |
cat << EOF |
Host type: |
--build=BUILD configure for building on BUILD [BUILD=HOST] |
--host=HOST configure for HOST [guessed] |
--target=TARGET configure for TARGET [TARGET=HOST] |
Features and packages: |
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) |
--enable-FEATURE[=ARG] include FEATURE [ARG=yes] |
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes] |
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) |
--x-includes=DIR X include files are in DIR |
--x-libraries=DIR X library files are in DIR |
EOF |
if test -n "$ac_help"; then |
echo "--enable and --with options recognized:$ac_help" |
fi |
exit 0 ;; |
|
-host | --host | --hos | --ho) |
ac_prev=host ;; |
-host=* | --host=* | --hos=* | --ho=*) |
host="$ac_optarg" ;; |
|
-includedir | --includedir | --includedi | --included | --include \ |
| --includ | --inclu | --incl | --inc) |
ac_prev=includedir ;; |
-includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \ |
| --includ=* | --inclu=* | --incl=* | --inc=*) |
includedir="$ac_optarg" ;; |
|
-infodir | --infodir | --infodi | --infod | --info | --inf) |
ac_prev=infodir ;; |
-infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*) |
infodir="$ac_optarg" ;; |
|
-libdir | --libdir | --libdi | --libd) |
ac_prev=libdir ;; |
-libdir=* | --libdir=* | --libdi=* | --libd=*) |
libdir="$ac_optarg" ;; |
|
-libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \ |
| --libexe | --libex | --libe) |
ac_prev=libexecdir ;; |
-libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \ |
| --libexe=* | --libex=* | --libe=*) |
libexecdir="$ac_optarg" ;; |
|
-localstatedir | --localstatedir | --localstatedi | --localstated \ |
| --localstate | --localstat | --localsta | --localst \ |
| --locals | --local | --loca | --loc | --lo) |
ac_prev=localstatedir ;; |
-localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \ |
| --localstate=* | --localstat=* | --localsta=* | --localst=* \ |
| --locals=* | --local=* | --loca=* | --loc=* | --lo=*) |
localstatedir="$ac_optarg" ;; |
|
-mandir | --mandir | --mandi | --mand | --man | --ma | --m) |
ac_prev=mandir ;; |
-mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*) |
mandir="$ac_optarg" ;; |
|
-nfp | --nfp | --nf) |
# Obsolete; use --without-fp. |
with_fp=no ;; |
|
-no-create | --no-create | --no-creat | --no-crea | --no-cre \ |
| --no-cr | --no-c) |
no_create=yes ;; |
|
-no-recursion | --no-recursion | --no-recursio | --no-recursi \ |
| --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) |
no_recursion=yes ;; |
|
-oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \ |
| --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \ |
| --oldin | --oldi | --old | --ol | --o) |
ac_prev=oldincludedir ;; |
-oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \ |
| --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \ |
| --oldin=* | --oldi=* | --old=* | --ol=* | --o=*) |
oldincludedir="$ac_optarg" ;; |
|
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p) |
ac_prev=prefix ;; |
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) |
prefix="$ac_optarg" ;; |
|
-program-prefix | --program-prefix | --program-prefi | --program-pref \ |
| --program-pre | --program-pr | --program-p) |
ac_prev=program_prefix ;; |
-program-prefix=* | --program-prefix=* | --program-prefi=* \ |
| --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*) |
program_prefix="$ac_optarg" ;; |
|
-program-suffix | --program-suffix | --program-suffi | --program-suff \ |
| --program-suf | --program-su | --program-s) |
ac_prev=program_suffix ;; |
-program-suffix=* | --program-suffix=* | --program-suffi=* \ |
| --program-suff=* | --program-suf=* | --program-su=* | --program-s=*) |
program_suffix="$ac_optarg" ;; |
|
-program-transform-name | --program-transform-name \ |
| --program-transform-nam | --program-transform-na \ |
| --program-transform-n | --program-transform- \ |
| --program-transform | --program-transfor \ |
| --program-transfo | --program-transf \ |
| --program-trans | --program-tran \ |
| --progr-tra | --program-tr | --program-t) |
ac_prev=program_transform_name ;; |
-program-transform-name=* | --program-transform-name=* \ |
| --program-transform-nam=* | --program-transform-na=* \ |
| --program-transform-n=* | --program-transform-=* \ |
| --program-transform=* | --program-transfor=* \ |
| --program-transfo=* | --program-transf=* \ |
| --program-trans=* | --program-tran=* \ |
| --progr-tra=* | --program-tr=* | --program-t=*) |
program_transform_name="$ac_optarg" ;; |
|
-q | -quiet | --quiet | --quie | --qui | --qu | --q \ |
| -silent | --silent | --silen | --sile | --sil) |
silent=yes ;; |
|
-sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) |
ac_prev=sbindir ;; |
-sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ |
| --sbi=* | --sb=*) |
sbindir="$ac_optarg" ;; |
|
-sharedstatedir | --sharedstatedir | --sharedstatedi \ |
| --sharedstated | --sharedstate | --sharedstat | --sharedsta \ |
| --sharedst | --shareds | --shared | --share | --shar \ |
| --sha | --sh) |
ac_prev=sharedstatedir ;; |
-sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \ |
| --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \ |
| --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \ |
| --sha=* | --sh=*) |
sharedstatedir="$ac_optarg" ;; |
|
-site | --site | --sit) |
ac_prev=site ;; |
-site=* | --site=* | --sit=*) |
site="$ac_optarg" ;; |
|
-site-file | --site-file | --site-fil | --site-fi | --site-f) |
ac_prev=sitefile ;; |
-site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*) |
sitefile="$ac_optarg" ;; |
|
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr) |
ac_prev=srcdir ;; |
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) |
srcdir="$ac_optarg" ;; |
|
-sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \ |
| --syscon | --sysco | --sysc | --sys | --sy) |
ac_prev=sysconfdir ;; |
-sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \ |
| --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*) |
sysconfdir="$ac_optarg" ;; |
|
-target | --target | --targe | --targ | --tar | --ta | --t) |
ac_prev=target ;; |
-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*) |
target="$ac_optarg" ;; |
|
-v | -verbose | --verbose | --verbos | --verbo | --verb) |
verbose=yes ;; |
|
-version | --version | --versio | --versi | --vers) |
echo "configure generated by autoconf version 2.13" |
exit 0 ;; |
|
-with-* | --with-*) |
ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'` |
# Reject names that are not valid shell variable names. |
if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then |
{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; } |
fi |
ac_package=`echo $ac_package| sed 's/-/_/g'` |
case "$ac_option" in |
*=*) ;; |
*) ac_optarg=yes ;; |
esac |
eval "with_${ac_package}='$ac_optarg'" ;; |
|
-without-* | --without-*) |
ac_package=`echo $ac_option|sed -e 's/-*without-//'` |
# Reject names that are not valid shell variable names. |
if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then |
{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; } |
fi |
ac_package=`echo $ac_package| sed 's/-/_/g'` |
eval "with_${ac_package}=no" ;; |
|
--x) |
# Obsolete; use --with-x. |
with_x=yes ;; |
|
-x-includes | --x-includes | --x-include | --x-includ | --x-inclu \ |
| --x-incl | --x-inc | --x-in | --x-i) |
ac_prev=x_includes ;; |
-x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \ |
| --x-incl=* | --x-inc=* | --x-in=* | --x-i=*) |
x_includes="$ac_optarg" ;; |
|
-x-libraries | --x-libraries | --x-librarie | --x-librari \ |
| --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l) |
ac_prev=x_libraries ;; |
-x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \ |
| --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*) |
x_libraries="$ac_optarg" ;; |
|
-*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; } |
;; |
|
*) |
if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then |
echo "configure: warning: $ac_option: invalid host type" 1>&2 |
fi |
if test "x$nonopt" != xNONE; then |
{ echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } |
fi |
nonopt="$ac_option" |
;; |
|
esac |
done |
|
if test -n "$ac_prev"; then |
{ echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; } |
fi |
|
trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15 |
|
# File descriptor usage: |
# 0 standard input |
# 1 file creation |
# 2 errors and warnings |
# 3 some systems may open it to /dev/tty |
# 4 used on the Kubota Titan |
# 6 checking for... messages and results |
# 5 compiler messages saved in config.log |
if test "$silent" = yes; then |
exec 6>/dev/null |
else |
exec 6>&1 |
fi |
exec 5>./config.log |
|
echo "\ |
This file contains any messages produced by compilers while |
running configure, to aid debugging if configure makes a mistake. |
" 1>&5 |
|
# Strip out --no-create and --no-recursion so they do not pile up. |
# Also quote any args containing shell metacharacters. |
ac_configure_args= |
for ac_arg |
do |
case "$ac_arg" in |
-no-create | --no-create | --no-creat | --no-crea | --no-cre \ |
| --no-cr | --no-c) ;; |
-no-recursion | --no-recursion | --no-recursio | --no-recursi \ |
| --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;; |
*" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*) |
ac_configure_args="$ac_configure_args '$ac_arg'" ;; |
*) ac_configure_args="$ac_configure_args $ac_arg" ;; |
esac |
done |
|
# NLS nuisances. |
# Only set these to C if already set. These must not be set unconditionally |
# because not all systems understand e.g. LANG=C (notably SCO). |
# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'! |
# Non-C LC_CTYPE values break the ctype check. |
if test "${LANG+set}" = set; then LANG=C; export LANG; fi |
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi |
if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi |
if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi |
|
# confdefs.h avoids OS command line length limits that DEFS can exceed. |
rm -rf conftest* confdefs.h |
# AIX cpp loses on an empty file, so make sure it contains at least a newline. |
echo > confdefs.h |
|
# A filename unique to this package, relative to the directory that |
# configure is in, which we can look for to find out if srcdir is correct. |
ac_unique_file=Makefile.am |
|
# Find the source files, if location was not specified. |
if test -z "$srcdir"; then |
ac_srcdir_defaulted=yes |
# Try the directory containing this script, then its parent. |
ac_prog=$0 |
ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'` |
test "x$ac_confdir" = "x$ac_prog" && ac_confdir=. |
srcdir=$ac_confdir |
if test ! -r $srcdir/$ac_unique_file; then |
srcdir=.. |
fi |
else |
ac_srcdir_defaulted=no |
fi |
if test ! -r $srcdir/$ac_unique_file; then |
if test "$ac_srcdir_defaulted" = yes; then |
{ echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; } |
else |
{ echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; } |
fi |
fi |
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'` |
|
# Prefer explicitly selected file to automatically selected ones. |
if test -z "$sitefile"; then |
if test -z "$CONFIG_SITE"; then |
if test "x$prefix" != xNONE; then |
CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site" |
else |
CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" |
fi |
fi |
else |
CONFIG_SITE="$sitefile" |
fi |
for ac_site_file in $CONFIG_SITE; do |
if test -r "$ac_site_file"; then |
echo "loading site script $ac_site_file" |
. "$ac_site_file" |
fi |
done |
|
if test -r "$cache_file"; then |
echo "loading cache $cache_file" |
. $cache_file |
else |
echo "creating cache $cache_file" |
> $cache_file |
fi |
|
ac_ext=c |
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. |
ac_cpp='$CPP $CPPFLAGS' |
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5' |
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5' |
cross_compiling=$ac_cv_prog_cc_cross |
|
ac_exeext= |
ac_objext=o |
if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then |
# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. |
if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then |
ac_n= ac_c=' |
' ac_t=' ' |
else |
ac_n=-n ac_c= ac_t= |
fi |
else |
ac_n= ac_c='\c' ac_t= |
fi |
|
|
|
ac_aux_dir= |
for ac_dir in ../../../.. $srcdir/../../../..; do |
if test -f $ac_dir/install-sh; then |
ac_aux_dir=$ac_dir |
ac_install_sh="$ac_aux_dir/install-sh -c" |
break |
elif test -f $ac_dir/install.sh; then |
ac_aux_dir=$ac_dir |
ac_install_sh="$ac_aux_dir/install.sh -c" |
break |
fi |
done |
if test -z "$ac_aux_dir"; then |
{ echo "configure: error: can not find install-sh or install.sh in ../../../.. $srcdir/../../../.." 1>&2; exit 1; } |
fi |
ac_config_guess=$ac_aux_dir/config.guess |
ac_config_sub=$ac_aux_dir/config.sub |
ac_configure=$ac_aux_dir/configure # This should be Cygnus configure. |
|
|
# Find a good install program. We prefer a C program (faster), |
# so one script is as good as another. But avoid the broken or |
# incompatible versions: |
# SysV /etc/install, /usr/sbin/install |
# SunOS /usr/etc/install |
# IRIX /sbin/install |
# AIX /bin/install |
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag |
# AFS /usr/afsws/bin/install, which mishandles nonexistent args |
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" |
# ./install, which can be erroneously created by make from ./install.sh. |
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 |
echo "configure:580: checking for a BSD compatible install" >&5 |
if test -z "$INSTALL"; then |
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":" |
for ac_dir in $PATH; do |
# Account for people who put trailing slashes in PATH elements. |
case "$ac_dir/" in |
/|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; |
*) |
# OSF1 and SCO ODT 3.0 have their own names for install. |
# Don't use installbsd from OSF since it installs stuff as root |
# by default. |
for ac_prog in ginstall scoinst install; do |
if test -f $ac_dir/$ac_prog; then |
if test $ac_prog = install && |
grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then |
# AIX install. It has an incompatible calling convention. |
: |
else |
ac_cv_path_install="$ac_dir/$ac_prog -c" |
break 2 |
fi |
fi |
done |
;; |
esac |
done |
IFS="$ac_save_IFS" |
|
fi |
if test "${ac_cv_path_install+set}" = set; then |
INSTALL="$ac_cv_path_install" |
else |
# As a last resort, use the slow shell script. We don't cache a |
# path for INSTALL within a source directory, because that will |
# break other packages using the cache if that directory is |
# removed, or if the path is relative. |
INSTALL="$ac_install_sh" |
fi |
fi |
echo "$ac_t""$INSTALL" 1>&6 |
|
# Use test -z because SunOS4 sh mishandles braces in ${var-val}. |
# It thinks the first close brace ends the variable substitution. |
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' |
|
test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}' |
|
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' |
|
echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6 |
echo "configure:633: checking whether build environment is sane" >&5 |
# Just in case |
sleep 1 |
echo timestamp > conftestfile |
# Do `set' in a subshell so we don't clobber the current shell's |
# arguments. Must try -L first in case configure is actually a |
# symlink; some systems play weird games with the mod time of symlinks |
# (eg FreeBSD returns the mod time of the symlink's containing |
# directory). |
if ( |
set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` |
if test "$*" = "X"; then |
# -L didn't work. |
set X `ls -t $srcdir/configure conftestfile` |
fi |
if test "$*" != "X $srcdir/configure conftestfile" \ |
&& test "$*" != "X conftestfile $srcdir/configure"; then |
|
# If neither matched, then we have a broken ls. This can happen |
# if, for instance, CONFIG_SHELL is bash and it inherits a |
# broken ls alias from the environment. This has actually |
# happened. Such a system could not be considered "sane". |
{ echo "configure: error: ls -t appears to fail. Make sure there is not a broken |
alias in your environment" 1>&2; exit 1; } |
fi |
|
test "$2" = conftestfile |
) |
then |
# Ok. |
: |
else |
{ echo "configure: error: newly created file is older than distributed files! |
Check your system clock" 1>&2; exit 1; } |
fi |
rm -f conftest* |
echo "$ac_t""yes" 1>&6 |
if test "$program_transform_name" = s,x,x,; then |
program_transform_name= |
else |
# Double any \ or $. echo might interpret backslashes. |
cat <<\EOF_SED > conftestsed |
s,\\,\\\\,g; s,\$,$$,g |
EOF_SED |
program_transform_name="`echo $program_transform_name|sed -f conftestsed`" |
rm -f conftestsed |
fi |
test "$program_prefix" != NONE && |
program_transform_name="s,^,${program_prefix},; $program_transform_name" |
# Use a double $ so make ignores it. |
test "$program_suffix" != NONE && |
program_transform_name="s,\$\$,${program_suffix},; $program_transform_name" |
|
# sed with no file args requires a program. |
test "$program_transform_name" = "" && program_transform_name="s,x,x," |
|
echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6 |
echo "configure:690: checking whether ${MAKE-make} sets \${MAKE}" >&5 |
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'` |
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
cat > conftestmake <<\EOF |
all: |
@echo 'ac_maketemp="${MAKE}"' |
EOF |
# GNU make sometimes prints "make[1]: Entering...", which would confuse us. |
eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=` |
if test -n "$ac_maketemp"; then |
eval ac_cv_prog_make_${ac_make}_set=yes |
else |
eval ac_cv_prog_make_${ac_make}_set=no |
fi |
rm -f conftestmake |
fi |
if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then |
echo "$ac_t""yes" 1>&6 |
SET_MAKE= |
else |
echo "$ac_t""no" 1>&6 |
SET_MAKE="MAKE=${MAKE-make}" |
fi |
|
if test $host != $build; then |
ac_tool_prefix=${host_alias}- |
else |
ac_tool_prefix= |
fi |
|
echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6 |
echo "configure:723: checking for Cygwin environment" >&5 |
if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
cat > conftest.$ac_ext <<EOF |
#line 728 "configure" |
#include "confdefs.h" |
|
int main() { |
|
#ifndef __CYGWIN__ |
#define __CYGWIN__ __CYGWIN32__ |
#endif |
return __CYGWIN__; |
; return 0; } |
EOF |
if { (eval echo configure:739: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then |
rm -rf conftest* |
ac_cv_cygwin=yes |
else |
echo "configure: failed program was:" >&5 |
cat conftest.$ac_ext >&5 |
rm -rf conftest* |
ac_cv_cygwin=no |
fi |
rm -f conftest* |
rm -f conftest* |
fi |
|
echo "$ac_t""$ac_cv_cygwin" 1>&6 |
CYGWIN= |
test "$ac_cv_cygwin" = yes && CYGWIN=yes |
echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6 |
echo "configure:756: checking for mingw32 environment" >&5 |
if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
cat > conftest.$ac_ext <<EOF |
#line 761 "configure" |
#include "confdefs.h" |
|
int main() { |
return __MINGW32__; |
; return 0; } |
EOF |
if { (eval echo configure:768: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then |
rm -rf conftest* |
ac_cv_mingw32=yes |
else |
echo "configure: failed program was:" >&5 |
cat conftest.$ac_ext >&5 |
rm -rf conftest* |
ac_cv_mingw32=no |
fi |
rm -f conftest* |
rm -f conftest* |
fi |
|
echo "$ac_t""$ac_cv_mingw32" 1>&6 |
MINGW32= |
test "$ac_cv_mingw32" = yes && MINGW32=yes |
|
# Check whether --enable-multilib or --disable-multilib was given. |
if test "${enable_multilib+set}" = set; then |
enableval="$enable_multilib" |
case "${enableval}" in |
yes) multilib=yes ;; |
no) multilib=no ;; |
*) { echo "configure: error: bad value ${enableval} for multilib option" 1>&2; exit 1; } ;; |
esac |
else |
multilib=yes |
fi |
|
# Check whether --enable-target-optspace or --disable-target-optspace was given. |
if test "${enable_target_optspace+set}" = set; then |
enableval="$enable_target_optspace" |
case "${enableval}" in |
yes) target_optspace=yes ;; |
no) target_optspace=no ;; |
*) { echo "configure: error: bad value ${enableval} for target-optspace option" 1>&2; exit 1; } ;; |
esac |
else |
target_optspace= |
fi |
|
# Check whether --enable-malloc-debugging or --disable-malloc-debugging was given. |
if test "${enable_malloc_debugging+set}" = set; then |
enableval="$enable_malloc_debugging" |
case "${enableval}" in |
yes) malloc_debugging=yes ;; |
no) malloc_debugging=no ;; |
*) { echo "configure: error: bad value ${enableval} for malloc-debugging option" 1>&2; exit 1; } ;; |
esac |
else |
malloc_debugging= |
fi |
|
# Check whether --enable-newlib-mb or --disable-newlib-mb was given. |
if test "${enable_newlib_mb+set}" = set; then |
enableval="$enable_newlib_mb" |
case "${enableval}" in |
yes) newlib_mb=yes ;; |
no) newlib_mb=no ;; |
*) { echo "configure: error: bad value ${enableval} for newlib-mb option" 1>&2; exit 1; } ;; |
esac |
else |
newlib_mb=no |
fi |
|
|
test -z "${with_target_subdir}" && with_target_subdir=. |
|
if test "${srcdir}" = "."; then |
if test "${with_target_subdir}" != "."; then |
newlib_basedir="${srcdir}/${with_multisrctop}../../../.." |
else |
newlib_basedir="${srcdir}/${with_multisrctop}../../.." |
fi |
else |
newlib_basedir="${srcdir}/../../.." |
fi |
|
|
|
# Make sure we can run config.sub. |
if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then : |
else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; } |
fi |
|
echo $ac_n "checking host system type""... $ac_c" 1>&6 |
echo "configure:854: checking host system type" >&5 |
|
host_alias=$host |
case "$host_alias" in |
NONE) |
case $nonopt in |
NONE) |
if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then : |
else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; } |
fi ;; |
*) host_alias=$nonopt ;; |
esac ;; |
esac |
|
host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias` |
host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` |
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` |
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` |
echo "$ac_t""$host" 1>&6 |
|
|
|
PACKAGE=newlib |
|
VERSION=1.10.0 |
|
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then |
{ echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; } |
fi |
cat >> confdefs.h <<EOF |
#define PACKAGE "$PACKAGE" |
EOF |
|
cat >> confdefs.h <<EOF |
#define VERSION "$VERSION" |
EOF |
|
|
|
missing_dir=`cd $ac_aux_dir && pwd` |
echo $ac_n "checking for working aclocal""... $ac_c" 1>&6 |
echo "configure:895: checking for working aclocal" >&5 |
# Run test in a subshell; some versions of sh will print an error if |
# an executable is not found, even if stderr is redirected. |
# Redirect stdin to placate older versions of autoconf. Sigh. |
if (aclocal --version) < /dev/null > /dev/null 2>&1; then |
ACLOCAL=aclocal |
echo "$ac_t""found" 1>&6 |
else |
ACLOCAL="$missing_dir/missing aclocal" |
echo "$ac_t""missing" 1>&6 |
fi |
|
echo $ac_n "checking for working autoconf""... $ac_c" 1>&6 |
echo "configure:908: checking for working autoconf" >&5 |
# Run test in a subshell; some versions of sh will print an error if |
# an executable is not found, even if stderr is redirected. |
# Redirect stdin to placate older versions of autoconf. Sigh. |
if (autoconf --version) < /dev/null > /dev/null 2>&1; then |
AUTOCONF=autoconf |
echo "$ac_t""found" 1>&6 |
else |
AUTOCONF="$missing_dir/missing autoconf" |
echo "$ac_t""missing" 1>&6 |
fi |
|
echo $ac_n "checking for working automake""... $ac_c" 1>&6 |
echo "configure:921: checking for working automake" >&5 |
# Run test in a subshell; some versions of sh will print an error if |
# an executable is not found, even if stderr is redirected. |
# Redirect stdin to placate older versions of autoconf. Sigh. |
if (automake --version) < /dev/null > /dev/null 2>&1; then |
AUTOMAKE=automake |
echo "$ac_t""found" 1>&6 |
else |
AUTOMAKE="$missing_dir/missing automake" |
echo "$ac_t""missing" 1>&6 |
fi |
|
echo $ac_n "checking for working autoheader""... $ac_c" 1>&6 |
echo "configure:934: checking for working autoheader" >&5 |
# Run test in a subshell; some versions of sh will print an error if |
# an executable is not found, even if stderr is redirected. |
# Redirect stdin to placate older versions of autoconf. Sigh. |
if (autoheader --version) < /dev/null > /dev/null 2>&1; then |
AUTOHEADER=autoheader |
echo "$ac_t""found" 1>&6 |
else |
AUTOHEADER="$missing_dir/missing autoheader" |
echo "$ac_t""missing" 1>&6 |
fi |
|
echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6 |
echo "configure:947: checking for working makeinfo" >&5 |
# Run test in a subshell; some versions of sh will print an error if |
# an executable is not found, even if stderr is redirected. |
# Redirect stdin to placate older versions of autoconf. Sigh. |
if (makeinfo --version) < /dev/null > /dev/null 2>&1; then |
MAKEINFO=makeinfo |
echo "$ac_t""found" 1>&6 |
else |
MAKEINFO="$missing_dir/missing makeinfo" |
echo "$ac_t""missing" 1>&6 |
fi |
|
|
|
# FIXME: We temporarily define our own version of AC_PROG_CC. This is |
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We |
# are probably using a cross compiler, which will not be able to fully |
# link an executable. This should really be fixed in autoconf |
# itself. |
|
|
|
# Extract the first word of "gcc", so it can be a program name with args. |
set dummy gcc; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:972: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$CC"; then |
ac_cv_prog_CC="$CC" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
ac_cv_prog_CC="gcc" |
break |
fi |
done |
IFS="$ac_save_ifs" |
fi |
fi |
CC="$ac_cv_prog_CC" |
if test -n "$CC"; then |
echo "$ac_t""$CC" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
if test -z "$CC"; then |
# Extract the first word of "cc", so it can be a program name with args. |
set dummy cc; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:1002: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$CC"; then |
ac_cv_prog_CC="$CC" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_prog_rejected=no |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then |
ac_prog_rejected=yes |
continue |
fi |
ac_cv_prog_CC="cc" |
break |
fi |
done |
IFS="$ac_save_ifs" |
if test $ac_prog_rejected = yes; then |
# We found a bogon in the path, so make sure we never use it. |
set dummy $ac_cv_prog_CC |
shift |
if test $# -gt 0; then |
# We chose a different compiler from the bogus one. |
# However, it has the same basename, so the bogon will be chosen |
# first if we set CC to just the basename; use the full file name. |
shift |
set dummy "$ac_dir/$ac_word" "$@" |
shift |
ac_cv_prog_CC="$@" |
fi |
fi |
fi |
fi |
CC="$ac_cv_prog_CC" |
if test -n "$CC"; then |
echo "$ac_t""$CC" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; } |
fi |
|
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6 |
echo "configure:1051: checking whether we are using GNU C" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
cat > conftest.c <<EOF |
#ifdef __GNUC__ |
yes; |
#endif |
EOF |
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1060: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then |
ac_cv_prog_gcc=yes |
else |
ac_cv_prog_gcc=no |
fi |
fi |
|
echo "$ac_t""$ac_cv_prog_gcc" 1>&6 |
|
if test $ac_cv_prog_gcc = yes; then |
GCC=yes |
ac_test_CFLAGS="${CFLAGS+set}" |
ac_save_CFLAGS="$CFLAGS" |
CFLAGS= |
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6 |
echo "configure:1075: checking whether ${CC-cc} accepts -g" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
echo 'void f(){}' > conftest.c |
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then |
ac_cv_prog_cc_g=yes |
else |
ac_cv_prog_cc_g=no |
fi |
rm -f conftest* |
|
fi |
|
echo "$ac_t""$ac_cv_prog_cc_g" 1>&6 |
if test "$ac_test_CFLAGS" = set; then |
CFLAGS="$ac_save_CFLAGS" |
elif test $ac_cv_prog_cc_g = yes; then |
CFLAGS="-g -O2" |
else |
CFLAGS="-O2" |
fi |
else |
GCC= |
test "${CFLAGS+set}" = set || CFLAGS="-g" |
fi |
|
|
# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't |
# run it explicitly here, it will be run implicitly before |
# NEWLIB_CONFIGURE, which doesn't work because that means that it will |
# be run before AC_CANONICAL_HOST. |
echo $ac_n "checking build system type""... $ac_c" 1>&6 |
echo "configure:1108: checking build system type" >&5 |
|
build_alias=$build |
case "$build_alias" in |
NONE) |
case $nonopt in |
NONE) build_alias=$host_alias ;; |
*) build_alias=$nonopt ;; |
esac ;; |
esac |
|
build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias` |
build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` |
build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` |
build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` |
echo "$ac_t""$build" 1>&6 |
|
|
# Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args. |
set dummy ${ac_tool_prefix}as; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:1129: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$AS"; then |
ac_cv_prog_AS="$AS" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
ac_cv_prog_AS="${ac_tool_prefix}as" |
break |
fi |
done |
IFS="$ac_save_ifs" |
test -z "$ac_cv_prog_AS" && ac_cv_prog_AS="as" |
fi |
fi |
AS="$ac_cv_prog_AS" |
if test -n "$AS"; then |
echo "$ac_t""$AS" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
|
|
# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. |
set dummy ${ac_tool_prefix}ar; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:1161: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$AR"; then |
ac_cv_prog_AR="$AR" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
ac_cv_prog_AR="${ac_tool_prefix}ar" |
break |
fi |
done |
IFS="$ac_save_ifs" |
test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar" |
fi |
fi |
AR="$ac_cv_prog_AR" |
if test -n "$AR"; then |
echo "$ac_t""$AR" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
|
|
# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. |
set dummy ${ac_tool_prefix}ranlib; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:1193: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$RANLIB"; then |
ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" |
break |
fi |
done |
IFS="$ac_save_ifs" |
fi |
fi |
RANLIB="$ac_cv_prog_RANLIB" |
if test -n "$RANLIB"; then |
echo "$ac_t""$RANLIB" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
|
if test -z "$ac_cv_prog_RANLIB"; then |
if test -n "$ac_tool_prefix"; then |
# Extract the first word of "ranlib", so it can be a program name with args. |
set dummy ranlib; ac_word=$2 |
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 |
echo "configure:1225: checking for $ac_word" >&5 |
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test -n "$RANLIB"; then |
ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. |
else |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" |
ac_dummy="$PATH" |
for ac_dir in $ac_dummy; do |
test -z "$ac_dir" && ac_dir=. |
if test -f $ac_dir/$ac_word; then |
ac_cv_prog_RANLIB="ranlib" |
break |
fi |
done |
IFS="$ac_save_ifs" |
test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":" |
fi |
fi |
RANLIB="$ac_cv_prog_RANLIB" |
if test -n "$RANLIB"; then |
echo "$ac_t""$RANLIB" 1>&6 |
else |
echo "$ac_t""no" 1>&6 |
fi |
|
else |
RANLIB=":" |
fi |
fi |
|
|
# Find a good install program. We prefer a C program (faster), |
# so one script is as good as another. But avoid the broken or |
# incompatible versions: |
# SysV /etc/install, /usr/sbin/install |
# SunOS /usr/etc/install |
# IRIX /sbin/install |
# AIX /bin/install |
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag |
# AFS /usr/afsws/bin/install, which mishandles nonexistent args |
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" |
# ./install, which can be erroneously created by make from ./install.sh. |
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 |
echo "configure:1270: checking for a BSD compatible install" >&5 |
if test -z "$INSTALL"; then |
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":" |
for ac_dir in $PATH; do |
# Account for people who put trailing slashes in PATH elements. |
case "$ac_dir/" in |
/|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; |
*) |
# OSF1 and SCO ODT 3.0 have their own names for install. |
# Don't use installbsd from OSF since it installs stuff as root |
# by default. |
for ac_prog in ginstall scoinst install; do |
if test -f $ac_dir/$ac_prog; then |
if test $ac_prog = install && |
grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then |
# AIX install. It has an incompatible calling convention. |
: |
else |
ac_cv_path_install="$ac_dir/$ac_prog -c" |
break 2 |
fi |
fi |
done |
;; |
esac |
done |
IFS="$ac_save_IFS" |
|
fi |
if test "${ac_cv_path_install+set}" = set; then |
INSTALL="$ac_cv_path_install" |
else |
# As a last resort, use the slow shell script. We don't cache a |
# path for INSTALL within a source directory, because that will |
# break other packages using the cache if that directory is |
# removed, or if the path is relative. |
INSTALL="$ac_install_sh" |
fi |
fi |
echo "$ac_t""$INSTALL" 1>&6 |
|
# Use test -z because SunOS4 sh mishandles braces in ${var-val}. |
# It thinks the first close brace ends the variable substitution. |
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' |
|
test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}' |
|
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' |
|
|
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6 |
echo "configure:1324: checking whether to enable maintainer-specific portions of Makefiles" >&5 |
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. |
if test "${enable_maintainer_mode+set}" = set; then |
enableval="$enable_maintainer_mode" |
USE_MAINTAINER_MODE=$enableval |
else |
USE_MAINTAINER_MODE=no |
fi |
|
echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6 |
|
|
if test $USE_MAINTAINER_MODE = yes; then |
MAINTAINER_MODE_TRUE= |
MAINTAINER_MODE_FALSE='#' |
else |
MAINTAINER_MODE_TRUE='#' |
MAINTAINER_MODE_FALSE= |
fi |
MAINT=$MAINTAINER_MODE_TRUE |
|
|
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However, |
# at least currently, we never actually build a program, so we never |
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally |
# fails, because we are probably configuring with a cross compiler |
# which can't create executables. So we include AC_EXEEXT to keep |
# automake happy, but we don't execute it, since we don't care about |
# the result. |
if false; then |
|
|
echo $ac_n "checking for executable suffix""... $ac_c" 1>&6 |
echo "configure:1358: checking for executable suffix" >&5 |
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then |
echo $ac_n "(cached) $ac_c" 1>&6 |
else |
if test "$CYGWIN" = yes || test "$MINGW32" = yes; then |
ac_cv_exeext=.exe |
else |
rm -f conftest* |
echo 'int main () { return 0; }' > conftest.$ac_ext |
ac_cv_exeext= |
if { (eval echo configure:1368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then |
for file in conftest.*; do |
case $file in |
*.c | *.o | *.obj | *.ilk | *.pdb) ;; |
*) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;; |
esac |
done |
else |
{ echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; } |
fi |
rm -f conftest* |
test x"${ac_cv_exeext}" = x && ac_cv_exeext=no |
fi |
fi |
|
EXEEXT="" |
test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext} |
echo "$ac_t""${ac_cv_exeext}" 1>&6 |
ac_exeext=$EXEEXT |
|
fi |
|
. ${newlib_basedir}/configure.host |
|
case ${newlib_basedir} in |
/* | A-Za-z:/\\*) newlib_flagbasedir=${newlib_basedir} ;; |
*) newlib_flagbasedir='$(top_builddir)/'${newlib_basedir} ;; |
esac |
|
newlib_cflags="${newlib_cflags} -I"'$(top_builddir)'"/../../../targ-include -I${newlib_flagbasedir}/libc/include" |
case "${host}" in |
*-*-cygwin*) |
newlib_cflags="${newlib_cflags} -I${newlib_flagbasedir}/../winsup/cygwin/include -I${newlib_flagbasedir}/../winsup/w32api/include" |
;; |
esac |
|
newlib_cflags="${newlib_cflags} -fno-builtin" |
|
NEWLIB_CFLAGS=${newlib_cflags} |
|
|
LDFLAGS=${ldflags} |
|
|
|
|
if test x${use_libtool} = xyes; then |
USE_LIBTOOL_TRUE= |
USE_LIBTOOL_FALSE='#' |
else |
USE_LIBTOOL_TRUE='#' |
USE_LIBTOOL_FALSE= |
fi |
|
|
|
|
|
|
|
|
trap '' 1 2 15 |
cat > confcache <<\EOF |
# This file is a shell script that caches the results of configure |
# tests run on this system so they can be shared between configure |
# scripts and configure runs. It is not useful on other systems. |
# If it contains results you don't want to keep, you may remove or edit it. |
# |
# By default, configure uses ./config.cache as the cache file, |
# creating it if it does not exist already. You can give configure |
# the --cache-file=FILE option to use a different cache file; that is |
# what configure does when it calls configure scripts in |
# subdirectories, so they share the cache. |
# Giving --cache-file=/dev/null disables caching, for debugging configure. |
# config.status only pays attention to the cache file if you give it the |
# --recheck option to rerun configure. |
# |
EOF |
# The following way of writing the cache mishandles newlines in values, |
# but we know of no workaround that is simple, portable, and efficient. |
# So, don't put newlines in cache variables' values. |
# Ultrix sh set writes to stderr and can't be redirected directly, |
# and sets the high bit in the cache file unless we assign to the vars. |
(set) 2>&1 | |
case `(ac_space=' '; set | grep ac_space) 2>&1` in |
*ac_space=\ *) |
# `set' does not quote correctly, so add quotes (double-quote substitution |
# turns \\\\ into \\, and sed turns \\ into \). |
sed -n \ |
-e "s/'/'\\\\''/g" \ |
-e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p" |
;; |
*) |
# `set' quotes correctly as required by POSIX, so do not add quotes. |
sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p' |
;; |
esac >> confcache |
if cmp -s $cache_file confcache; then |
: |
else |
if test -w $cache_file; then |
echo "updating cache $cache_file" |
cat confcache > $cache_file |
else |
echo "not updating unwritable cache $cache_file" |
fi |
fi |
rm -f confcache |
|
trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15 |
|
test "x$prefix" = xNONE && prefix=$ac_default_prefix |
# Let make expand exec_prefix. |
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' |
|
# Any assignment to VPATH causes Sun make to only execute |
# the first set of double-colon rules, so remove it if not needed. |
# If there is a colon in the path, we need to keep it. |
if test "x$srcdir" = x.; then |
ac_vpsub='/^[ ]*VPATH[ ]*=[^:]*$/d' |
fi |
|
trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15 |
|
# Transform confdefs.h into DEFS. |
# Protect against shell expansion while executing Makefile rules. |
# Protect against Makefile macro expansion. |
cat > conftest.defs <<\EOF |
s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g |
s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g |
s%\[%\\&%g |
s%\]%\\&%g |
s%\$%$$%g |
EOF |
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '` |
rm -f conftest.defs |
|
|
# Without the "./", some shells look in PATH for config.status. |
: ${CONFIG_STATUS=./config.status} |
|
echo creating $CONFIG_STATUS |
rm -f $CONFIG_STATUS |
cat > $CONFIG_STATUS <<EOF |
#! /bin/sh |
# Generated automatically by configure. |
# Run this file to recreate the current configuration. |
# This directory was configured as follows, |
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`: |
# |
# $0 $ac_configure_args |
# |
# Compiler output produced by configure, useful for debugging |
# configure, is in ./config.log if it exists. |
|
ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]" |
for ac_option |
do |
case "\$ac_option" in |
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) |
echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion" |
exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;; |
-version | --version | --versio | --versi | --vers | --ver | --ve | --v) |
echo "$CONFIG_STATUS generated by autoconf version 2.13" |
exit 0 ;; |
-help | --help | --hel | --he | --h) |
echo "\$ac_cs_usage"; exit 0 ;; |
*) echo "\$ac_cs_usage"; exit 1 ;; |
esac |
done |
|
ac_given_srcdir=$srcdir |
ac_given_INSTALL="$INSTALL" |
|
trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15 |
EOF |
cat >> $CONFIG_STATUS <<EOF |
|
# Protect against being on the right side of a sed subst in config.status. |
sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g; |
s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF |
$ac_vpsub |
$extrasub |
s%@SHELL@%$SHELL%g |
s%@CFLAGS@%$CFLAGS%g |
s%@CPPFLAGS@%$CPPFLAGS%g |
s%@CXXFLAGS@%$CXXFLAGS%g |
s%@FFLAGS@%$FFLAGS%g |
s%@DEFS@%$DEFS%g |
s%@LDFLAGS@%$LDFLAGS%g |
s%@LIBS@%$LIBS%g |
s%@exec_prefix@%$exec_prefix%g |
s%@prefix@%$prefix%g |
s%@program_transform_name@%$program_transform_name%g |
s%@bindir@%$bindir%g |
s%@sbindir@%$sbindir%g |
s%@libexecdir@%$libexecdir%g |
s%@datadir@%$datadir%g |
s%@sysconfdir@%$sysconfdir%g |
s%@sharedstatedir@%$sharedstatedir%g |
s%@localstatedir@%$localstatedir%g |
s%@libdir@%$libdir%g |
s%@includedir@%$includedir%g |
s%@oldincludedir@%$oldincludedir%g |
s%@infodir@%$infodir%g |
s%@mandir@%$mandir%g |
s%@newlib_basedir@%$newlib_basedir%g |
s%@host@%$host%g |
s%@host_alias@%$host_alias%g |
s%@host_cpu@%$host_cpu%g |
s%@host_vendor@%$host_vendor%g |
s%@host_os@%$host_os%g |
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g |
s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g |
s%@INSTALL_DATA@%$INSTALL_DATA%g |
s%@PACKAGE@%$PACKAGE%g |
s%@VERSION@%$VERSION%g |
s%@ACLOCAL@%$ACLOCAL%g |
s%@AUTOCONF@%$AUTOCONF%g |
s%@AUTOMAKE@%$AUTOMAKE%g |
s%@AUTOHEADER@%$AUTOHEADER%g |
s%@MAKEINFO@%$MAKEINFO%g |
s%@SET_MAKE@%$SET_MAKE%g |
s%@CC@%$CC%g |
s%@build@%$build%g |
s%@build_alias@%$build_alias%g |
s%@build_cpu@%$build_cpu%g |
s%@build_vendor@%$build_vendor%g |
s%@build_os@%$build_os%g |
s%@AS@%$AS%g |
s%@AR@%$AR%g |
s%@RANLIB@%$RANLIB%g |
s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g |
s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g |
s%@MAINT@%$MAINT%g |
s%@EXEEXT@%$EXEEXT%g |
s%@NEWLIB_CFLAGS@%$NEWLIB_CFLAGS%g |
s%@USE_LIBTOOL_TRUE@%$USE_LIBTOOL_TRUE%g |
s%@USE_LIBTOOL_FALSE@%$USE_LIBTOOL_FALSE%g |
s%@oext@%$oext%g |
s%@aext@%$aext%g |
s%@libm_machine_dir@%$libm_machine_dir%g |
s%@machine_dir@%$machine_dir%g |
s%@sys_dir@%$sys_dir%g |
|
CEOF |
EOF |
|
cat >> $CONFIG_STATUS <<\EOF |
|
# Split the substitutions into bite-sized pieces for seds with |
# small command number limits, like on Digital OSF/1 and HP-UX. |
ac_max_sed_cmds=60 # Maximum number of lines to put in a sed script. |
ac_file=1 # Number of current file. |
ac_beg=1 # First line for current file. |
ac_end=$ac_max_sed_cmds # Line after last line for current file. |
ac_more_lines=: |
ac_sed_cmds="" |
while $ac_more_lines; do |
if test $ac_beg -gt 1; then |
sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file |
else |
sed "${ac_end}q" conftest.subs > conftest.s$ac_file |
fi |
if test ! -s conftest.s$ac_file; then |
ac_more_lines=false |
rm -f conftest.s$ac_file |
else |
if test -z "$ac_sed_cmds"; then |
ac_sed_cmds="sed -f conftest.s$ac_file" |
else |
ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file" |
fi |
ac_file=`expr $ac_file + 1` |
ac_beg=$ac_end |
ac_end=`expr $ac_end + $ac_max_sed_cmds` |
fi |
done |
if test -z "$ac_sed_cmds"; then |
ac_sed_cmds=cat |
fi |
EOF |
|
cat >> $CONFIG_STATUS <<EOF |
|
CONFIG_FILES=\${CONFIG_FILES-"Makefile"} |
EOF |
cat >> $CONFIG_STATUS <<\EOF |
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then |
# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in". |
case "$ac_file" in |
*:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'` |
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; |
*) ac_file_in="${ac_file}.in" ;; |
esac |
|
# Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories. |
|
# Remove last slash and all that follows it. Not all systems have dirname. |
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'` |
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then |
# The file is in a subdirectory. |
test ! -d "$ac_dir" && mkdir "$ac_dir" |
ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`" |
# A "../" for each directory in $ac_dir_suffix. |
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'` |
else |
ac_dir_suffix= ac_dots= |
fi |
|
case "$ac_given_srcdir" in |
.) srcdir=. |
if test -z "$ac_dots"; then top_srcdir=. |
else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;; |
/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;; |
*) # Relative path. |
srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix" |
top_srcdir="$ac_dots$ac_given_srcdir" ;; |
esac |
|
case "$ac_given_INSTALL" in |
[/$]*) INSTALL="$ac_given_INSTALL" ;; |
*) INSTALL="$ac_dots$ac_given_INSTALL" ;; |
esac |
|
echo creating "$ac_file" |
rm -f "$ac_file" |
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure." |
case "$ac_file" in |
*Makefile*) ac_comsub="1i\\ |
# $configure_input" ;; |
*) ac_comsub= ;; |
esac |
|
ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"` |
sed -e "$ac_comsub |
s%@configure_input@%$configure_input%g |
s%@srcdir@%$srcdir%g |
s%@top_srcdir@%$top_srcdir%g |
s%@INSTALL@%$INSTALL%g |
" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file |
fi; done |
rm -f conftest.s* |
|
EOF |
cat >> $CONFIG_STATUS <<EOF |
|
EOF |
cat >> $CONFIG_STATUS <<\EOF |
|
exit 0 |
EOF |
chmod +x $CONFIG_STATUS |
rm -fr confdefs* $ac_clean_files |
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 |
|
configure
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: Makefile.in
===================================================================
--- Makefile.in (nonexistent)
+++ Makefile.in (revision 1765)
@@ -0,0 +1,325 @@
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DESTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = .
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+AR = @AR@
+AS = @AS@
+CC = @CC@
+CPP = @CPP@
+EXEEXT = @EXEEXT@
+LDFLAGS = @LDFLAGS@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+VERSION = @VERSION@
+aext = @aext@
+libm_machine_dir = @libm_machine_dir@
+machine_dir = @machine_dir@
+newlib_basedir = @newlib_basedir@
+oext = @oext@
+sys_dir = @sys_dir@
+
+AUTOMAKE_OPTIONS = cygnus
+
+INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
+
+noinst_LIBRARIES = lib.a
+
+lib_a_SOURCES = \
+ memchr.c memcmp.c memcpy.c memmove.c memset.c \
+ strchr.c strcmp.c strcpy.c strlen.c
+
+
+ACLOCAL_AMFLAGS = -I ../../..
+CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+mkinstalldirs = $(SHELL) $(top_srcdir)/../../../../mkinstalldirs
+CONFIG_CLEAN_FILES =
+LIBRARIES = $(noinst_LIBRARIES)
+
+
+DEFS = @DEFS@ -I. -I$(srcdir)
+CPPFLAGS = @CPPFLAGS@
+LIBS = @LIBS@
+lib_a_LIBADD =
+lib_a_OBJECTS = memchr.o memcmp.o memcpy.o memmove.o memset.o strchr.o \
+strcmp.o strcpy.o strlen.o
+CFLAGS = @CFLAGS@
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
+DIST_COMMON = Makefile.am Makefile.in aclocal.m4 configure configure.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = gtar
+GZIP_ENV = --best
+SOURCES = $(lib_a_SOURCES)
+OBJECTS = $(lib_a_OBJECTS)
+
+all: all-redirect
+.SUFFIXES:
+.SUFFIXES: .S .c .o .s
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
+ cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ cd $(top_builddir) \
+ && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ configure.in \
+ ../../../acinclude.m4 ../../../aclocal.m4
+ cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+
+config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ $(SHELL) ./config.status --recheck
+$(srcdir)/configure: @MAINTAINER_MODE_TRUE@$(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
+ cd $(srcdir) && $(AUTOCONF)
+
+mostlyclean-noinstLIBRARIES:
+
+clean-noinstLIBRARIES:
+ -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
+
+distclean-noinstLIBRARIES:
+
+maintainer-clean-noinstLIBRARIES:
+
+.c.o:
+ $(COMPILE) -c $<
+
+.s.o:
+ $(COMPILE) -c $<
+
+.S.o:
+ $(COMPILE) -c $<
+
+mostlyclean-compile:
+ -rm -f *.o core *.core
+
+clean-compile:
+
+distclean-compile:
+ -rm -f *.tab.c
+
+maintainer-clean-compile:
+
+lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES)
+ -rm -f lib.a
+ $(AR) cru lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
+ $(RANLIB) lib.a
+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS)'; \
+ unique=`for i in $$list; do echo $$i; done | \
+ awk ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ here=`pwd` && cd $(srcdir) \
+ && mkid -f$$here/ID $$unique $(LISP)
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS)'; \
+ unique=`for i in $$list; do echo $$i; done | \
+ awk ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
+ || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags $$unique $(LISP) -o $$here/TAGS)
+
+mostlyclean-tags:
+
+clean-tags:
+
+distclean-tags:
+ -rm -f TAGS ID
+
+maintainer-clean-tags:
+
+distdir = $(PACKAGE)-$(VERSION)
+top_distdir = $(distdir)
+
+# This target untars the dist file and tries a VPATH configuration. Then
+# it guarantees that the distribution is self-contained by making another
+# tarfile.
+distcheck: dist
+ -rm -rf $(distdir)
+ GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
+ mkdir $(distdir)/=build
+ mkdir $(distdir)/=inst
+ dc_install_base=`cd $(distdir)/=inst && pwd`; \
+ cd $(distdir)/=build \
+ && ../configure --srcdir=.. --prefix=$$dc_install_base \
+ && $(MAKE) $(AM_MAKEFLAGS) \
+ && $(MAKE) $(AM_MAKEFLAGS) dvi \
+ && $(MAKE) $(AM_MAKEFLAGS) check \
+ && $(MAKE) $(AM_MAKEFLAGS) install \
+ && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+ && $(MAKE) $(AM_MAKEFLAGS) dist
+ -rm -rf $(distdir)
+ @banner="$(distdir).tar.gz is ready for distribution"; \
+ dashes=`echo "$$banner" | sed s/./=/g`; \
+ echo "$$dashes"; \
+ echo "$$banner"; \
+ echo "$$dashes"
+dist: distdir
+ -chmod -R a+r $(distdir)
+ GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
+ -rm -rf $(distdir)
+dist-all: distdir
+ -chmod -R a+r $(distdir)
+ GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
+ -rm -rf $(distdir)
+distdir: $(DISTFILES)
+ -rm -rf $(distdir)
+ mkdir $(distdir)
+ -chmod 777 $(distdir)
+ @for file in $(DISTFILES); do \
+ if test -f $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ cp -pr $$d/$$file $(distdir)/$$file; \
+ else \
+ test -f $(distdir)/$$file \
+ || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+ || cp -p $$d/$$file $(distdir)/$$file || :; \
+ fi; \
+ done
+info-am:
+info: info-am
+dvi-am:
+dvi: dvi-am
+check-am:
+check: check-am
+installcheck-am:
+installcheck: installcheck-am
+install-info-am:
+install-info: install-info-am
+install-exec-am:
+install-exec: install-exec-am
+
+install-data-am:
+install-data: install-data-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+install: install-am
+uninstall-am:
+uninstall: uninstall-am
+all-am: Makefile $(LIBRARIES)
+all-redirect: all-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+
+
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -rm -f Makefile $(CONFIG_CLEAN_FILES)
+ -rm -f config.cache config.log stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+mostlyclean-am: mostlyclean-noinstLIBRARIES mostlyclean-compile \
+ mostlyclean-tags mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am: clean-noinstLIBRARIES clean-compile clean-tags clean-generic \
+ mostlyclean-am
+
+clean: clean-am
+
+distclean-am: distclean-noinstLIBRARIES distclean-compile \
+ distclean-tags distclean-generic clean-am
+
+distclean: distclean-am
+ -rm -f config.status
+
+maintainer-clean-am: maintainer-clean-noinstLIBRARIES \
+ maintainer-clean-compile maintainer-clean-tags \
+ maintainer-clean-generic distclean-am
+ @echo "This command is intended for maintainers to use;"
+ @echo "it deletes files that may require special tools to rebuild."
+
+maintainer-clean: maintainer-clean-am
+ -rm -f config.status
+
+.PHONY: mostlyclean-noinstLIBRARIES distclean-noinstLIBRARIES \
+clean-noinstLIBRARIES maintainer-clean-noinstLIBRARIES \
+mostlyclean-compile distclean-compile clean-compile \
+maintainer-clean-compile tags mostlyclean-tags distclean-tags \
+clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
+check-am installcheck-am installcheck install-info-am install-info \
+install-exec-am install-exec install-data-am install-data install-am \
+install uninstall-am uninstall all-redirect all-am all installdirs \
+mostlyclean-generic distclean-generic clean-generic \
+maintainer-clean-generic clean mostlyclean distclean maintainer-clean
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
Index: strcpy.c
===================================================================
--- strcpy.c (nonexistent)
+++ strcpy.c (revision 1765)
@@ -0,0 +1,62 @@
+#if defined __thumb__
+
+#include "../../string/strcpy.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+char *
+strcpy (char *dest, const char *src)
+{
+ char *dest0 = dest;
+
+ asm (PRELOADSTR ("%0") : : "r" (src));
+
+#ifndef __OPTIMIZE_SIZE__
+ if (((long)src & 3) == ((long)dest & 3))
+ {
+ /* Skip unaligned part. */
+ while ((long)src & 3)
+ {
+ if (! (*dest++ = *src++))
+ return dest0;
+ }
+
+ /* Load two constants:
+ R4 = 0xfefefeff [ == ~(0x80808080 << 1) ]
+ R5 = 0x80808080 */
+
+ asm ("mov r5, #0x80
+ ldr r1, [%1, #0]
+ add r5, r5, #0x8000
+ add r5, r5, r5, lsl #16
+ mvn r4, r5, lsl #1
+
+ add r3, r1, r5
+ bic r3, r3, r1
+ ands r2, r3, r4
+ bne 1f
+0:
+ ldr r3, [%1, #0]
+ ldr r1, [%1, #4]!
+" PRELOADSTR("%1") "
+ str r3, [%0], #4
+ add r2, r1, r4
+ bic r2, r2, r1
+ ands r3, r2, r5
+ beq 0b
+1:"
+ : "=&r" (dest), "=&r" (src)
+ : "0" (dest), "1" (src)
+ : "r1", "r2", "r3", "r4", "r5", "memory", "cc");
+ }
+#endif
+
+ while (*dest++ = *src++)
+ asm (PRELOADSTR ("%0") : : "r" (src));
+ return dest0;
+}
+
+#endif
Index: xscale.h
===================================================================
--- xscale.h (nonexistent)
+++ xscale.h (revision 1765)
@@ -0,0 +1,31 @@
+#ifndef __XSCALE_MACH_H__
+#define __XSCALE_MACH_H__
+
+/* These are predefined by new versions of GNU cpp. */
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__ _
+#endif
+
+#ifndef __REGISTER_PREFIX__
+#define __REGISTER_PREFIX__
+#endif
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a##b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1(__USER_LABEL_PREFIX__, x)
+
+#ifdef __XSCALE__
+#define PRELOAD(X) pld [X]
+#define PRELOADSTR(X) " pld [" X "]"
+#else
+#define PRELOAD(X)
+#define PRELOADSTR(X) ""
+#endif /* __XSCALE__ */
+
+#endif /* !__XSCALE_MACH_H__ */
Index: configure.in
===================================================================
--- configure.in (nonexistent)
+++ configure.in (revision 1765)
@@ -0,0 +1,12 @@
+dnl This is the newlib/libc/machine/strongarm2 configure.in file.
+dnl Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.5)
+AC_INIT(Makefile.am)
+
+dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
+AC_CONFIG_AUX_DIR(../../../..)
+
+NEWLIB_CONFIGURE(../../..)
+
+AC_OUTPUT(Makefile)
Index: memmove.c
===================================================================
--- memmove.c (nonexistent)
+++ memmove.c (revision 1765)
@@ -0,0 +1,122 @@
+#if defined __thumb__
+
+#include "../../string/memmove.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+static inline void *
+do_memcpy (void *dst0, const void *src0, size_t len)
+{
+ int dummy;
+ asm volatile (
+#ifndef __OPTIMIZE_SIZE__
+ "cmp %2, #0x3
+ bls 3f
+ and lr, %1, #0x3
+ and r3, %0, #0x3
+ cmp lr, r3
+ bne 3f
+ cmp lr, #0x0
+ beq 2f
+ b 1f
+0:
+ ldrb r3, [%1], #1
+"
+ PRELOADSTR ("%1")
+"
+ tst %1, #0x3
+ strb r3, [%0], #1
+ beq 3f
+1:
+ sub %2, %2, #1
+ cmn %2, #1
+ bne 0b
+2:
+ cmp %2, #0xf
+ bls 1f
+0:
+ ldmia %1!, { r3, r4, r5, lr }
+"
+ PRELOADSTR ("%1")
+"
+
+ sub %2, %2, #16
+ cmp %2, #0xf
+ stmia %0!, { r3, r4, r5, lr }
+ bhi 0b
+1:
+ cmp %2, #0x7
+ bls 1f
+0:
+ ldmia %1!, { r3, r4 }
+"
+ PRELOADSTR ("%1")
+"
+
+ sub %2, %2, #8
+ cmp %2, #0x7
+ stmia %0!, { r3, r4 }
+ bhi 0b
+1:
+ cmp %2, #0x3
+ bls 3f
+0:
+ sub %2, %2, #4
+ ldr r3, [%1], #4
+"
+ PRELOADSTR ("%1")
+"
+
+ cmp %2, #0x3
+ str r3, [%0], #4
+ bhi 0b
+"
+#endif /* !__OPTIMIZE_SIZE__ */
+"
+3:
+"
+ PRELOADSTR ("%1")
+"
+ sub %2, %2, #1
+ cmn %2, #1
+ beq 1f
+0:
+ sub %2, %2, #1
+ ldrb r3, [%1], #1
+"
+ PRELOADSTR ("%1")
+"
+ cmn %2, #1
+ strb r3, [%0], #1
+ bne 0b
+1:"
+ : "=&r" (dummy), "=&r" (src0), "=&r" (len)
+ : "0" (dst0), "1" (src0), "2" (len)
+ : "memory", "lr", "r3", "r4", "r5", "cc");
+ return dst0;
+}
+
+void *
+memmove (void *dst, const void *src, size_t len)
+{
+ char *d = dst;
+ const char *s = src;
+
+ if (s < d && d < s + len)
+ {
+ /* Destructive overlap...have to copy backwards. */
+ s += len;
+ d += len;
+
+ while (len--)
+ *--d = *--s;
+
+ return dst;
+ }
+ else
+ return do_memcpy (dst, src, len);
+}
+#endif
Index: strchr.c
===================================================================
--- strchr.c (nonexistent)
+++ strchr.c (revision 1765)
@@ -0,0 +1,73 @@
+#if defined __thumb__
+
+#include "../../string/strchr.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+char *
+strchr (const char *s, int c)
+{
+ unsigned int c2;
+ asm (PRELOADSTR ("%0") : : "r" (s));
+
+ c &= 0xff;
+
+#ifndef __OPTIMIZE_SIZE__
+ /* Skip unaligned part. */
+ if ((long)s & 3)
+ {
+ s--;
+ do
+ {
+ int c2 = *++s;
+ if (c2 == c)
+ return (char *)s;
+ if (c2 == '\0')
+ return 0;
+ }
+ while (((long)s & 3) != 0);
+ }
+
+ c2 = c + (c << 8);
+ c2 += c2 << 16;
+
+ /* Load two constants:
+ R6 = 0xfefefeff [ == ~(0x80808080 << 1) ]
+ R5 = 0x80808080 */
+
+ asm (PRELOADSTR ("%0") "
+ mov r5, #0x80
+ add r5, r5, #0x8000
+ add r5, r5, r5, lsl #16
+ mvn r6, r5, lsl #1
+
+ sub %0, %0, #4
+0:
+ ldr r1, [%0, #4]!
+" PRELOADSTR ("%0") "
+ add r3, r1, r6
+ bic r3, r3, r1
+ ands r2, r3, r5
+ bne 1f
+ eor r2, r1, %1
+ add r3, r2, r6
+ bic r3, r3, r2
+ ands r1, r3, r5
+ beq 0b
+1:"
+ : "=&r" (s)
+ : "r" (c2), "0" (s)
+ : "r2", "r3", "r5", "r6", "cc");
+#endif
+
+ while (*s && *s != c)
+ s++;
+ if (*s == c)
+ return (char *)s;
+ return NULL;
+}
+
+#endif
Index: strlen.c
===================================================================
--- strlen.c (nonexistent)
+++ strlen.c (revision 1765)
@@ -0,0 +1,100 @@
+#if defined __thumb__ || defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__)
+
+#include "../../string/strlen.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+size_t
+strlen (const char *str)
+{
+ _CONST char *start = str;
+
+ /* Skip unaligned part. */
+ if ((long)str & 3)
+ {
+ str--;
+ do
+ {
+ if (*++str == '\0')
+ goto out;
+ }
+ while ((long)str & 3);
+ }
+
+ /* Load two constants:
+ R4 = 0xfefefeff [ == ~(0x80808080 << 1) ]
+ R5 = 0x80808080 */
+
+ asm ("mov r5, #0x80
+ add r5, r5, #0x8000
+ add r5, r5, r5, lsl #16
+ mvn r4, r5, lsl #1
+"
+
+#if defined __ARM_ARCH_5__ || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5E__ || defined __ARM_ARCH_5TE__
+
+" tst %0, #0x7
+ ldreqd r6, [%0]
+ beq 1f
+ ldr r2, [%0]
+ add r3, r2, r4
+ bic r3, r3, r2
+ ands r2, r3, r5
+ bne 2f
+ sub %0, %0, #4
+
+0:
+ ldrd r6, [%0, #8]!
+"
+ PRELOADSTR ("%0")
+"
+1:
+ add r3, r6, r4
+ add r2, r7, r4
+ bic r3, r3, r6
+ bic r2, r2, r7
+ and r3, r3, r5
+ and r2, r2, r5
+ orrs r3, r2, r3
+ beq 0b
+"
+#else
+
+" sub %0, %0, #4
+
+0:
+ ldr r6, [%0, #4]!
+"
+ PRELOADSTR ("%0")
+"
+ add r3, r6, r4
+ bic r3, r3, r6
+ ands r3, r3, r5
+ beq 0b
+"
+#endif /* __ARM_ARCH_5[T][E]__ */
+"
+2:
+ ldrb r3, [%0]
+ cmp r3, #0x0
+ beq 1f
+
+0:
+ ldrb r3, [%0, #1]!
+"
+ PRELOADSTR ("%0")
+"
+ cmp r3, #0x0
+ bne 0b
+1:
+"
+ : "=r" (str) : "0" (str) : "r2", "r3", "r4", "r5", "r6", "r7");
+
+ out:
+ return str - start;
+}
+
+#endif
Index: Makefile.am
===================================================================
--- Makefile.am (nonexistent)
+++ Makefile.am (revision 1765)
@@ -0,0 +1,14 @@
+## Process this file with automake to generate Makefile.in
+
+AUTOMAKE_OPTIONS = cygnus
+
+INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
+
+noinst_LIBRARIES = lib.a
+
+lib_a_SOURCES = \
+ memchr.c memcmp.c memcpy.c memmove.c memset.c \
+ strchr.c strcmp.c strcpy.c strlen.c
+
+ACLOCAL_AMFLAGS = -I ../../..
+CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
Index: strcmp.c
===================================================================
--- strcmp.c (nonexistent)
+++ strcmp.c (revision 1765)
@@ -0,0 +1,107 @@
+#if defined __thumb__
+
+#include "../../string/strcmp.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+int
+strcmp (const char *s1, const char *s2)
+{
+ asm (PRELOADSTR ("%0") : : "r" (s1));
+ asm (PRELOADSTR ("%0") : : "r" (s2));
+
+#ifndef __OPTIMIZE_SIZE__
+ if (((long)s1 & 3) == ((long)s2 & 3))
+ {
+ int result;
+
+ /* Skip unaligned part. */
+ while ((long)s1 & 3)
+ {
+ if (*s1 == '\0' || *s1 != *s2)
+ goto out;
+ s1++;
+ s2++;
+ }
+
+ /* Load two constants:
+ lr = 0xfefefeff [ == ~(0x80808080 << 1) ]
+ ip = 0x80808080 */
+
+ asm (
+ "ldr r2, [%1, #0]
+ ldr r3, [%2, #0]
+ cmp r2, r3
+ bne 2f
+
+ mov ip, #0x80
+ add ip, ip, #0x8000
+ add ip, ip, ip, lsl #16
+ mvn lr, ip, lsl #1
+
+0:
+ ldr r2, [%1, #0]
+ add r3, r2, lr
+ bic r3, r3, r2
+ tst r3, ip
+ beq 1f
+ mov %0, #0x0
+ b 3f
+1:
+ ldr r2, [%1, #4]!
+ ldr r3, [%2, #4]!
+" PRELOADSTR("%1") "
+" PRELOADSTR("%2") "
+ cmp r2, r3
+ beq 0b"
+
+ /* The following part could be done in a C loop as well, but it needs
+ to be assembler to save some cycles in the case where the optimized
+ loop above finds the strings to be equal. */
+"
+2:
+ ldrb r2, [%1, #0]
+" PRELOADSTR("%1") "
+" PRELOADSTR("%2") "
+ cmp r2, #0x0
+ beq 1f
+ ldrb r3, [%2, #0]
+ cmp r2, r3
+ bne 1f
+0:
+ ldrb r3, [%1, #1]!
+ add %2, %2, #1
+ ands ip, r3, #0xff
+ beq 1f
+ ldrb r3, [%2]
+ cmp ip, r3
+ beq 0b
+1:
+ ldrb lr, [%1, #0]
+ ldrb ip, [%2, #0]
+ rsb %0, ip, lr
+3:
+"
+
+ : "=r" (result), "=&r" (s1), "=&r" (s2)
+ : "1" (s1), "2" (s2)
+ : "lr", "ip", "r2", "r3", "cc");
+ return result;
+ }
+#endif
+
+ while (*s1 != '\0' && *s1 == *s2)
+ {
+ asm (PRELOADSTR("%0") : : "r" (s1));
+ asm (PRELOADSTR("%0") : : "r" (s2));
+ s1++;
+ s2++;
+ }
+ out:
+ return (*(unsigned char *) s1) - (*(unsigned char *) s2);
+}
+
+#endif
Index: memcpy.c
===================================================================
--- memcpy.c (nonexistent)
+++ memcpy.c (revision 1765)
@@ -0,0 +1,101 @@
+#if defined __thumb__
+
+#include "../../string/memcpy.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+void *
+memcpy (void *dst0, const void *src0, size_t len)
+{
+ int dummy;
+ asm volatile (
+#ifndef __OPTIMIZE_SIZE__
+ "cmp %2, #0x3
+ bls 3f
+ and lr, %1, #0x3
+ and r3, %0, #0x3
+ cmp lr, r3
+ bne 3f
+ cmp lr, #0x0
+ beq 2f
+ b 1f
+0:
+ ldrb r3, [%1], #1
+"
+ PRELOADSTR ("%1")
+"
+ tst %1, #0x3
+ strb r3, [%0], #1
+ beq 3f
+1:
+ sub %2, %2, #1
+ cmn %2, #1
+ bne 0b
+2:
+ cmp %2, #0xf
+ bls 1f
+0:
+ ldmia %1!, { r3, r4, r5, lr }
+"
+ PRELOADSTR ("%1")
+"
+
+ sub %2, %2, #16
+ cmp %2, #0xf
+ stmia %0!, { r3, r4, r5, lr }
+ bhi 0b
+1:
+ cmp %2, #0x7
+ bls 1f
+0:
+ ldmia %1!, { r3, r4 }
+"
+ PRELOADSTR ("%1")
+"
+
+ sub %2, %2, #8
+ cmp %2, #0x7
+ stmia %0!, { r3, r4 }
+ bhi 0b
+1:
+ cmp %2, #0x3
+ bls 3f
+0:
+ sub %2, %2, #4
+ ldr r3, [%1], #4
+"
+ PRELOADSTR ("%1")
+"
+
+ cmp %2, #0x3
+ str r3, [%0], #4
+ bhi 0b
+"
+#endif /* !__OPTIMIZE_SIZE__ */
+"
+3:
+"
+ PRELOADSTR ("%1")
+"
+ sub %2, %2, #1
+ cmn %2, #1
+ beq 1f
+0:
+ sub %2, %2, #1
+ ldrb r3, [%1], #1
+"
+ PRELOADSTR ("%1")
+"
+ cmn %2, #1
+ strb r3, [%0], #1
+ bne 0b
+1:"
+ : "=&r" (dummy), "=&r" (src0), "=&r" (len)
+ : "0" (dst0), "1" (src0), "2" (len)
+ : "memory", "lr", "r3", "r4", "r5", "cc");
+ return dst0;
+}
+#endif
Index: memset.c
===================================================================
--- memset.c (nonexistent)
+++ memset.c (revision 1765)
@@ -0,0 +1,80 @@
+#if defined __thumb__
+
+#include "../../string/memset.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+void *
+memset (void *dst, int c, size_t len)
+{
+ int dummy;
+ asm volatile ("tst %0, #0x3"
+#ifndef __OPTIMIZE_SIZE__
+"
+ beq 1f
+ b 2f
+0:
+ strb %1, [%0], #1
+ tst %0, #0x3
+ beq 1f
+2:
+ movs r3, %2
+ sub %2, %2, #1
+ bne 0b
+1:
+ cmp %2, #0x3
+ bls 2f
+ and %1, %1, #0xff
+ orr lr, %1, %1, asl #8
+ cmp %2, #0xf
+ orr lr, lr, lr, asl #16
+ bls 1f
+ mov r3, lr
+ mov r4, lr
+ mov r5, lr
+0:
+ sub %2, %2, #16
+ stmia %0!, { r3, r4, r5, lr }
+ cmp %2, #0xf
+ bhi 0b
+1:
+ cmp %2, #0x7
+ bls 1f
+ mov r3, lr
+0:
+ sub %2, %2, #8
+ stmia %0!, { r3, lr }
+ cmp %2, #0x7
+ bhi 0b
+1:
+ cmp %2, #0x3
+ bls 2f
+0:
+ sub %2, %2, #4
+ str lr, [%0], #4
+ cmp %2, #0x3
+ bhi 0b
+"
+#endif /* !__OPTIMIZE_SIZE__ */
+"
+2:
+ movs r3, %2
+ sub %2, %2, #1
+ beq 1f
+0:
+ movs r3, %2
+ sub %2, %2, #1
+ strb %1, [%0], #1
+ bne 0b
+1:"
+
+ : "=&r" (dummy), "=&r" (c), "=&r" (len)
+ : "0" (dst), "1" (c), "2" (len)
+ : "memory", "r3", "r4", "r5", "lr");
+ return dst;
+}
+
+#endif
Index: memchr.c
===================================================================
--- memchr.c (nonexistent)
+++ memchr.c (revision 1765)
@@ -0,0 +1,102 @@
+#if defined __thumb__
+
+#include "../../string/memchr.c"
+
+#else
+
+#include
+#include "xscale.h"
+
+void *
+memchr (const void *start, int c, size_t len)
+{
+ const char *str = start;
+
+ if (len == 0)
+ return 0;
+
+ asm (PRELOADSTR ("%0") : : "r" (start));
+
+ c &= 0xff;
+
+#ifndef __OPTIMIZE_SIZE__
+ /* Skip unaligned part. */
+ if ((long)str & 3)
+ {
+ str--;
+ do
+ {
+ if (*++str == c)
+ return (void *)str;
+ }
+ while (((long)str & 3) != 0 && --len > 0);
+ }
+
+ if (len > 3)
+ {
+ unsigned int c2 = c + (c << 8);
+ c2 += c2 << 16;
+
+ /* Load two constants:
+ R7 = 0xfefefeff [ == ~(0x80808080 << 1) ]
+ R6 = 0x80808080 */
+
+ asm (
+ "mov r6, #0x80
+ add r6, r6, #0x8000
+ add r6, r6, r6, lsl #16
+ mvn r7, r6, lsl #1
+
+0:
+ cmp %1, #0x7
+ bls 1f
+
+ ldmia %0!, { r3, r9 }
+" PRELOADSTR ("%0") "
+ sub %1, %1, #8
+ eor r3, r3, %2
+ eor r9, r9, %2
+ add r2, r3, r7
+ add r8, r9, r7
+ bic r2, r2, r3
+ bic r8, r8, r9
+ and r1, r2, r6
+ and r9, r8, r6
+ orrs r1, r1, r9
+ beq 0b
+
+ add %1, %1, #8
+ sub %0, %0, #8
+1:
+ cmp %1, #0x3
+ bls 2f
+
+ ldr r3, [%0], #4
+" PRELOADSTR ("%0") "
+ sub %1, %1, #4
+ eor r3, r3, %2
+ add r2, r3, r7
+ bic r2, r2, r3
+ ands r1, r2, r6
+ beq 1b
+
+ sub %0, %0, #4
+ add %1, %1, #4
+2:
+"
+ : "=&r" (str), "=&r" (len)
+ : "r" (c2), "0" (str), "1" (len)
+ : "r1", "r2", "r3", "r6", "r7", "r8", "r9", "cc");
+ }
+#endif
+
+ while (len-- > 0)
+ {
+ if (*str == c)
+ return (void *)str;
+ str++;
+ }
+
+ return 0;
+}
+#endif
Index: aclocal.m4
===================================================================
--- aclocal.m4 (nonexistent)
+++ aclocal.m4 (revision 1765)
@@ -0,0 +1,299 @@
+dnl aclocal.m4 generated automatically by aclocal 1.4
+
+dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+dnl PARTICULAR PURPOSE.
+
+dnl This provides configure definitions used by all the newlib
+dnl configure.in files.
+
+dnl Basic newlib configury. This calls basic introductory stuff,
+dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
+dnl configure.host. The only argument is the relative path to the top
+dnl newlib directory.
+
+AC_DEFUN(NEWLIB_CONFIGURE,
+[
+dnl Default to --enable-multilib
+AC_ARG_ENABLE(multilib,
+[ --enable-multilib build many library versions (default)],
+[case "${enableval}" in
+ yes) multilib=yes ;;
+ no) multilib=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
+ esac], [multilib=yes])dnl
+
+dnl Support --enable-target-optspace
+AC_ARG_ENABLE(target-optspace,
+[ --enable-target-optspace optimize for space],
+[case "${enableval}" in
+ yes) target_optspace=yes ;;
+ no) target_optspace=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
+ esac], [target_optspace=])dnl
+
+dnl Support --enable-malloc-debugging - currently only supported for Cygwin
+AC_ARG_ENABLE(malloc-debugging,
+[ --enable-malloc-debugging indicate malloc debugging requested],
+[case "${enableval}" in
+ yes) malloc_debugging=yes ;;
+ no) malloc_debugging=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
+ esac], [malloc_debugging=])dnl
+
+dnl Support --enable-newlib-mb
+AC_ARG_ENABLE(newlib-mb,
+[ --enable-newlib-mb enable multibyte support],
+[case "${enableval}" in
+ yes) newlib_mb=yes ;;
+ no) newlib_mb=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
+ esac], [newlib_mb=no])dnl
+
+dnl We may get other options which we don't document:
+dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
+
+test -z "[$]{with_target_subdir}" && with_target_subdir=.
+
+if test "[$]{srcdir}" = "."; then
+ if test "[$]{with_target_subdir}" != "."; then
+ newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
+ else
+ newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
+ fi
+else
+ newlib_basedir="[$]{srcdir}/$1"
+fi
+AC_SUBST(newlib_basedir)
+
+AC_CANONICAL_HOST
+
+AM_INIT_AUTOMAKE(newlib, 1.10.0)
+
+# FIXME: We temporarily define our own version of AC_PROG_CC. This is
+# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
+# are probably using a cross compiler, which will not be able to fully
+# link an executable. This should really be fixed in autoconf
+# itself.
+
+AC_DEFUN(LIB_AC_PROG_CC,
+[AC_BEFORE([$0], [AC_PROG_CPP])dnl
+AC_CHECK_PROG(CC, gcc, gcc)
+if test -z "$CC"; then
+ AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
+ test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
+fi
+
+AC_PROG_CC_GNU
+
+if test $ac_cv_prog_gcc = yes; then
+ GCC=yes
+dnl Check whether -g works, even if CFLAGS is set, in case the package
+dnl plays around with CFLAGS (such as to build both debugging and
+dnl normal versions of a library), tasteless as that idea is.
+ ac_test_CFLAGS="${CFLAGS+set}"
+ ac_save_CFLAGS="$CFLAGS"
+ CFLAGS=
+ AC_PROG_CC_G
+ if test "$ac_test_CFLAGS" = set; then
+ CFLAGS="$ac_save_CFLAGS"
+ elif test $ac_cv_prog_cc_g = yes; then
+ CFLAGS="-g -O2"
+ else
+ CFLAGS="-O2"
+ fi
+else
+ GCC=
+ test "${CFLAGS+set}" = set || CFLAGS="-g"
+fi
+])
+
+LIB_AC_PROG_CC
+
+# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
+# run it explicitly here, it will be run implicitly before
+# NEWLIB_CONFIGURE, which doesn't work because that means that it will
+# be run before AC_CANONICAL_HOST.
+AC_CANONICAL_BUILD
+
+AC_CHECK_TOOL(AS, as)
+AC_CHECK_TOOL(AR, ar)
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+
+AC_PROG_INSTALL
+
+AM_MAINTAINER_MODE
+
+# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
+# at least currently, we never actually build a program, so we never
+# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
+# fails, because we are probably configuring with a cross compiler
+# which can't create executables. So we include AC_EXEEXT to keep
+# automake happy, but we don't execute it, since we don't care about
+# the result.
+if false; then
+ AC_EXEEXT
+fi
+
+. [$]{newlib_basedir}/configure.host
+
+case [$]{newlib_basedir} in
+/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
+*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
+esac
+
+newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
+case "${host}" in
+ *-*-cygwin*)
+ newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
+ ;;
+esac
+
+newlib_cflags="[$]{newlib_cflags} -fno-builtin"
+
+NEWLIB_CFLAGS=${newlib_cflags}
+AC_SUBST(NEWLIB_CFLAGS)
+
+LDFLAGS=${ldflags}
+AC_SUBST(LDFLAGS)
+
+AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
+AC_SUBST(oext)
+AC_SUBST(aext)
+
+AC_SUBST(libm_machine_dir)
+AC_SUBST(machine_dir)
+AC_SUBST(sys_dir)
+])
+
+# Do all the work for Automake. This macro actually does too much --
+# some checks are only needed if your package does certain things.
+# But this isn't really a big deal.
+
+# serial 1
+
+dnl Usage:
+dnl AM_INIT_AUTOMAKE(package,version, [no-define])
+
+AC_DEFUN(AM_INIT_AUTOMAKE,
+[AC_REQUIRE([AC_PROG_INSTALL])
+PACKAGE=[$1]
+AC_SUBST(PACKAGE)
+VERSION=[$2]
+AC_SUBST(VERSION)
+dnl test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+ AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+fi
+ifelse([$3],,
+AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
+AC_REQUIRE([AM_SANITY_CHECK])
+AC_REQUIRE([AC_ARG_PROGRAM])
+dnl FIXME This is truly gross.
+missing_dir=`cd $ac_aux_dir && pwd`
+AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
+AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
+AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
+AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
+AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
+AC_REQUIRE([AC_PROG_MAKE_SET])])
+
+#
+# Check to make sure that the build environment is sane.
+#
+
+AC_DEFUN(AM_SANITY_CHECK,
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftestfile
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
+ if test "[$]*" = "X"; then
+ # -L didn't work.
+ set X `ls -t $srcdir/configure conftestfile`
+ fi
+ if test "[$]*" != "X $srcdir/configure conftestfile" \
+ && test "[$]*" != "X conftestfile $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
+alias in your environment])
+ fi
+
+ test "[$]2" = conftestfile
+ )
+then
+ # Ok.
+ :
+else
+ AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+rm -f conftest*
+AC_MSG_RESULT(yes)])
+
+dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
+dnl The program must properly implement --version.
+AC_DEFUN(AM_MISSING_PROG,
+[AC_MSG_CHECKING(for working $2)
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf. Sigh.
+if ($2 --version) < /dev/null > /dev/null 2>&1; then
+ $1=$2
+ AC_MSG_RESULT(found)
+else
+ $1="$3/missing $2"
+ AC_MSG_RESULT(missing)
+fi
+AC_SUBST($1)])
+
+# Add --enable-maintainer-mode option to configure.
+# From Jim Meyering
+
+# serial 1
+
+AC_DEFUN(AM_MAINTAINER_MODE,
+[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+ dnl maintainer-mode is disabled by default
+ AC_ARG_ENABLE(maintainer-mode,
+[ --enable-maintainer-mode enable make rules and dependencies not useful
+ (and sometimes confusing) to the casual installer],
+ USE_MAINTAINER_MODE=$enableval,
+ USE_MAINTAINER_MODE=no)
+ AC_MSG_RESULT($USE_MAINTAINER_MODE)
+ AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
+ MAINT=$MAINTAINER_MODE_TRUE
+ AC_SUBST(MAINT)dnl
+]
+)
+
+# Define a conditional.
+
+AC_DEFUN(AM_CONDITIONAL,
+[AC_SUBST($1_TRUE)
+AC_SUBST($1_FALSE)
+if $2; then
+ $1_TRUE=
+ $1_FALSE='#'
+else
+ $1_TRUE='#'
+ $1_FALSE=
+fi])
+