OpenCores
URL https://opencores.org/ocsvn/or1k_old/or1k_old/trunk

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [machine/] [aclocal.m4] - Blame information for rev 1782

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 56 joel
dnl aclocal.m4 generated automatically by aclocal 1.4
2
 
3
dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
4
dnl This file is free software; the Free Software Foundation
5
dnl gives unlimited permission to copy and/or distribute it,
6
dnl with or without modifications, as long as this notice is preserved.
7
 
8
dnl This program is distributed in the hope that it will be useful,
9
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11
dnl PARTICULAR PURPOSE.
12
 
13
dnl This provides configure definitions used by all the newlib
14
dnl configure.in files.
15
 
16
dnl Basic newlib configury.  This calls basic introductory stuff,
17
dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST.  It also runs
18
dnl configure.host.  The only argument is the relative path to the top
19
dnl newlib directory.
20
 
21
AC_DEFUN(NEWLIB_CONFIGURE,
22
[
23
dnl Default to --enable-multilib
24
AC_ARG_ENABLE(multilib,
25
[  --enable-multilib         build many library versions (default)],
26
[case "${enableval}" in
27
  yes) multilib=yes ;;
28
  no)  multilib=no ;;
29
  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
30
 esac], [multilib=yes])dnl
31
 
32
dnl Support --enable-target-optspace
33
AC_ARG_ENABLE(target-optspace,
34
[  --enable-target-optspace  optimize for space],
35
[case "${enableval}" in
36
  yes) target_optspace=yes ;;
37
  no)  target_optspace=no ;;
38
  *)   AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
39
 esac], [target_optspace=])dnl
40
 
41
dnl Support --enable-newlib-mb
42
AC_ARG_ENABLE(newlib-mb,
43
[  --enable-newlib-mb        enable multibyte support],
44
[case "${enableval}" in
45
  yes) newlib_mb=yes ;;
46
  no)  newlib_mb=no ;;
47
  *)   AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
48
 esac], [newlib_mb=no])dnl
49
 
50
dnl We may get other options which we don't document:
51
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
52
 
53
test -z "[$]{with_target_subdir}" && with_target_subdir=.
54
 
55
if test "[$]{srcdir}" = "."; then
56
  if test "[$]{with_target_subdir}" != "."; then
57
    newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
58
  else
59
    newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
60
  fi
61
else
62
  newlib_basedir="[$]{srcdir}/$1"
63
fi
64
AC_SUBST(newlib_basedir)
65
 
66
AC_CANONICAL_HOST
67
 
68
AM_INIT_AUTOMAKE(newlib, 1.8.1)
69
 
70
# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
71
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
72
# are probably using a cross compiler, which will not be able to fully
73
# link an executable.  This should really be fixed in autoconf
74
# itself.
75
 
76
AC_DEFUN(LIB_AC_PROG_CC,
77
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
78
AC_CHECK_PROG(CC, gcc, gcc)
79
if test -z "$CC"; then
80
  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
81
  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
82
fi
83
 
84
AC_PROG_CC_GNU
85
 
86
if test $ac_cv_prog_gcc = yes; then
87
  GCC=yes
88
dnl Check whether -g works, even if CFLAGS is set, in case the package
89
dnl plays around with CFLAGS (such as to build both debugging and
90
dnl normal versions of a library), tasteless as that idea is.
91
  ac_test_CFLAGS="${CFLAGS+set}"
92
  ac_save_CFLAGS="$CFLAGS"
93
  CFLAGS=
94
  AC_PROG_CC_G
95
  if test "$ac_test_CFLAGS" = set; then
96
    CFLAGS="$ac_save_CFLAGS"
97
  elif test $ac_cv_prog_cc_g = yes; then
98
    CFLAGS="-g -O2"
99
  else
100
    CFLAGS="-O2"
101
  fi
102
else
103
  GCC=
104
  test "${CFLAGS+set}" = set || CFLAGS="-g"
105
fi
106
])
107
 
108
LIB_AC_PROG_CC
109
 
110
# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't
111
# run it explicitly here, it will be run implicitly before
112
# NEWLIB_CONFIGURE, which doesn't work because that means that it will
113
# be run before AC_CANONICAL_HOST.
114
AC_CANONICAL_BUILD
115
 
116
AC_CHECK_TOOL(AS, as)
117
AC_CHECK_TOOL(AR, ar)
118
AC_CHECK_TOOL(RANLIB, ranlib, :)
119
 
120
AC_PROG_INSTALL
121
 
122
AM_MAINTAINER_MODE
123
 
124
# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
125
# at least currently, we never actually build a program, so we never
126
# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
127
# fails, because we are probably configuring with a cross compiler
128
# which can't create executables.  So we include AC_EXEEXT to keep
129
# automake happy, but we don't execute it, since we don't care about
130
# the result.
131
if false; then
132
  AC_EXEEXT
133
fi
134
 
135
. [$]{newlib_basedir}/configure.host
136
 
137
case [$]{newlib_basedir} in
138
/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
139
*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
140
esac
141
 
142
newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
143
case "${host}" in
144
  *-*-cygwin*)
145
    newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/include"
146
    ;;
147
esac
148
 
149
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
150
 
151
NEWLIB_CFLAGS=${newlib_cflags}
152
AC_SUBST(NEWLIB_CFLAGS)
153
 
154
AC_SUBST(machine_dir)
155
AC_SUBST(sys_dir)
156
])
157
 
158
# Do all the work for Automake.  This macro actually does too much --
159
# some checks are only needed if your package does certain things.
160
# But this isn't really a big deal.
161
 
162
# serial 1
163
 
164
dnl Usage:
165
dnl AM_INIT_AUTOMAKE(package,version, [no-define])
166
 
167
AC_DEFUN(AM_INIT_AUTOMAKE,
168
[AC_REQUIRE([AC_PROG_INSTALL])
169
PACKAGE=[$1]
170
AC_SUBST(PACKAGE)
171
VERSION=[$2]
172
AC_SUBST(VERSION)
173
dnl test to see if srcdir already configured
174
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
175
  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
176
fi
177
ifelse([$3],,
178
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
179
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
180
AC_REQUIRE([AM_SANITY_CHECK])
181
AC_REQUIRE([AC_ARG_PROGRAM])
182
dnl FIXME This is truly gross.
183
missing_dir=`cd $ac_aux_dir && pwd`
184
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
185
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
186
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
187
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
188
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
189
AC_REQUIRE([AC_PROG_MAKE_SET])])
190
 
191
#
192
# Check to make sure that the build environment is sane.
193
#
194
 
195
AC_DEFUN(AM_SANITY_CHECK,
196
[AC_MSG_CHECKING([whether build environment is sane])
197
# Just in case
198
sleep 1
199
echo timestamp > conftestfile
200
# Do `set' in a subshell so we don't clobber the current shell's
201
# arguments.  Must try -L first in case configure is actually a
202
# symlink; some systems play weird games with the mod time of symlinks
203
# (eg FreeBSD returns the mod time of the symlink's containing
204
# directory).
205
if (
206
   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
207
   if test "[$]*" = "X"; then
208
      # -L didn't work.
209
      set X `ls -t $srcdir/configure conftestfile`
210
   fi
211
   if test "[$]*" != "X $srcdir/configure conftestfile" \
212
      && test "[$]*" != "X conftestfile $srcdir/configure"; then
213
 
214
      # If neither matched, then we have a broken ls.  This can happen
215
      # if, for instance, CONFIG_SHELL is bash and it inherits a
216
      # broken ls alias from the environment.  This has actually
217
      # happened.  Such a system could not be considered "sane".
218
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
219
alias in your environment])
220
   fi
221
 
222
   test "[$]2" = conftestfile
223
   )
224
then
225
   # Ok.
226
   :
227
else
228
   AC_MSG_ERROR([newly created file is older than distributed files!
229
Check your system clock])
230
fi
231
rm -f conftest*
232
AC_MSG_RESULT(yes)])
233
 
234
dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
235
dnl The program must properly implement --version.
236
AC_DEFUN(AM_MISSING_PROG,
237
[AC_MSG_CHECKING(for working $2)
238
# Run test in a subshell; some versions of sh will print an error if
239
# an executable is not found, even if stderr is redirected.
240
# Redirect stdin to placate older versions of autoconf.  Sigh.
241
if ($2 --version) < /dev/null > /dev/null 2>&1; then
242
   $1=$2
243
   AC_MSG_RESULT(found)
244
else
245
   $1="$3/missing $2"
246
   AC_MSG_RESULT(missing)
247
fi
248
AC_SUBST($1)])
249
 
250
# Add --enable-maintainer-mode option to configure.
251
# From Jim Meyering
252
 
253
# serial 1
254
 
255
AC_DEFUN(AM_MAINTAINER_MODE,
256
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
257
  dnl maintainer-mode is disabled by default
258
  AC_ARG_ENABLE(maintainer-mode,
259
[  --enable-maintainer-mode enable make rules and dependencies not useful
260
                          (and sometimes confusing) to the casual installer],
261
      USE_MAINTAINER_MODE=$enableval,
262
      USE_MAINTAINER_MODE=no)
263
  AC_MSG_RESULT($USE_MAINTAINER_MODE)
264
  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
265
  MAINT=$MAINTAINER_MODE_TRUE
266
  AC_SUBST(MAINT)dnl
267
]
268
)
269
 
270
# Define a conditional.
271
 
272
AC_DEFUN(AM_CONDITIONAL,
273
[AC_SUBST($1_TRUE)
274
AC_SUBST($1_FALSE)
275
if $2; then
276
  $1_TRUE=
277
  $1_FALSE='#'
278
else
279
  $1_TRUE='#'
280
  $1_FALSE=
281
fi])
282
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.