URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [newlib-1.18.0/] [newlib-1.18.0-or32-1.0rc2/] [newlib/] [acinclude.m4] - Rev 530
Go to most recent revision | Compare with Previous | Blame | View Log
dnl This provides configure definitions used by all the newlib dnl configure.in files. AC_DEFUN([DEF_NEWLIB_VERSION], m4_define([NEWLIB_VERSION],[1.18.0])) 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], [AC_REQUIRE([DEF_NEWLIB_VERSION]) 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 ${enableval} for malloc-debugging option) ;; esac], [malloc_debugging=])dnl dnl Support --enable-newlib-multithread AC_ARG_ENABLE(newlib-multithread, [ --enable-newlib-multithread enable support for multiple threads], [case "${enableval}" in yes) newlib_multithread=yes ;; no) newlib_multithread=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;; esac], [newlib_multithread=yes])dnl dnl Support --enable-newlib-iconv AC_ARG_ENABLE(newlib-iconv, [ --enable-newlib-iconv enable iconv library support], [if test "${newlib_iconv+set}" != set; then case "${enableval}" in yes) newlib_iconv=yes ;; no) newlib_iconv=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-iconv option) ;; esac fi], [newlib_iconv=${newlib_iconv}])dnl dnl Support --enable-newlib-elix-level AC_ARG_ENABLE(newlib-elix-level, [ --enable-newlib-elix-level supply desired elix library level (1-4)], [case "${enableval}" in 0) newlib_elix_level=0 ;; 1) newlib_elix_level=1 ;; 2) newlib_elix_level=2 ;; 3) newlib_elix_level=3 ;; 4) newlib_elix_level=4 ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;; esac], [newlib_elix_level=0])dnl dnl Support --disable-newlib-io-float AC_ARG_ENABLE(newlib-io-float, [ --disable-newlib-io-float disable printf/scanf family float support], [case "${enableval}" in yes) newlib_io_float=yes ;; no) newlib_io_float=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;; esac], [newlib_io_float=yes])dnl dnl Support --disable-newlib-supplied-syscalls AC_ARG_ENABLE(newlib-supplied-syscalls, [ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls], [case "${enableval}" in yes) newlib_may_supply_syscalls=yes ;; no) newlib_may_supply_syscalls=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;; esac], [newlib_may_supply_syscalls=yes])dnl AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes) 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}/$1" fi AC_SUBST(newlib_basedir) AC_CANONICAL_HOST AM_INIT_AUTOMAKE([cygnus no-define 1.9.5]) # FIXME: We temporarily define our own version of AC_PROG_CC. This is # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We # are probably using a cross compiler, which will not be able to fully # link an executable. This should really be fixed in autoconf # itself. AC_DEFUN([LIB_AC_PROG_CC_GNU], [AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc, [dnl The semicolon is to pacify NeXT's syntax-checking cpp. cat > conftest.c <<EOF #ifdef __GNUC__ yes; #endif EOF if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yes else ac_cv_prog_gcc=no fi])]) AC_DEFUN([LIB_AM_PROG_AS], [# By default we simply use the C compiler to build assembly code. AC_REQUIRE([LIB_AC_PROG_CC]) test "${CCAS+set}" = set || CCAS=$CC test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)]) AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)]) ]) AC_DEFUN([LIB_AC_PROG_CC], [AC_BEFORE([$0], [AC_PROG_CPP])dnl AC_CHECK_PROG(CC, gcc, gcc) _AM_DEPENDENCIES(CC) if test -z "$CC"; then AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) fi LIB_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="$CFLAGS" _AC_PROG_CC_G if test "$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(AS, as) AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CHECK_TOOL(READELF, readelf, :) AC_PROG_INSTALL # Hack to ensure that INSTALL won't be set to "../" with autoconf 2.13. */ ac_given_INSTALL=$INSTALL AM_MAINTAINER_MODE LIB_AM_PROG_AS # 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 $(EXEEXT). Moreover, the test for EXEEXT normally # fails, because we are probably configuring with a cross compiler # which can't create executables. So we include AC_EXEEXT to keep # automake happy, but we don't execute it, since we don't care about # the result. if false; then AC_EXEEXT dummy_var=1 fi . [$]{newlib_basedir}/configure.host newlib_cflags="[$]{newlib_cflags} -fno-builtin" NEWLIB_CFLAGS=${newlib_cflags} AC_SUBST(NEWLIB_CFLAGS) LDFLAGS=${ldflags} AC_SUBST(LDFLAGS) AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0) AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1) AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2) AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3) AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4) AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes) # Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we # use oext, which is set in configure.host based on the target platform. OBJEXT=${oext} AC_SUBST(OBJEXT) AC_SUBST(oext) AC_SUBST(aext) AC_SUBST(lpfx) AC_SUBST(libm_machine_dir) AC_SUBST(machine_dir) AC_SUBST(sys_dir) ])
Go to most recent revision | Compare with Previous | Blame | View Log