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glibc/aclocal.m4
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dnl We define the macro GLIBC_PROVIDES to do an AC_PROVIDE for each macro | |
dnl which appears in configure.in before the sysdep configure scripts are run. | |
dnl Each sysdep configure.in does GLIBC_PROVIDES first, to avoid any | |
dnl AC_REQUIREs or AC_BEFOREs duplicating their code. | |
dnl | |
define([GLIBC_PROVIDES], [dnl | |
AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl | |
AC_PROVIDE([AC_CONFIG_SUBDIRS])dnl | |
AC_PROVIDE([_AS_ECHO_N_PREPARE])dnl | |
AC_PROVIDE([_AS_ECHO_PREPARE])dnl | |
AC_PROVIDE([_AS_CR_PREPARE])dnl | |
AC_PROVIDE([_AS_TR_SH_PREPARE])dnl | |
AC_PROVIDE([AC_PROG_INSTALL])dnl | |
AC_PROVIDE([AC_PROG_RANLIB])dnl | |
AC_PROVIDE([AC_PROG_CC])dnl | |
AC_PROVIDE([AC_PROG_CPP])dnl | |
AC_PROVIDE([_AS_PATH_SEPARATOR_PREPARE])dnl | |
AC_PROVIDE([_AS_TEST_PREPARE])dnl | |
define([AS_MESSAGE_LOG_FD],5)dnl | |
define([AS_MESSAGE_FD],6)dnl | |
dnl Ripped out of AS_INIT, which does more cruft we do not want. | |
m4_wrap([m4_divert_pop([BODY])[]]) | |
m4_divert_push([BODY])[]dnl | |
dnl End of ripped out of AS_INIT. | |
# This file is generated from configure.in by Autoconf. DO NOT EDIT! | |
define([_AC_LANG], [C])dnl | |
])dnl | |
dnl | |
dnl Check for a symbol | |
dnl | |
AC_DEFUN([AC_CHECK_SYMBOL], [dnl | |
AC_MSG_CHECKING(for $1) | |
AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl | |
AC_TRY_LINK(, | |
changequote(,)dnl | |
extern char *$1[]; puts(*$1);, | |
changequote([,])dnl | |
ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)]) | |
if test "$ac_cv_check_symbol_$1" = yes; then | |
changequote(,)dnl | |
ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'` | |
changequote([,])dnl | |
AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol}) | |
fi | |
AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl | |
dnl | |
dnl Locate a program and check that its version is acceptable. | |
dnl AC_PROG_CHECK_VER(var, namelist, version-switch, | |
dnl [version-extract-regexp], version-glob [, do-if-fail]) | |
AC_DEFUN([AC_CHECK_PROG_VER], | |
[AC_CHECK_PROGS([$1], [$2]) | |
if test -z "[$]$1"; then | |
ac_verc_fail=yes | |
else | |
# Found it, now check the version. | |
AC_MSG_CHECKING([version of [$]$1]) | |
changequote(<<,>>)dnl | |
ac_prog_version=`<<$>>$1 $3 2>&1 ifelse(<<$4>>,,, | |
<<| sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'>>)` | |
case $ac_prog_version in | |
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; | |
<<$5>>) | |
changequote([,])dnl | |
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; | |
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; | |
esac | |
AC_MSG_RESULT([$ac_prog_version]) | |
fi | |
ifelse([$6],,, | |
[if test $ac_verc_fail = yes; then | |
$6 | |
fi]) | |
]) | |
dnl These modifications are to allow for an empty cross compiler tree. | |
define([_AC_COMPILER_EXEEXT], [EXEEXT= | |
]) | |
AC_DEFUN([LIBC_PROG_FOO_GNU], | |
[# Most GNU programs take a -v and spit out some text including | |
# the word 'GNU'. Some try to read stdin, so give them /dev/null. | |
if $1 -o conftest -v </dev/null 2>&1 | grep GNU > /dev/null 2>&1; then | |
$2 | |
else | |
$3 | |
fi | |
rm -fr contest*]) | |
AC_DEFUN([LIBC_PROG_BINUTILS], | |
[# Was a --with-binutils option given? | |
if test -n "$path_binutils"; then | |
# Make absolute; ensure a single trailing slash. | |
path_binutils=`(cd $path_binutils; pwd) | sed 's%/*$%/%'` | |
CC="$CC -B$path_binutils" | |
fi | |
AS=`$CC -print-prog-name=as` | |
LD=`$CC -print-prog-name=ld` | |
AR=`$CC -print-prog-name=ar` | |
AC_SUBST(AR) | |
OBJDUMP=`$CC -print-prog-name=objdump` | |
AC_SUBST(OBJDUMP) | |
OBJCOPY=`$CC -print-prog-name=objcopy` | |
AC_SUBST(OBJCOPY) | |
# Determine whether we are using GNU binutils. | |
AC_CACHE_CHECK(whether $AS is GNU as, libc_cv_prog_as_gnu, | |
[LIBC_PROG_FOO_GNU($AS, libc_cv_prog_as_gnu=yes, libc_cv_prog_as_gnu=no)]) | |
rm -f a.out | |
gnu_as=$libc_cv_prog_as_gnu | |
AC_CACHE_CHECK(whether $LD is GNU ld, libc_cv_prog_ld_gnu, | |
[LIBC_PROG_FOO_GNU($LD, libc_cv_prog_ld_gnu=yes, libc_cv_prog_ld_gnu=no)]) | |
gnu_ld=$libc_cv_prog_ld_gnu | |
]) |