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_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 ]) dnl Run a static link test with -nostdlib -nostartfiles. dnl LIBC_TRY_LINK_STATIC([code], [action-if-true], [action-if-false]) AC_DEFUN([LIBC_TRY_LINK_STATIC], [cat > conftest.c <<EOF int _start (void) { return 0; } int __start (void) { return 0; } $1 EOF AS_IF([AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD])], [$2], [$3]) rm -f conftest*]) dnl Test a compiler option or options with an empty input file. dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false]) AC_DEFUN([LIBC_TRY_CC_OPTION], [AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])], [$2], [$3])]) dnl Find and source sysdeps/*/preconfigure. dnl LIBC_PRECONFIGURE([$srcdir], [for]) AC_DEFUN([LIBC_PRECONFIGURE], [dnl if frags=`ls -d $1/sysdeps/*/preconfigure 2> /dev/null` then AC_MSG_CHECKING($2 preconfigure fragments) for frag in $frags; do name=`echo "$frag" | sed 's@/[[^/]]*[$]@@;s@^.*/@@'` echo $ECHO_N "$name $ECHO_C" >&AS_MESSAGE_FD . "$frag" done AC_MSG_RESULT() fi])