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(AC_FD_MSG,6)dnl Autoconf lossage. define(AC_FD_CC,5)dnl Autoconf lossage. AC_DEFUN([GLIBC_PROVIDES], [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 define([AC_LANG], [C])dnl # This file is generated from configure.in by Autoconf. DO NOT EDIT! ])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. dnl In the situation that cross-linking is impossible, the variable dnl `cross_linkable' will be substituted with "yes". dnl The vercheck macros are expected to have been called already. AC_DEFUN(AC_PROG_CC_LOCAL, [AC_BEFORE([$0], [AC_PROG_CPP])dnl AC_PROG_CC_WORKS_LOCAL AC_PROG_CC_GNU if test $ac_cv_prog_gcc != yes; then AC_MSG_ERROR([GNU libc must be compiled using GNU CC]) fi ]) AC_DEFUN(AC_PROG_CC_WORKS_LOCAL, [AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works]) AC_CACHE_VAL(ac_cv_prog_cc_works, [AC_LANG_SAVE AC_LANG_C AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross) AC_LANG_RESTORE]) AC_MSG_RESULT($ac_cv_prog_cc_works) if test $ac_cv_prog_cc_works = no; then cross_linkable=no ac_cv_prog_cc_cross=yes dnl AC_MSG_ERROR([installation or configuration problem: C compiler cannot create executables.]) else cross_linkable=yes fi AC_CACHE_CHECK( [whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler], ac_cv_prog_cc_cross, [:]) AC_SUBST(cross_linkable) cross_compiling=$ac_cv_prog_cc_cross ]) 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=`$CC -print-prog-name=ar` AC_SUBST(AR) # ranlib has to be treated a bit differently since it might not exist at all. RANLIB=`$CC -print-prog-name=ranlib` if test $RANLIB = ranlib; then # This extra check has to happen since gcc simply echos the parameter in # case it cannot find the value in its own directories. AC_CHECK_TOOL(RANLIB, ranlib, :) fi AC_SUBST(RANLIB) # 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 ])