Import glibc-mainline for 2006-08-16

git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 123 insertions, 0 deletions

diff --git a/libc/aclocal.m4 b/libc/aclocal.m4
new file mode 100644
index 000000000..4efa41ee9
--- /dev/null
+++ b/libc/aclocal.m4
@@ -0,0 +1,123 @@
+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([_AS_ECHO_N_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)
+
+# ranlib has to be treated a bit differently since it might not exist at all.
+ac_ranlib=`$CC -print-prog-name=ranlib`
+if test "x$ac_ranlib" = xranlib; 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, :)
+else
+  RANLIB=$ac_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
+])