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
+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
-define([AC_LANG], [C])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_DEFUN([AC_CHECK_SYMBOL], [dnl
AC_MSG_CHECKING(for $1)
AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
AC_TRY_LINK(,
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_DEFUN([AC_CHECK_PROG_VER],
[AC_CHECK_PROGS([$1], [$2])
if test -z "[$]$1"; then
ac_verc_fail=yes
AC_MSG_CHECKING([version of [$]$1])
changequote(<<,>>)dnl
ac_prog_version=`<<$>>$1 $3 2>&1 ifelse(<<$4>>,,,
- <<| sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'>>)`
+ <<| sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'>>)`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
<<$5>>)
])
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 $ac_cv_prog_gcc != yes; then
- AC_MSG_ERROR([GNU libc must be compiled using GNU CC])
-fi
+define([_AC_COMPILER_EXEEXT], [EXEEXT=
])
-AC_DEFUN(AC_PROG_CC_WORKS_LOCAL,
-[AC_MSG_CHECKING([whether the C compiler ($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,
+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 $1 -o conftest -v </dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
fi
rm -fr contest*])
-AC_DEFUN(LIBC_PROG_BINUTILS,
+AC_DEFUN([LIBC_PROG_BINUTILS],
[# Was a --with-binutils option given?
if test -n "$path_binutils"; then
# Make absolute; ensure a single trailing slash.
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.
-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=$ac_ranlib
-fi
-AC_SUBST(RANLIB)
+OBJDUMP=`$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 $AS is GNU as, libc_cv_prog_as_gnu,
[LIBC_PROG_FOO_GNU($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])
projects / thirdparty / glibc.git / blobdiff