mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 16:50:07 +00:00
6916c5e1fa
1998-04-07 17:50 Zack Weinberg <zack@rabi.phys.columbia.edu> * glibcbug.in: Report version of gcc in use. Remove unused variable ENVIRONMENT. 1998-04-07 Gordon Matzigkeit <gord@profitpress.com> * aclocal.m4 (LIBC_PROG_BINUTILS): Use `-print-prog-name', not `-print-file-name' to find as and ld. 1998-04-07 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/mkstemp.c (mkstemp): Correct return value in case template is wrong. Remove unused varaible `ignored'. 1998-04-07 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libc.map: Export __libc_sa_len. * iconv/gconv_conf.c (MAXPATHLEN): Define correctly.
129 lines
3.9 KiB
Plaintext
129 lines
3.9 KiB
Plaintext
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
|
|
# 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 -v </dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
|
|
$2
|
|
else
|
|
$3
|
|
fi])
|
|
|
|
AC_DEFUN(LIBC_PROG_BINUTILS,
|
|
[# Was a --with-binutils option given?
|
|
if test -n "$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`
|
|
|
|
# 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
|
|
])
|