mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 02:50:09 +00:00
bc526b60ee
1998-03-11 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Use _dl_debug_message. 1998-03-12 Matthias Urlichs <smurf@noris.de> * elf/dl-misc.c: Default for debug output should be stderr. * elf/dl-misc.c: Spurious garbage bytes after the PID in debug output. * elf/dl-lookup.c: reference_name may be NULL or empty. 1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * aclocal.m4 (LIBC_PROG_FOO_GNU): Fix order of redirection. 1998-03-11 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/Dist: Add scsi/scsi.h. * sysdeps/unix/sysv/linux/scsi/sg.h: Include features.h. 1998-03-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/scsi/scsi.h: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install it. 1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
122 lines
3.7 KiB
Plaintext
122 lines
3.7 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 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".
|
|
AC_DEFUN(AC_PROG_CC_LOCAL,
|
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
|
AC_CHECK_PROG(CC, gcc, gcc)
|
|
if test -z "$CC"; then
|
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
|
fi
|
|
|
|
AC_PROG_CC_WORKS_LOCAL
|
|
AC_PROG_CC_GNU
|
|
|
|
dnl The following differs from the AC_PROG_CC macro in autoconf. Since
|
|
dnl we require a recent version of gcc to be used we do not need to go
|
|
dnl into lengths and test for bugs in old versions. It must be gcc 2.7
|
|
dnl or above.
|
|
if test $ac_cv_prog_gcc = yes; then
|
|
GCC=yes
|
|
|
|
dnl Check the version
|
|
cat > conftest.c <<EOF
|
|
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
|
|
yes;
|
|
#endif
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
|
|
if test -z "$CFLAGS"; then
|
|
CFLAGS="-g -O2"
|
|
fi
|
|
else
|
|
AC_MSG_ERROR([We require GNU CC version 2.7 or newer])
|
|
fi
|
|
else
|
|
AC_MSG_ERROR([GNU libc must be compiled using GNU CC])
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_PROG_CC_WORKS_LOCAL,
|
|
[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works])
|
|
AC_LANG_SAVE
|
|
AC_LANG_C
|
|
AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
|
|
AC_LANG_RESTORE
|
|
AC_MSG_RESULT($ac_cv_prog_cc_works)
|
|
if test $ac_cv_prog_cc_works = no; then
|
|
cross_linkable=no
|
|
ac_cv_prog_cc_cross=yes
|
|
dnl AC_MSG_ERROR([installation or configuration problem: C compiler cannot create executables.])
|
|
else
|
|
cross_linkable=yes
|
|
fi
|
|
AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler])
|
|
AC_MSG_RESULT($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="$CC -B$with_binutils"
|
|
fi
|
|
AS=`$CC -print-file-name=as`
|
|
LD=`$CC -print-file-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])
|