diff options
Diffstat (limited to 'bfd/acinclude.m4')
| -rw-r--r-- | bfd/acinclude.m4 | 156 |
1 files changed, 109 insertions, 47 deletions
diff --git a/bfd/acinclude.m4 b/bfd/acinclude.m4 index ecb4c79..d9eb2a0 100644 --- a/bfd/acinclude.m4 +++ b/bfd/acinclude.m4 @@ -1,49 +1,111 @@ -dnl See whether we need to use fopen-bin.h rather than fopen-same.h. -AC_DEFUN(BFD_BINARY_FOPEN, -[AC_REQUIRE([AC_CANONICAL_SYSTEM]) -case "${host}" in -changequote(,)dnl -i[345]86-*-msdos* | i[345]86-*-go32* | *-*-cygwin32 | *-*-windows) -changequote([,])dnl - AC_DEFINE(USE_BINARY_FOPEN) ;; -esac])dnl - -dnl Get a default for CC_FOR_BUILD to put into Makefile. -AC_DEFUN(BFD_CC_FOR_BUILD, -[# Put a plausible default for CC_FOR_BUILD in Makefile. -if test -z "$CC_FOR_BUILD"; then - if test "x$cross_compiling" = "xno"; then - CC_FOR_BUILD='$(CC)' - else - CC_FOR_BUILD=gcc - fi +sinclude(acmacros.m4) + +dnl This is a copy of AM_PROG_LIBTOOL from libtool 1.0, modified to +dnl not produce a shared library by default. +AC_DEFUN(AM_PROG_LIBTOOL, +[AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([AC_PROG_CC]) +AC_REQUIRE([AC_PROG_RANLIB]) +AC_REQUIRE([AM_PROG_LD]) +AC_REQUIRE([AC_PROG_LN_S]) + +# Always use our own libtool. +LIBTOOL='$(top_builddir)/libtool' +AC_SUBST(LIBTOOL) + +dnl Allow the --disable-shared flag to stop us from building shared libs. +AC_ARG_ENABLE(shared, +[ --enable-shared build shared libraries [default=yes]], +test "$enableval" = no && libtool_shared=" --disable-shared", +libtool_shared=--disable-shared) + +dnl Allow the --disable-static flag to stop us from building static libs. +AC_ARG_ENABLE(static, +[ --enable-static build static libraries [default=yes]], +test "$enableval" = no && libtool_static=" --disable-static", +libtool_static=) + +libtool_flags="$libtool_shared$libtool_static" +test "$silent" = yes && libtool_flags="$libtool_flags --silent" +test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" +test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +[case "$host" in +*-*-irix6*) + for f in '-32' '-64' '-cckr' '-n32' '-mips1' '-mips2' '-mips3' '-mips4'; do + if echo " $CC $CFLAGS " | egrep -e "[ ]$f[ ]" > /dev/null; then + LD="${LD-ld} $f" + fi + done + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + CFLAGS="$CFLAGS -belf" + ;; +esac] + +# Actually configure libtool. ac_aux_dir is where install-sh is found. +CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ +LD="$LD" RANLIB="$RANLIB" LN_S="$LN_S" \ +${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \ +$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ +|| AC_MSG_ERROR([libtool configure failed]) +]) + +# AM_PROG_LD - find the path to the GNU or non-GNU linker +AC_DEFUN(AM_PROG_LD, +[AC_ARG_WITH(gnu-ld, +[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], +test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) +if test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) fi -AC_SUBST(CC_FOR_BUILD)])dnl - -dnl See whether we need a declaration for a function. -AC_DEFUN(BFD_NEED_DECLARATION, -[AC_MSG_CHECKING([whether $1 must be declared]) -AC_CACHE_VAL(bfd_cv_decl_needed_$1, -[AC_TRY_COMPILE([ -#include <stdio.h> -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif], -[char *(*pfn) = (char *(*)) $1], -bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)]) -AC_MSG_RESULT($bfd_cv_decl_needed_$1) -if test $bfd_cv_decl_needed_$1 = yes; then - bfd_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` - AC_DEFINE_UNQUOTED($bfd_tr_decl) +AC_CACHE_VAL(ac_cv_path_LD, +[case "$LD" in + /*) + ac_cv_path_LD="$LD" # Let the user override the test with a path. + ;; + *) + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/ld"; then + ac_cv_path_LD="$ac_dir/ld" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then + test "$with_gnu_ld" = yes && break + else + test "$with_gnu_ld" != yes && break + fi + fi + done + IFS="$ac_save_ifs" + ;; +esac]) +LD="$ac_cv_path_LD" +if test -n "$LD"; then + AC_MSG_RESULT($LD) +else + AC_MSG_RESULT(no) fi -])dnl +test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) +AC_SUBST(LD) +AM_PROG_LD_GNU +]) + +AC_DEFUN(AM_PROG_LD_GNU, +[AC_CACHE_CHECK([whether we are using GNU ld], ac_cv_prog_gnu_ld, +[# I'd rather use --version here, but apparently some GNU ld's only accept -v. +if $LD -v 2>&1 </dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then + ac_cv_prog_gnu_ld=yes +else + ac_cv_prog_gnu_ld=no +fi]) +]) |