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Use -z ignore instead of --as-needed on Solaris

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* acinclude.m4 (libgfor_cv_have_as_needed): Check for -z ignore, too.
	* configure: Regenerate.

From-SVN: r199285
This commit is contained in:
Rainer Orth 2013-05-24 09:23:33 +00:00 • committed by Rainer Orth
parent 905b92cb01
commit 828012a527
3 changed files with 67 additions and 10 deletions
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5
libgfortran/ChangeLog
View file

@ -1,3 +1,8 @@
2013-05-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* acinclude.m4 (libgfor_cv_have_as_needed): Check for -z ignore, too.
* configure: Regenerate.
2013-05-05 David Edelsohn <dje.gcc@gmail.com>
* caf/libcaf.h (_gfortran_caf_critical): Add a prototype.

24
libgfortran/acinclude.m4
View file

@ -296,7 +296,7 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
if test "x$libgfor_cv_have_float128" = xyes; then
AC_DEFINE(HAVE_FLOAT128, 1, [Define if have a usable __float128 type.])
dnl Check whether -Wl,--as-needed is supported
dnl Check whether -Wl,--as-needed resp. -Wl,-zignore is supported
dnl
dnl Turn warnings into error to avoid testsuite breakage. So enable
dnl AC_LANG_WERROR, but there's currently (autoconf 2.64) no way to turn
@ -304,23 +304,39 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
dnl AC_PATH_XTRA.
dnl Cf. http://gcc.gnu.org/ml/gcc-patches/2010-05/msg01889.html
ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag=$ac_[]_AC_LANG_ABBREV[]_werror_flag
AC_CACHE_CHECK([whether --as-needed works],
AC_CACHE_CHECK([whether --as-needed/-z ignore works],
[libgfor_cv_have_as_needed],
[
# Test for native Solaris options first.
# No whitespace after -z to pass it through -Wl.
libgfor_cv_as_needed_option="-zignore"
libgfor_cv_no_as_needed_option="-zrecord"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--as-needed -lm -Wl,--no-as-needed"
LDFLAGS="$LDFLAGS -Wl,$libgfor_cv_as_needed_option -lm -Wl,$libgfor_cv_no_as_needed_option"
libgfor_cv_have_as_needed=no
AC_LANG_WERROR
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
[libgfor_cv_have_as_needed=yes],
[libgfor_cv_have_as_needed=no])
LDFLAGS="$save_LDFLAGS"
if test "x$libgfor_cv_have_as_needed" = xno; then
libgfor_cv_as_needed_option="--as-needed"
libgfor_cv_no_as_needed_option="--no-as-needed"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,$libgfor_cv_as_needed_option -lm -Wl,$libgfor_cv_no_as_needed_option"
libgfor_cv_have_as_needed=no
AC_LANG_WERROR
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
[libgfor_cv_have_as_needed=yes],
[libgfor_cv_have_as_needed=no])
LDFLAGS="$save_LDFLAGS"
fi
ac_[]_AC_LANG_ABBREV[]_werror_flag=$ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag
])
dnl For static libgfortran linkage, depend on libquadmath only if needed.
if test "x$libgfor_cv_have_as_needed" = xyes; then
LIBQUADSPEC="%{static-libgfortran:--as-needed} -lquadmath %{static-libgfortran:--no-as-needed}"
LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
else
LIBQUADSPEC="-lquadmath"
fi

48
libgfortran/configure vendored
View file

@ -600,6 +600,7 @@ ac_includes_default="\
ac_header_list=
ac_func_list=
ac_c_werror_flag=
ac_c_werror_flag=
ac_subst_vars='am__EXEEXT_FALSE
am__EXEEXT_TRUE
LTLIBOBJS
@ -12333,7 +12334,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12336 "configure"
#line 12337 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -12439,7 +12440,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12442 "configure"
#line 12443 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -25720,14 +25721,18 @@ $as_echo "#define HAVE_FLOAT128 1" >>confdefs.h
ac_xsave_c_werror_flag=$ac_c_werror_flag
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --as-needed works" >&5
$as_echo_n "checking whether --as-needed works... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --as-needed/-z ignore works" >&5
$as_echo_n "checking whether --as-needed/-z ignore works... " >&6; }
if test "${libgfor_cv_have_as_needed+set}" = set; then :
$as_echo_n "(cached) " >&6
else
# Test for native Solaris options first.
# No whitespace after -z to pass it through -Wl.
libgfor_cv_as_needed_option="-zignore"
libgfor_cv_no_as_needed_option="-zrecord"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--as-needed -lm -Wl,--no-as-needed"
LDFLAGS="$LDFLAGS -Wl,$libgfor_cv_as_needed_option -lm -Wl,$libgfor_cv_no_as_needed_option"
libgfor_cv_have_as_needed=no
ac_c_werror_flag=yes
@ -25753,6 +25758,37 @@ fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS="$save_LDFLAGS"
if test "x$libgfor_cv_have_as_needed" = xno; then
libgfor_cv_as_needed_option="--as-needed"
libgfor_cv_no_as_needed_option="--no-as-needed"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,$libgfor_cv_as_needed_option -lm -Wl,$libgfor_cv_no_as_needed_option"
libgfor_cv_have_as_needed=no
ac_c_werror_flag=yes
if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
libgfor_cv_have_as_needed=yes
else
libgfor_cv_have_as_needed=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS="$save_LDFLAGS"
fi
ac_c_werror_flag=$ac_xsave_c_werror_flag
fi
@ -25760,7 +25796,7 @@ fi
$as_echo "$libgfor_cv_have_as_needed" >&6; }
if test "x$libgfor_cv_have_as_needed" = xyes; then
LIBQUADSPEC="%{static-libgfortran:--as-needed} -lquadmath %{static-libgfortran:--no-as-needed}"
LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
else
LIBQUADSPEC="-lquadmath"
fi