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re PR target/55061 (libbacktrace build fails during bootstrap on powerpc-apple-darwin9) 

PR target/55061
	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	* configure: Regenerate.

From-SVN: r192853
This commit is contained in:
Jack Howarth 2012-10-26 17:34:59 +00:00 committed by Ian Lance Taylor
parent 24db014b40
commit 385710cf27
3 changed files with 40 additions and 5 deletions
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6
libbacktrace/ChangeLog
View File

@ -1,3 +1,9 @@
2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
PR target/55061
* configure.ac: Check for _Unwind_GetIPInfo function declaration.
* configure: Regenerate.
2012-10-24 Ian Lance Taylor <iant@google.com>
PR target/55061

25
libbacktrace/configure vendored
View File

@ -11619,13 +11619,32 @@ $as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h
fi
else
ac_fn_c_check_func "$LINENO" "_Unwind_GetIPInfo" "ac_cv_func__Unwind_GetIPInfo"
if test "x$ac_cv_func__Unwind_GetIPInfo" = x""yes; then :
ac_save_CFFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _Unwind_GetIPInfo" >&5
$as_echo_n "checking for _Unwind_GetIPInfo... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include "unwind.h"
struct _Unwind_Context *context;
int ip_before_insn = 0;
int
main ()
{
return _Unwind_GetIPInfo (context, &ip_before_insn);
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
have_unwind_getipinfo=yes
else
have_unwind_getipinfo=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$ac_save_CFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_unwind_getipinfo" >&5
$as_echo "$have_unwind_getipinfo" >&6; }
if test "$have_unwind_getipinfo" = "yes"; then
$as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h

14
libbacktrace/configure.ac
View File

@ -129,8 +129,18 @@ AC_SUBST(WARN_FLAGS)
if test -n "${with_target_subdir}"; then
GCC_CHECK_UNWIND_GETIPINFO
else
AC_CHECK_FUNC(_Unwind_GetIPInfo, [have_unwind_getipinfo=yes],
[have_unwind_getipinfo=no])
ac_save_CFFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
AC_MSG_CHECKING([for _Unwind_GetIPInfo])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include "unwind.h"
struct _Unwind_Context *context;
int ip_before_insn = 0;],
[return _Unwind_GetIPInfo (context, &ip_before_insn);])],
[have_unwind_getipinfo=yes], [have_unwind_getipinfo=no])
CFLAGS="$ac_save_CFLAGS"
AC_MSG_RESULT([$have_unwind_getipinfo])
if test "$have_unwind_getipinfo" = "yes"; then
AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
fi