diff options
Diffstat (limited to 'libbacktrace/configure.ac')
| -rw-r--r-- | libbacktrace/configure.ac | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac index 6867ecffb89..534f9276cdb 100644 --- a/libbacktrace/configure.ac +++ b/libbacktrace/configure.ac @@ -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 |