diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 5dab7d6960..77e91e30c7 100644 --- a/configure.in +++ b/configure.in @@ -1219,6 +1219,19 @@ EOF AC_DEFINE(HAVE_INITFINI_ARRAY) fi + AC_CACHE_CHECK(for libunwind-support in compiler, + libc_cv_cc_with_libunwind, [dnl + AC_TRY_LINK([#include <libunwind.h>], [ + unw_context_t uc; + unw_cursor_t c; + unw_getcontext (&uc); + unw_init_local (&c, &uc)], + libc_cv_cc_with_libunwind=yes, libc_cv_cc_with_libunwind=no)]) + AC_SUBST(libc_cv_cc_with_libunwind) + if test $libc_cv_cc_with_libunwind = yes; then + AC_DEFINE(HAVE_CC_WITH_LIBUNWIND) + fi + AC_CACHE_CHECK(for -z nodelete option, libc_cv_z_nodelete, [dnl cat > conftest.c <<EOF |