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-rw-r--r--config/sjlj.m412
1 files changed, 12 insertions, 0 deletions
diff --git a/config/sjlj.m4 b/config/sjlj.m4
new file mode 100644
index 0000000..71c8b31
--- /dev/null
+++ b/config/sjlj.m4
@@ -0,0 +1,12 @@
+dnl Check if the compiler is configured for setjmp/longjmp exceptions.
+AC_DEFUN([GCC_CHECK_SJLJ_EXCEPTIONS],
+ [AC_CACHE_CHECK([whether the compiler is configured for setjmp/longjmp exceptions],
+ ac_cv_sjlj_exceptions,
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#ifdef __USING_SJLJ_EXCEPTIONS__
+ this will fail
+ #endif]],
+ [[int i;]])],
+ [ac_cv_sjlj_exceptions=no],
+ [ac_cv_sjlj_exceptions=yes])])])