config/sjlj.m4

   1 dnl Check if the compiler is configured for setjmp/longjmp exceptions.
   2 AC_DEFUN([GCC_CHECK_SJLJ_EXCEPTIONS],
   3   [AC_CACHE_CHECK([whether the compiler is configured for setjmp/longjmp exceptions],
   4     ac_cv_sjlj_exceptions,
   5     [AC_COMPILE_IFELSE(
   6       [AC_LANG_PROGRAM(
   7         [[#ifdef __USING_SJLJ_EXCEPTIONS__
   8           this will fail
   9           #endif]],
  10         [[int i;]])],
  11       [ac_cv_sjlj_exceptions=no],
  12       [ac_cv_sjlj_exceptions=yes])])])