1dnl Check if the compiler is configured for setjmp/longjmp exceptions. 2AC_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])])]) 13