diff --git a/acinclude.m4 b/acinclude.m4 index f514b8e..b3c3fa0 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -904,7 +904,8 @@ AC_DEFUN([AC_W3M_SIGSETJMP], [AC_SUBST(HAVE_SIGSETJMP) AC_MSG_CHECKING(for sigsetjmp) AC_TRY_COMPILE( -[#include ], +[#include + #include ], [ jmp_buf env; if (sigsetjmp(env, 1) != 0) { exit(0); } siglongjmp(env, 1);], [have_sigsetjmp="yes"; AC_DEFINE(HAVE_SIGSETJMP)],