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| author | Ivan Maidanski <ivmai@mail.ru> | 2017-03-23 11:45:31 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2017-03-23 11:45:41 +0300 |
| commit | 1468a6f45408ba22e678f7c954b6192cbcbc087a (patch) | |
| tree | 829e81ac675d199e3734be6c77b15c5f9048c75b /configure.ac | |
| parent | ee1bc34de304eb6e012750cedd63a534485b5f08 (diff) | |
| download | bdwgc-1468a6f45408ba22e678f7c954b6192cbcbc087a.tar.gz | |
Detect sigsetjmp() availability by configure
* configure.ac (AC_TRY_LINK(sigsetjmp)): Add (define GC_NO_SIGSETJMP
if sigsetjmp is not available).
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7561e1fa..94e6fbcc 100644 --- a/configure.ac +++ b/configure.ac @@ -795,6 +795,17 @@ if test x"$have_dladdr" = xyes; then AC_DEFINE([HAVE_DLADDR], 1, [Define to use 'dladdr' function.]) fi +# sigsetjmp could be a macro (thus AC_CHECK_FUNCS cannot be used). +AC_MSG_CHECKING(for sigsetjmp) +old_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $CFLAGS_EXTRA" +AC_TRY_LINK([#include <setjmp.h>], + [sigjmp_buf t; sigsetjmp(t, 0)], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + AC_DEFINE([GC_NO_SIGSETJMP], [1], [Missing sigsetjmp])]) +CFLAGS="$old_CFLAGS" + # Check for AViiON Machines running DGUX ac_is_dgux=no AC_CHECK_HEADER(sys/dg_sys_info.h, |