diff options
Diffstat (limited to 'gdbsupport/common.m4')
| -rw-r--r-- | gdbsupport/common.m4 | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gdbsupport/common.m4 b/gdbsupport/common.m4 index c265a9b..4d73938 100644 --- a/gdbsupport/common.m4 +++ b/gdbsupport/common.m4 @@ -127,11 +127,20 @@ AC_DEFUN([GDB_AC_COMMON], [ dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't dnl do since sigsetjmp might only be defined as a macro. - AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp, - [AC_TRY_COMPILE([ - #include <setjmp.h> - ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);], - gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)]) + AC_CACHE_CHECK( + [for sigsetjmp], + [gdb_cv_func_sigsetjmp], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [#include <setjmp.h>], + [sigjmp_buf env; + while (! sigsetjmp (env, 1)) + siglongjmp (env, 1);] + )], + [gdb_cv_func_sigsetjmp=yes], + [gdb_cv_func_sigsetjmp=no] + )] + ) if test "$gdb_cv_func_sigsetjmp" = "yes"; then AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ]) fi |