Detect that ldexpl does not work on MacOS X 10.4/PowerPC.

[gnulib.git] / m4 / execute.m4

diff --git a/m4/execute.m4 b/m4/execute.m4
index 6221290..d376dc2 100644 (file)
--- a/m4/execute.m4
+++ b/m4/execute.m4
@@ -1,5 +1,5 @@
-# execute.m4 serial 1
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
+# execute.m4 serial 2
+dnl Copyright (C) 2003, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -11,5 +11,13 @@ AC_DEFUN([gl_EXECUTE],
   AC_REQUIRE([AC_TYPE_MODE_T])
   AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_REQUIRE([AC_FUNC_FORK])
-  AC_CHECK_FUNCS(posix_spawn)
+  AC_CHECK_FUNC([posix_spawn],
+    [gl_POSIX_SPAWN_WORKS
+     case "$gl_cv_func_posix_spawn_works" in
+       *yes)
+         AC_DEFINE([HAVE_POSIX_SPAWN], 1,
+           [Define if you have the posix_spawn() function and it works.])
+         ;;
+     esac
+    ])
 ])