Mark a couple unused variables.

[rsync/rsync.git] / popt / system.h

diff --git a/popt/system.h b/popt/system.h
index 338be45..02f05c1 100644 (file)
--- a/popt/system.h
+++ b/popt/system.h
@@ -19,6 +19,14 @@
 #include <unistd.h>
 #endif
 
+#if !defined(__GNUC__) || defined(APPLE)
+/* Apparently the OS X port of gcc gags on __attribute__.
+ *
+ * <http://www.opensource.apple.com/bugs/X/gcc/2512150.html> */
+#define __attribute__(x) 
+
+#endif
+
 #ifdef __NeXT
 /* access macros are not declared in non posix mode in unistd.h -
  don't try to use posix on NeXTstep 3.3 ! */
@@ -41,8 +49,15 @@
 #  ifdef _AIX
 #pragma alloca
 #  else
-#   ifndef alloca /* predefined by HP cc +Olibcalls */
+#   if HAVE_ALLOCA
+#    ifndef alloca /* predefined by HP cc +Olibcalls */
 char *alloca ();
+#    endif
+#   else
+#    ifdef alloca
+#     undef alloca
+#    endif
+#    define alloca(sz) malloc(sz) /* Kludge this for now */
 #   endif
 #  endif
 # endif
@@ -62,5 +77,6 @@ char *alloca ();
 #define        xstrdup(_str)   strdup(_str)
 #endif  /* HAVE_MCHECK_H && defined(__GNUC__) */
 
+#define UNUSED(x) x __attribute__((__unused__))
 
 #include "popt.h"