FYI, Both: Alloca

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * src/system.h: Include alloca.h.
        * src/main.c (main) [C_ALLOCA]: Call alloca (0).

Index: src/main.c
===================================================================
RCS file: /cvsroot/bison/bison/src/main.c,v
retrieving revision 1.30.2.8
diff -u -u -r1.30.2.8 main.c
--- src/main.c 2001/11/14 14:14:48 1.30.2.8
+++ src/main.c 2001/11/23 14:11:15
@@ -117,6 +117,12 @@

   output_files ();

+  /* If using alloca.c, flush the alloca'ed memory for the benefit of
+     people running Bison as a library in IDEs.  */
+#if C_ALLOCA
+    alloca (0);
+#endif
+
   return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS;
 }
 
Index: src/system.h
===================================================================
RCS file: /cvsroot/bison/bison/src/system.h,v
retrieving revision 1.23.2.7
diff -u -u -r1.23.2.7 system.h
--- src/system.h 2001/11/19 09:14:54 1.23.2.7
+++ src/system.h 2001/11/23 14:11:15
@@ -79,6 +79,21 @@
 extern int errno;
 #endif

+/* AIX requires this to be the first thing in the file.  */
+#ifndef __GNUC__
+# if HAVE_ALLOCA_H
+#  include <alloca.h>
+# else
+#  ifdef _AIX
+ #pragma alloca
+#  else
+#   ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#   endif
+#  endif
+# endif
+#endif
+
 #if PROTOTYPES
 # define PARAMS(p) p
 #else