"apply a fix for the m4 spawning problem"

bison/bison.patch

@@ -29,3 +29,26 @@ Index: data/yacc.c
  ]b4_locations_if(
  [[  /* Default location.  */
  
+----------------------------------------------------------------------------
+
+Fix for FreeBSD 8:
+
+Index: lib/spawn.in.h
+--- lib/spawn.in.h.orig	2010-03-17 20:17:04.000000000 +0100
++++ lib/spawn.in.h	2010-03-31 11:48:16.000000000 +0200
+@@ -110,6 +110,7 @@
+ 
+ 
+ /* Flags to be set in the `posix_spawnattr_t'.  */
++#if !@HAVE_POSIX_SPAWN@
+ #if @REPLACE_POSIX_SPAWN@
+ /* Use the values from the system, for better compatibility.  */
+ /* But this implementation does not support AIX extensions.  */
+@@ -122,6 +123,7 @@
+ # define POSIX_SPAWN_SETSCHEDPARAM      0x10
+ # define POSIX_SPAWN_SETSCHEDULER       0x20
+ #endif
++#endif
+ /* A GNU extension.  Use the next free bit position.  */
+ #define POSIX_SPAWN_USEVFORK \
+   ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1)                   \

bison/bison.spec

@@ -36,7 +36,7 @@ Class:        CORE
 Group:        CompilerCompiler
 License:      GPL
 Version:      %{V_new}
-Release:      20100321
+Release:      20100331
 
 #   package options
 %option       with_old   no