From ae58795c44bfaa5135e4b8f33dfd5777accdb9ef Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sat, 3 Jan 2015 21:12:48 +0200
Subject: [PATCH] unix: Enable -fno-crossjumping for fast build.

Confirmed that it improves perfomance of simple "for i in range(N): pass"
loop by 15% on Core2.
---
 unix/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix/Makefile b/unix/Makefile
index ab68760546..e7e0d354b0 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -133,4 +133,4 @@ uninstall:
 # build synthetically fast interpreter for benchmarking
 fast:
 	@echo Make sure to run make -B
-	$(MAKE) COPT="-O2 -DNDEBUG" CFLAGS_EXTRA='-DMP_CONFIGFILE="<mpconfigport_fast.h>"' BUILD=build-fast
+	$(MAKE) COPT="-O2 -DNDEBUG -fno-crossjumping" CFLAGS_EXTRA='-DMP_CONFIGFILE="<mpconfigport_fast.h>"' BUILD=build-fast