From 91e9807704ac86299c6e1b4d0756afe3de80d040 Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Thu, 27 Jan 2011 20:14:02 +0000
Subject: fix AS detection on (from FreeBSD)

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@524 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 GNUmakefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'GNUmakefile')

diff --git a/GNUmakefile b/GNUmakefile
index 62f2f60..af6554e 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -28,9 +28,9 @@ GCC42_OR_LATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -c "^gcc version (4.[2-9]|[5-
 INTEL_COMPILER = $(shell $(CXX) --version 2>&1 | $(EGREP) -c "\(ICC\)")
 ICC111_OR_LATER = $(shell $(CXX) --version 2>&1 | $(EGREP) -c "\(ICC\) ([2-9][0-9]|1[2-9]|11\.[1-9])")
 IS_SUN_CC = $(shell $(CXX) -V 2>&1 | $(EGREP) -c "CC: Sun")
-GAS210_OR_LATER = $(shell echo "" | $(AS) -v 2>&1 | $(EGREP) -c "GNU assembler version (2\.[1-9][0-9]|[3-9])")
-GAS217_OR_LATER = $(shell echo "" | $(AS) -v 2>&1 | $(EGREP) -c "GNU assembler version (2\.1[7-9]|2\.[2-9]|[3-9])")
-GAS219_OR_LATER = $(shell echo "" | $(AS) -v 2>&1 | $(EGREP) -c "GNU assembler version (2\.19|2\.[2-9]|[3-9])")
+GAS210_OR_LATER = $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.[1-9][0-9]|[3-9])")
+GAS217_OR_LATER = $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.1[7-9]|2\.[2-9]|[3-9])")
+GAS219_OR_LATER = $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.19|2\.[2-9]|[3-9])")
 ISMINGW = $(shell $(CXX) --version 2>&1 | $(EGREP) -c "mingw")
 
 ifneq ($(GCC42_OR_LATER),0)
-- 
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