From 5084fa040939965c655da0af9239a656d0065eca Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@apple.com>
Date: Mon, 12 Mar 2012 20:58:14 +0000
Subject: [PATCH] Use a posix compliant regexp in export file construction.

Patch by John Spencer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152574 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.rules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.rules b/Makefile.rules
index 6fd3249fcb1..76cec18ff8a 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -1070,7 +1070,7 @@ ifeq ($(HAVE_LINK_VERSION_SCRIPT),1)
 NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE)).map
 $(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
 	$(Verb) echo "{" > $@
-	$(Verb) grep -q "\<" $< && echo "  global:" >> $@ || :
+	$(Verb) grep -q '[[:alnum:]_]' $< && echo "  global:" >> $@ || :
 	$(Verb) sed -e 's/$$/;/' -e 's/^/    /' < $< >> $@
 ifneq ($(HOST_OS),OpenBSD)
 	$(Verb) echo "  local: *;" >> $@
-- 
2.34.1