Fix regex escaping in old-configure and js/src/old-configure

1 files changed, 3 insertions, 1 deletions

diff --git a/js/src/old-configure.in b/js/src/old-configure.in
index 162a071d7..8abea5956 100644
--- a/js/src/old-configure.in
+++ b/js/src/old-configure.in
@@ -734,12 +734,14 @@ case "$target" in
           dnl VS2012+ defaults to -arch:SSE2. We want to target nothing
           dnl more recent, so set that explicitly here unless another
           dnl target arch has already been set.
+          changequote(,)
           if test -z `echo $CFLAGS | grep -i [-/]arch:` ; then
             CFLAGS="$CFLAGS -arch:SSE2"
-            fi
+          fi
           if test -z `echo $CXXFLAGS | grep -i [-/]arch:` ; then
             CXXFLAGS="$CXXFLAGS -arch:SSE2"
           fi
+          changequote([,])
         fi
         dnl VS2013+ requires -FS when parallel building by make -jN.
         dnl If nothing, compiler sometimes causes C1041 error.