Bug 1334268 - Fix regex escaping in js/src/old-configure. r=glandium

MozReview-Commit-ID: Dgyv3mFHeOb

--HG--
extra : rebase_source : 7b4df85565277055014fefaaf06cfbdc2c9950fa

js/src/old-configure.in

@@ -699,12 +699,14 @@ 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.

old-configure.in

@@ -992,12 +992,14 @@ 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
             if test -z `echo $CXXFLAGS | grep -i [-/]arch:`; then
               CXXFLAGS="$CXXFLAGS -arch:SSE2"
             fi
+            changequote([,])
             SSE_FLAGS="-arch:SSE"
             SSE2_FLAGS="-arch:SSE2"
             dnl MSVC allows the use of intrinsics without any flags