(merge from 3.5) Issue #27453: CPP invocation in configure must use CPPFLAGS.

Patch by Chi Hsuan Yen.

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index da98f69..9970a0d 100755
--- a/configure
+++ b/configure
@@ -5370,7 +5370,7 @@ cat >> conftest.c <<EOF
 
 EOF
 
-if $CPP conftest.c >conftest.out 2>/dev/null; then
+if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
   PLATFORM_TRIPLET=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' 	'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PLATFORM_TRIPLET" >&5
 $as_echo "$PLATFORM_TRIPLET" >&6; }