From 7318db6b80eebdf1878ead5d9bea2e6c9c7105a5 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Wed, 4 Apr 2007 02:52:50 +0000
Subject: [PATCH] (NON_GNU_CPP): Use associated preprocessor when compiling
 with Sun Studio on Solaris.

---
 configure.in | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 75f02f7b7de..d68c8aa841d 100644
--- a/configure.in
+++ b/configure.in
@@ -1030,7 +1030,12 @@ dnl see the `changequote' comment above.
 		;;
       *-sunos5* | *-solaris* )
 		opsys=sol2-6
-		NON_GNU_CPP=/usr/ccs/lib/cpp
+		if [ "x$CC" = x/opt/SUNWspro/bin/cc ]; then
+		  ## -Xs prevents spurious whitespace.
+		  NON_GNU_CPP="/opt/SUNWspro/bin/cc -E -Xs"
+		else
+		  NON_GNU_CPP=/usr/ccs/lib/cpp
+		fi
 		;;
       *			  ) opsys=bsd4-2   ;;
     esac
-- 
2.39.5