From f705456744fe4beb193d27eb64fa9157102db753 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@sun.com>
Date: Wed, 19 Apr 2006 21:40:42 -0700
Subject: [PATCH] Only set CWARNFLAGS to gnu flags if $GCC is set. Otherwise
 check for Sun compiler and use its enhanced warning flag.

---
 configure.ac | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index f445683..ccd549a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,8 +106,15 @@ AC_HELP_STRING([--without-debug],    [compile without debugging]),
 AC_CACHE_CHECK([what debugging options to apply], [CDEBUGFLAGS], [CDEBUGFLAGS="-g"])
 AC_SUBST(CDEBUGFLAGS)
 
-CWARNFLAGS="-Wall -pedantic -Wpointer-arith \
-	-Wstrict-prototypes -Wmissing-declarations -Wnested-externs"
+if  test "x$GCC" = xyes ; then
+    CWARNFLAGS="-Wall -pedantic -Wpointer-arith \
+		-Wstrict-prototypes -Wmissing-declarations -Wnested-externs"
+else
+    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+    if test "x$SUNCC" = "xyes"; then
+	CWARNFLAGS="-v"
+    fi
+fi
 AC_SUBST(CWARNFLAGS)
 
 GCC_CHECK_VISIBILITY()
-- 
2.34.1