Demos (master): cmake: Don't use gcc specific warnings with g++.

[Jose Fonseca]

Module: Demos
Branch: master
Commit: c6ab4f25e5eb923211f8aab0a4f138267dd1ec6f
URL:    http://cgit.freedesktop.org/mesa/demos/commit/?id=c6ab4f25e5eb923211f8aab0a4f138267dd1ec6f

Author: José Fonseca <jfonseca at vmware.com>
Date:   Wed Nov 19 17:55:07 2014 +0000

cmake: Don't use gcc specific warnings with g++.

Avoids "warning: command line option ‘-W...’ is valid for Ada/C/ObjC but not for
C++".

Reviewed-by: Roland Scheidegger <sroland at vmware.com>

---

 CMakeLists.txt |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3e217f..57a46f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,16 +72,13 @@ if (CMAKE_COMPILER_IS_GNUCC)
 	add_definitions(
 		-Wall
 		-Wpointer-arith
-		-Wstrict-prototypes
-		-Wmissing-prototypes
 		-Wmissing-declarations
-		-Wnested-externs
 		-fno-strict-aliasing
-		-Wbad-function-cast
 		#-Wold-style-definition
 		#-Wdeclaration-after-statement
         )
-endif (CMAKE_COMPILER_IS_GNUCC)
+	set (CMAKE_C_FLAGS "-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Wbad-function-cast ${CMAKE_CXX_FLAGS}")
+endif ()
 
 if (WIN32)
 	# Nobody likes to include windows.h: