Demos (master): Allow builders to specify GLEW_CFLAGS & GLEW_LIBS

[Alan Coopersmith]

Module: Demos
Branch: master
Commit: ece7bd949dd68641d5f88d678bc6c02fa51e657e
URL:    http://cgit.freedesktop.org/mesa/demos/commit/?id=ece7bd949dd68641d5f88d678bc6c02fa51e657e

Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Thu Dec 30 09:04:51 2010 -0800

Allow builders to specify GLEW_CFLAGS & GLEW_LIBS

configure --help says that builders can set those variables to override
pkgconfig settings, but configure.ac was overwriting those before calling
PKG_CHECK_MODULES

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

---

 configure.ac |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index f186659..49cd80f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,17 +81,15 @@ AC_CHECK_LIB([glut],
 		[],
 		[glut_enabled=no])
 
-GLEW_CFLAGS=""
-GLEW_LIBS="-lGLEW"
 dnl Include a fallback path for GLEW for the moment while not all distros
 dnl have picked up the .pc file.
 PKG_CHECK_MODULES(GLEW, [glew], [], [
 		  AC_CHECK_HEADER([GL/glew.h],
-		  [],
-		  AC_MSG_ERROR([GLEW required]))
+				  [GLEW_CFLAGS=""],
+				  AC_MSG_ERROR([GLEW required]))
 		  AC_CHECK_LIB([GLEW],
 			       [glewInit],
-			       [],
+			       [GLEW_LIBS="-lGLEW"],
 			       AC_MSG_ERROR([GLEW required]))
 		  ])
 DEMO_CFLAGS="$DEMO_CFLAGS $GLEW_CFLAGS"