3 files changed, 7 insertions, 9 deletions
diff --git a/src/gallium/winsys/radeon/drm/Makefile b/src/gallium/winsys/radeon/drm/Makefile
index 913e6ad186a..68b9efebfa4 100644
--- a/src/gallium/winsys/radeon/drm/Makefile
+++ b/src/gallium/winsys/radeon/drm/Makefile
@@ -4,10 +4,8 @@ include $(TOP)/configs/current
 
 LIBNAME = radeonwinsys
 
-C_SOURCES = \
-	radeon_drm_bo.c \
-	radeon_drm_cs.c \
-	radeon_drm_winsys.c
+# get C_SOURCES
+include Makefile.sources
 
 LIBRARY_INCLUDES = -I$(TOP)/include \
 		   $(shell pkg-config libdrm --cflags-only-I)
diff --git a/src/gallium/winsys/radeon/drm/Makefile.sources b/src/gallium/winsys/radeon/drm/Makefile.sources
new file mode 100644
index 00000000000..1d18d6164d5
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/Makefile.sources
@@ -0,0 +1,4 @@
+C_SOURCES := \
+	radeon_drm_bo.c \
+	radeon_drm_cs.c \
+	radeon_drm_winsys.c
diff --git a/src/gallium/winsys/radeon/drm/SConscript b/src/gallium/winsys/radeon/drm/SConscript
index 2edb1e94645..e5048d6255d 100644
--- a/src/gallium/winsys/radeon/drm/SConscript
+++ b/src/gallium/winsys/radeon/drm/SConscript
@@ -2,11 +2,7 @@ Import('*')
 
 env = env.Clone()
 
-radeon_sources = [
-    'radeon_drm_bo.c',
-    'radeon_drm_cs.c',
-    'radeon_drm_winsys.c',
-]
+radeon_sources = env.ParseSourceList('Makefile.sources', 'C_SOURCES')
 
 env.PkgUseModules('DRM')