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-rw-r--r--shared/drm.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/shared/drm.h b/shared/drm.h
index ac9f407a..5faf2bae 100644
--- a/shared/drm.h
+++ b/shared/drm.h
@@ -47,10 +47,26 @@
#define XFREE86_VERSION(major,minor,patch,snap) \
((major << 16) | (minor << 8) | patch)
+#define __DRM_STRINGIFY(x) #x
+#define DRM_STRINGIFY(x) __DRM_STRINGIFY(x)
+
#ifndef CONFIG_XFREE86_VERSION
+/* If CONFIG_XFREE86_VERSION is defined, these must also be defined */
+#define CONFIG_XFREE86_MAJOR 4
+#define CONFIG_XFREE86_MINOR 1
+#define CONFIG_XFREE86_PATCH 0
+
#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
#endif
+#define XF86_MAJ_STR DRM_STRINGIFY(CONFIG_XFREE86_MAJOR)
+#define XF86_MIN_STR DRM_STRINGIFY(CONFIG_XFREE86_MINOR)
+#define XF86_PATCH_STR DRM_STRINGIFY(CONFIG_XFREE86_PATCH)
+
+#ifndef CONFIG_XFREE86_VERSION_STR
+#define CONFIG_XFREE86_VERSION_STR "-"##XF86_MAJ_STR##"_"##XF86_MIN_STR##"_"##XF86_PATCH_STR
+#endif
+
#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
#define DRM_PROC_DEVICES "/proc/devices"
#define DRM_PROC_MISC "/proc/misc"