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-rw-r--r--configure.ac8
-rw-r--r--src/sna/Makefile.am7
-rw-r--r--src/sna/sna_driver.c10
3 files changed, 25 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index fbd46a72..089fbdb0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,6 +59,14 @@ m4_ifndef([XORG_DRIVER_CHECK_EXT],
LT_PREREQ([2.2])
LT_INIT([disable-static])
+# Are we in a git checkout?
+dot_git=no
+if test -e .git; then
+ AC_DEFINE(HAVE_DOT_GIT, 1, [Are we in a git checkout?])
+ dot_git=yes
+fi
+AM_CONDITIONAL(HAVE_DOT_GIT, test x$dot_git = xyes)
+
PKG_CHECK_MODULES(GEN4ASM, [intel-gen4asm >= 1.2], [gen4asm=yes], [gen4asm=no])
AM_CONDITIONAL(HAVE_GEN4ASM, test x$gen4asm = xyes)
diff --git a/src/sna/Makefile.am b/src/sna/Makefile.am
index daf4e98c..bacb98fa 100644
--- a/src/sna/Makefile.am
+++ b/src/sna/Makefile.am
@@ -99,3 +99,10 @@ libsna_la_SOURCES += \
kgem_debug_gen6.c \
$(NULL)
endif
+
+if HAVE_DOT_GIT
+git_version.h: $(top_builddir)/.git/HEAD $(shell sed -e '/ref:/!d' -e 's#ref: *#$(top_builddir)/.git/#' < $(top_builddir)/.git/HEAD)
+ @echo "Recording git-tree used for compilation: `git describe`"
+ @V=`git describe`; echo "static const char git_version[] = \"$$V\";" > git_version.h
+sna_driver.c: git_version.h
+endif
diff --git a/src/sna/sna_driver.c b/src/sna/sna_driver.c
index 107659b8..36f40194 100644
--- a/src/sna/sna_driver.c
+++ b/src/sna/sna_driver.c
@@ -71,6 +71,10 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <sys/poll.h>
#include "i915_drm.h"
+#if HAVE_DOT_GIT
+#include "git_version.h"
+#endif
+
#if DEBUG_DRIVER
#undef DBG
#define DBG(x) ErrorF x
@@ -1013,6 +1017,12 @@ void sna_init_scrn(ScrnInfoPtr scrn, int entity_num)
{
EntityInfoPtr entity;
+#if HAVE_DOT_GIT
+ xf86DrvMsg(scrn->scrnIndex, X_INFO,
+ "SNA compiled from %s\n",
+ git_version);
+#endif
+
DBG(("%s\n", __FUNCTION__));
sna_device_key = xf86AllocateEntityPrivateIndex();