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intel: Add a configure option to *disable* building libdrm-intel 

In conjunction with the atomic operation patch, it may be more
convenient for some people to disable building libdrm-intel and its
dependencies upon the atomic intrinsics then it is for them to use a
supported compiler.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
main
Chris Wilson 2009-10-03 22:56:04 +01:00
parent 61bddf8504
commit ab3300c581
2 changed files with 28 additions and 15 deletions
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25
configure.ac
View File

@ -43,6 +43,11 @@ AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev],
[Enable support for using udev instead of mknod (default: disabled)]),
[UDEV=$enableval], [UDEV=no])
AC_ARG_ENABLE(intel,
AS_HELP_STRING([--disable-intel],
[Enable support for intel's KMS API (default: enabled)]),
[INTEL=$enableval], [INTEL=yes])
AC_ARG_ENABLE(nouveau-experimental-api,
AS_HELP_STRING([--enable-nouveau-experimental-api],
[Enable support for nouveau's experimental API (default: disabled)]),
@ -146,21 +151,25 @@ if test "x$HAVE_LIBUDEV" = xyes; then
fi
AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
# Check for atomic intrinsics
AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
[
AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
if test "x$INTEL" = xyes; then
# Check for atomic intrinsics
AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
[
drm_cv_atomic_primitives="none"
AC_TRY_LINK([
int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
], [],
int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
], [],
drm_cv_atomic_primitives="Intel"
)
])
if test "x$drm_cv_atomic_primitives" = xIntel; then
])
if test "x$drm_cv_atomic_primitives" = xIntel; then
AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
[Enable if your compiler supports the Intel __sync_* atomic primitives])
fi
fi
AC_SUBST(WARN_CFLAGS)

6
libdrm/Makefile.am
View File

@ -18,6 +18,10 @@
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
if HAVE_INTEL
INTEL_SUBDIR = intel
endif
if HAVE_NOUVEAU
NOUVEAU_SUBDIR = nouveau
endif
@ -26,7 +30,7 @@ if HAVE_RADEON
RADEON_SUBDIR = radeon
endif
SUBDIRS = . intel $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR)
SUBDIRS = . $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR)
libdrm_la_LTLIBRARIES = libdrm.la
libdrm_ladir = $(libdir)