egl: add HAVE_LIBDRM define, fix EGL X11 platform

Graphics / Mesa 3D Graphics Library / Mesa - Tapani Pälli [intel.com] - 3 December 2013 11:21 UTC

Commit a594cec broke EGL X11 backend by adding dependency between X11 and DRM backends requiring HAVE_EGL_PLATFORM_DRM defined for X11.

This patch fixes the issue by adding additional define for libdrm detection independent of which backend is being compiled. Tested by compiling Mesa with '--with-egl-platforms=x11' and running es2gears_x11 + glbenchmark2.7 successfully.

v2: return true for dri2_auth if running without libdrm (Samuel)
v3: check libdrm when building EGL drm platform + AM_CFLAGS fix (Emil)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72062

a057b83 egl: add HAVE_LIBDRM define, fix EGL X11 platform
configure.ac | 5 +++++
src/egl/drivers/dri2/platform_x11.c | 9 +++------
2 files changed, 8 insertions(+), 6 deletions(-)

Upstream: cgit.freedesktop.org

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