configure: allow building drm renderer without driver dependent backends

Since we support the dumb ioctl now, it's useful to build the drm
renderer without support for the individual drivers.

This commit allows for that.

diff --git a/configure.ac b/configure.ac
index d2c60816d11a35467800daa5857d20f4bd80888b..fd2388873a1bf5315bb4a602c89299db0f1a69a7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -199,17 +199,18 @@ if test x$enable_libkms = xyes; then
   AC_DEFINE(PLY_ENABLE_LIBKMS, 1, [Enable support for libkms abstraction over drm drivers])
 fi
 
-DRM_CFLAGS="$DRM_INTEL_CFLAGS $DRM_RADEON_CFLAGS $DRM_NOUVEAU_CFLAGS $LIBKMS_CFLAG"
-DRM_LIBS="$DRM_INTEL_LIBS $DRM_RADEON_LIBS $DRM_NOUVEAU_LIBS $LIBKMS_LIBS"
+AC_ARG_ENABLE(drm, AS_HELP_STRING([--enable-drm-renderer],[enable building drm kms support]),enable_drm_renderer=$enableval,enable_drm_renderer=yes)
+AM_CONDITIONAL(ENABLE_DRM_RENDERER,  [test "$enable_drm_renderer" = yes])
+
+if test x$enable_drm_renderer = xyes; then
+  PKG_CHECK_MODULES(DRM, [libdrm])
+fi
+
+DRM_CFLAGS="$DRM_CFLAGS $DRM_INTEL_CFLAGS $DRM_RADEON_CFLAGS $DRM_NOUVEAU_CFLAGS $LIBKMS_CFLAG"
+DRM_LIBS="$DRM_LIBS $DRM_INTEL_LIBS $DRM_RADEON_LIBS $DRM_NOUVEAU_LIBS $LIBKMS_LIBS"
 AC_SUBST(DRM_CFLAGS)
 AC_SUBST(DRM_LIBS)
 
-AM_CONDITIONAL(ENABLE_DRM_RENDERER,
-               [test x$enable_libdrm_intel = xyes   \
-                  -o x$enable_libdrm_radeon = xyes  \
-                  -o x$enable_libdrm_nouveau = xyes \
-                  -o x$enable_libkms = xyes])
-
 AC_ARG_ENABLE(tracing, AS_HELP_STRING([--enable-tracing],[enable verbose tracing code]),enable_tracing=$enableval,enable_tracing=yes)
 
 if test x$enable_tracing = xyes; then