On 30 Jul 2015 15:30, Patrik Jakobsson wrote: > On Thu, Jul 23, 2015 at 05:48:21AM -0400, Mike Frysinger wrote: > > On 01 Jul 2015 14:52, Patrik Jakobsson wrote: > > > Use pkg-config to try to find libdrm. If that fails use the standard > > > include directory for kernel drm headers in /usr/include/drm. > > > > > > * configure.ac: Use pkg-config to find libdrm > > > > > > Signed-off-by: Patrik Jakobsson <patrik.jakobsson@xxxxxxxxxxxxxxx> > > > --- > > > configure.ac | 4 ++++ > > > 1 file changed, 4 insertions(+) > > > > > > diff --git a/configure.ac b/configure.ac > > > index bb8bf46..aa63af7 100644 > > > --- a/configure.ac > > > +++ b/configure.ac > > > @@ -844,6 +844,10 @@ fi > > > AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes]) > > > AC_MSG_RESULT([$use_libunwind]) > > > > > > +PKG_CHECK_MODULES([libdrm], [libdrm], > > > + [CPPFLAGS="$CPPFLAGS $libdrm_CFLAGS"], > > > + [CPPFLAGS="$CPPFLAGS -I/usr/include/drm"]) > > > > yikes, no, this is a really really bad idea. it should read: > > PKG_CHECK_MODULES([LIBDRM], [libdrm], > > [CPPFLAGS="$CPPFLAGS $LIBDRM_CFLAGS"], [:]) > > I take it you don't want me to fallback on kernel headers and skip > compiling with drm support if libdrm is not available? you cannot hardcode any path at all. if the kernel headers provide all of the defines/structs that you need, then just include them directly via #include <drm/xxx.h>. -mike
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