package/nvidia-driver: Add gl.pc

In order to compile xserver, libgl provider have to provide gl.pc file.

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/nvidia-driver/gl.pc

@@ -0,0 +1,11 @@
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: gl
+Description: Nvidia OpenGL library
+Version: 10.4.2
+Libs: -L${libdir} -lGL -lm -lXext -lX11 -ldl
+Cflags: -I${includedir}  -DMESA_EGL_NO_X11_HEADERS
+glx_tls: no

package/nvidia-driver/nvidia-driver.mk

@@ -102,6 +102,7 @@ define NVIDIA_DRIVER_INSTALL_STAGING_CMDS
 	$(SED) 's:__GENERATED_BY__:Buildroot:' $(STAGING_DIR)/usr/lib/libGL.la
 	$(SED) 's:__LIBGL_PATH__:/usr/lib:' $(STAGING_DIR)/usr/lib/libGL.la
 	$(SED) 's:-L[^[:space:]]\+::' $(STAGING_DIR)/usr/lib/libGL.la
+	$(INSTALL) -D -m 0644 package/nvidia-driver/gl.pc $(STAGING_DIR)/usr/lib/pkgconfig/gl.pc
 endef
 
 # For target, install libraries and X.org modules