# Where libGL will look for DRI hardware drivers
DRI_DRIVER_SEARCH_DIR = $(DRI_DRIVER_INSTALL_DIR)
+# pkg-config substitutions
+GL_PC_REQ_PRIV =
+GL_PC_LIB_PRIV =
+GL_PC_CFLAGS =
+DRI_PC_REQ_PRIV =
+GLU_PC_REQ = gl
+GLU_PC_REQ_PRIV =
+GLU_PC_LIB_PRIV =
+GLU_PC_CFLAGS =
+GLUT_PC_REQ_PRIV =
+GLUT_PC_LIB_PRIV =
+GLUT_PC_CFLAGS =
+GLW_PC_REQ_PRIV =
+GLW_PC_LIB_PRIV =
+GLW_PC_CFLAGS =
+OSMESA_PC_REQ =
+OSMESA_PC_LIB_PRIV =