+DRI_DRIVER_SEARCH_DIR = @DRI_DRIVER_SEARCH_DIR@
+
+# Xorg driver install directory (for xorg state-tracker)
+XORG_DRIVER_INSTALL_DIR = @XORG_DRIVER_INSTALL_DIR@
+
+# pkg-config substitutions
+GL_PC_REQ_PRIV = @GL_PC_REQ_PRIV@
+GL_PC_LIB_PRIV = @GL_PC_LIB_PRIV@
+GL_PC_CFLAGS = @GL_PC_CFLAGS@
+DRI_PC_REQ_PRIV = @DRI_PC_REQ_PRIV@
+GLU_PC_REQ = @GLU_PC_REQ@
+GLU_PC_REQ_PRIV = @GLU_PC_REQ_PRIV@
+GLU_PC_LIB_PRIV = @GLU_PC_LIB_PRIV@
+GLU_PC_CFLAGS = @GLU_PC_CFLAGS@
+GLUT_PC_REQ_PRIV = @GLUT_PC_REQ_PRIV@
+GLUT_PC_LIB_PRIV = @GLUT_PC_LIB_PRIV@
+GLUT_PC_CFLAGS = @GLUT_PC_CFLAGS@
+GLW_PC_REQ_PRIV = @GLW_PC_REQ_PRIV@
+GLW_PC_LIB_PRIV = @GLW_PC_LIB_PRIV@
+GLW_PC_CFLAGS = @GLW_PC_CFLAGS@
+OSMESA_PC_REQ = @OSMESA_PC_REQ@
+OSMESA_PC_LIB_PRIV = @OSMESA_PC_LIB_PRIV@