sync code with last improvements from OpenBSD

lib/mesa/mk/libpipe_loader_static/Makefile

@@ -0,0 +1,32 @@
+#	$OpenBSD: Makefile,v 1.2 2023/01/28 08:56:35 jsg Exp $
+
+.include <bsd.xconf.mk>
+
+LIB=	pipe_loader_static
+
+NOPROFILE=
+
+SRCS=	pipe_loader.c \
+	pipe_loader_drm.c \
+	pipe_loader_sw.c
+
+.include "../Makefile.inc"
+
+CFLAGS+=	${C_VIS_ARGS}
+CPPFLAGS+=	-DDROP_PIPE_LOADER_MISC \
+		-DGALLIUM_STATIC_TARGETS=1 \
+		-I${MESA_SRC}/src/gallium/include \
+		-I${MESA_SRC}/src/gallium/auxiliary \
+		-I${MESA_SRC}/src/gallium/auxiliary/pipe-loader \
+		-I${MESA_SRC}/src/gallium/winsys \
+		-I${MESA_SRC}/src/loader \
+		-I${MESA_SRC}/generated/src/util
+
+install:
+
+obj: _xenocara_obj
+
+.include <bsd.lib.mk>
+.include <bsd.xorg.mk>
+
+.PATH:	${MESA_SRC}/src/gallium/auxiliary/pipe-loader