sync code with last improvements from OpenBSD

lib/libdrm/mk/config.mk

@@ -0,0 +1,57 @@
+.include <bsd.xconf.mk>
+.include <bsd.own.mk>
+
+CFLAGS+= \
+	-std=gnu99 \
+	-fvisibility=hidden \
+	-Wall \
+	-Wdeclaration-after-statement \
+	-Werror=implicit-function-declaration \
+	-Werror=undef \
+	-Wextra \
+	-Winit-self \
+	-Winline \
+	-Winvalid-pch \
+	-Wmissing-declarations \
+	-Wmissing-format-attribute \
+	-Wmissing-prototypes \
+	-Wnested-externs \
+	-Wno-attributes \
+	-Wno-long-long \
+	-Wno-missing-field-initializers \
+	-Wno-unused-parameter \
+	-Wold-style-definition \
+	-Wpacked \
+	-Wpointer-arith \
+	-Wshadow \
+	-Wsign-compare \
+	-Wstrict-aliasing=2 \
+	-Wstrict-prototypes \
+	-Wswitch-enum \
+	-Wwrite-strings
+
+CPPFLAGS+= \
+	-DHAVE_ALLOCA_H=0 \
+	-DHAVE_CAIRO=0 \
+	-DHAVE_EXYNOS=0 \
+	-DHAVE_FREEDRENO_KGSL=0 \
+	-DHAVE_LIBDRM_ATOMIC_PRIMITIVES=1 \
+	-DHAVE_LIB_ATOMIC_OPS=0 \
+	-DHAVE_NOUVEAU=0 \
+	-DHAVE_OPEN_MEMSTREAM=1 \
+	-DHAVE_RADEON=1 \
+	-DHAVE_SYS_SELECT_H=1 \
+	-DHAVE_SYS_SYSCTL_H=1 \
+	-DHAVE_VALGRIND=0 \
+	-DHAVE_VC4=0 \
+	-DHAVE_VISIBILITY=1 \
+	-DHAVE_VMWGFX=0 \
+	-DUDEV=0
+
+.if ${MACHINE} == "amd64" || ${MACHINE} == "i386"
+WITH_INTEL=yes
+CPPFLAGS+= -DHAVE_INTEL=1
+.else
+WITH_INTEL=no
+CPPFLAGS+= -DHAVE_INTEL=0
+.endif