sync code with last improvements from OpenBSD

lib/libdrm/Android.common.mk

@@ -0,0 +1,22 @@
+# XXX: Consider moving these to config.h analogous to autoconf.
+LOCAL_CFLAGS += \
+	-DMAJOR_IN_SYSMACROS=1 \
+	-DHAVE_ALLOCA_H=0 \
+	-DHAVE_SYS_SELECT_H=0 \
+	-DHAVE_SYS_SYSCTL_H=0 \
+	-DHAVE_VISIBILITY=1 \
+	-fvisibility=hidden \
+	-DHAVE_LIBDRM_ATOMIC_PRIMITIVES=1
+
+LOCAL_CFLAGS += \
+	-Wno-error \
+	-Wno-unused-parameter \
+	-Wno-missing-field-initializers \
+	-Wno-pointer-arith \
+	-Wno-enum-conversion
+
+# Quiet down the build system and remove any .h files from the sources
+LOCAL_SRC_FILES := $(patsubst %.h, , $(LOCAL_SRC_FILES))
+LOCAL_EXPORT_C_INCLUDE_DIRS += $(LOCAL_PATH)
+
+LOCAL_PROPRIETARY_MODULE := true