libebml: add

Needed for libmatroska.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libebml/Makefile

@@ -0,0 +1,49 @@
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libebml
+PKG_VERSION:=1.3.10
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://codeload.github.com/Matroska-Org/libebml/tar.gz/release-$(PKG_VERSION)?
+PKG_HASH:=2562bb9bc3248e956a6ed1148eafe4d7d68759257133083c212d14faa8709d1e
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-release-$(PKG_VERSION)
+
+PKG_MAINTAINER:=
+PKG_LICENSE:=LGPL-2.1-or-later
+PKG_LICENSE_FILES:=LICENSE.LGPL
+
+CMAKE_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/libebml
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=a C++ libary to parse EBML files
+  URL:=https://github.com/Matroska-Org/libebml
+  DEPENDS:=+libstdcpp
+  BUILDONLY:=1
+endef
+
+define Package/libebml/description
+  a C++ libary to parse EBML files
+  Specifications may be rendered at http://matroska-org.github.io/libebml/
+endef
+
+CMAKE_OPTIONS += \
+	-DDISABLE_PKGCONFIG=OFF \
+	-DDISABLE_CMAKE_CONFIG=OFF \
+	-DENABLE_WIN32_IO=OFF
+
+TARGET_CFLAGS += -flto
+TARGET_LDFLAGS += -Wl,--gc-sections,--as-needed
+
+$(eval $(call BuildPackage,libebml))