libtracefs: add Linux kernel trace file system library

Needed by trace-cmd.

Signed-off-by: Nick Hainke <[email protected]>

package/libs/libtracefs/Makefile

@@ -0,0 +1,49 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libtracefs
+PKG_VERSION:=1.4.2
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/snapshot/
+PKG_HASH:=8ad03e6d2a6227f6eb11692d9f04614d3da60ac6c5e4fe436e59b2bed90f031b
+
+PKG_MAINTAINER:=Nick Hainke <[email protected]>
+
+PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/libtracefs
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=Linux kernel trace file system library
+  URL:=https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git
+  DEPENDS+=+libpthread +libtraceevent
+  ABI_VERSION:=0
+endef
+
+define Package/libtracefs/description
+The libtracefs library provides APIs to access kernel trace file system.
+endef
+
+CONFIGURE_ARGS+= \
+	--enable-shared \
+	--enable-static \
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include
+	$(CP) $(PKG_BUILD_DIR)/include/* $(1)/usr/include/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/lib/libtracefs.{a,so*} $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+	$(CP) $(PKG_BUILD_DIR)/libtracefs.pc $(1)/usr/lib/pkgconfig/
+endef
+
+define Package/libtracefs/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/lib/libtracefs.so.* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libtracefs))