add libbpf

Author: michalgr

Makefile

@@ -35,6 +35,7 @@ $(ANDROID_OUT_DIR) $(HOST_OUT_DIR):
 	mkdir $@/bin
 	mkdir $@/include
 	mkdir $@/lib
+	mkdir $@/lib/pkgconfig
 	mkdir $@/share
 	mkdir $@/licenses
 

projects/elfutils/build.mk

@@ -9,10 +9,13 @@ ELFUTILS_EXTRA_CFLAGS += -Dprogram_invocation_short_name=\\\"no-program_invocati
 $(ELFUTILS_ANDROID):
 	cd $(ELFUTILS_ANDROID_BUILD_DIR)/lib && make -j $(THREADS)
 	cd $(ELFUTILS_ANDROID_BUILD_DIR)/libelf && make install -j $(THREADS)
+	cd $(ELFUTILS_ANDROID_BUILD_DIR)/config && make
+	cp $(ELFUTILS_ANDROID_BUILD_DIR)/config/libelf.pc $(ANDROID_OUT_DIR)/lib/pkgconfig
 	cp $(ELFUTILS_SRCS)/COPYING-LGPLV3 $(ANDROID_OUT_DIR)/licenses/elfutils-libs
 	touch $@
 
 $(ANDROID_BUILD_DIR)/elfutils: $(ANDROID_CONFIG_SITE)
+$(ANDROID_BUILD_DIR)/elfutils: $(ANDROID_OUT_DIR)/lib/pkgconfig/zlib.pc
 	-mkdir $@
 	cd $@ && EXTRA_CFLAGS="$(ELFUTILS_EXTRA_CFLAGS)" $(ELFUTILS_SRCS)/configure \
 		$(ANDROID_EXTRA_CONFIGURE_FLAGS) \

projects/libbpf/README

@@ -0,0 +1,7 @@
+libbpf
+
+license: LGPL-2.1/BSD-2-Clause
+license url: https://github.com/libbpf/libbpf/blob/master/LICENSE
+
+Default version: 1.0.0
+https://github.com/libbpf/libbpf

projects/libbpf/build.mk

@@ -0,0 +1,30 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+LIBBPF_ANDROID_DEPS = elfutils
+$(eval $(call project-define,libbpf))
+
+LIBBPF_EXTRA_CFLAGS += "-D__user="
+LIBBPF_EXTRA_CFLAGS += "-D__force="
+LIBBPF_EXTRA_CFLAGS += "-D__poll_t=unsigned"
+
+$(LIBBPF_ANDROID): \
+    export PKG_CONFIG_LIBDIR=$(abspath $(ANDROID_OUT_DIR)/lib/pkgconfig)
+$(LIBBPF_ANDROID): $(ANDROID_OUT_DIR)/lib/pkgconfig/zlib.pc
+	cd $(LIBBPF_SRCS)/src && make install install_uapi_headers \
+		-j $(THREADS) \
+		LIBSUBDIR=lib \
+		PREFIX=$(abspath $(ANDROID_OUT_DIR)) \
+		OBJDIR=$(abspath $(LIBBPF_ANDROID_BUILD_DIR)) \
+		AR=$(abspath $(ANDROID_TOOLCHAIN_PATH)/llvm-ar) \
+		CC=$(abspath $(ANDROID_TOOLCHAIN_PATH)/$(ANDROID_TRIPLE)$(NDK_API)-clang) \
+		EXTRA_CFLAGS="$(LIBBPF_EXTRA_CFLAGS)"
+	cp $(LIBBPF_SRCS)/LICENSE $(ANDROID_OUT_DIR)/licenses/libbpf
+	touch $@
+
+$(LIBBPF_ANDROID_BUILD_DIR):
+	mkdir -p $@
+
+LIBBPF_TAG = v1.0.0
+LIBBPF_REPO = https://github.com/libbpf/libbpf
+projects/libbpf/sources:
+	git clone $(LIBBPF_REPO) $@ -b $(LIBBPF_TAG)

projects/zlib/build.mk

@@ -0,0 +1,7 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+$(ANDROID_OUT_DIR)/lib/pkgconfig/zlib.pc: | $(ANDROID_OUT_DIR)
+	echo "Name: zlib" >> $@
+	echo "Description:" >> $@
+	echo "Version: 1.2.11" >> $@
+	echo "Libs: -lz" >> $@