cmake: add CMake scripts to to build sel_ldr and nacl_helper_bootstrap

Author: illwieckz

CMakeLists.txt

@@ -0,0 +1,169 @@
+cmake_minimum_required(VERSION 3.12)
+
+project(native_client C CXX ASM)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+include(DaemonPlatform/Platform)
+include(NaClFlags)
+
+if (NOT CMAKE_BUILD_TYPE)
+	set(CMAKE_BUILD_TYPE RelWithDebInfo)
+endif()
+
+option(BUILD_NACL_LOADER "Build the sel_ldr program." ON)
+
+if (LINUX)
+	option(BUILD_NACL_HELPER_BOOTSTRAP "Build the nacl_helper_bootstrap program on platforms requiring it." ON)
+endif()
+
+# TODO(arbenson): remove this once binutils bug is fixed (see
+# src/trusted/service_runtime/arch/x86_64/sel_addrspace_posix_x86_64.c)
+if (BUILD_NACL_LOADER AND ARCH_amd64 AND NOT WIN32)
+	option(USE_AMD64_ZERO_BASED_SANDBOX "Allow the zero-based sandbox model to run insecurely." OFF)
+	list(APPEND INHERITED_OPTIONS "USE_AMD64_ZERO_BASED_SANDBOX")
+endif()
+
+if (BUILD_NACL_LOADER AND WIN32)
+	option(FORCE_NO_TRUSTED_BUILD "Prevent use of trusted toolchain." OFF)
+endif()
+
+if (BUILD_NACL_LOADER AND WIN32)
+	set(REQUIRE_MASM ON)
+endif()
+
+if (BUILD_NACL_LOADER AND APPLE)
+	set(REQUIRE_PYTHON ON)
+endif()
+
+if (BUILD_NACL_HELPER_BOOTSTRAP)
+	set(REQUIRE_PYTHON ON)
+endif()
+
+if (REQUIRE_PYTHON)
+	if (NOT PYTHON)
+		find_program(PYTHON NAMES "python3" DOC "Path to the python3 executable." REQUIRED)
+	endif()
+endif()
+
+if (REQUIRE_MASM)
+	if (NOT MSVC AND NOT CMAKE_ASM_MASM_COMPILER)
+		include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include-hax/fake_masm")
+
+		find_program(JWASM NAMES "jwasm" DOC "Path to the JWasm executable." REQUIRED)
+
+		set(CMAKE_ASM_MASM_COMPILER "${JWASM}")
+
+		if (ARCH_i686)
+			list(APPEND CMAKE_ASM_MASM_FLAGS "-coff")
+		elseif(ARCH_amd64)
+			list(APPEND CMAKE_ASM_MASM_FLAGS "-win64")
+		endif()
+	endif()
+
+	enable_language(ASM_MASM)
+endif()
+
+include_directories("include-hax")
+
+if (ARCH_i686)
+	set(ARCH_SUFFIX "_x86_32")
+elseif (ARCH_amd64)
+	set(ARCH_SUFFIX "_X86_64")
+elseif (ARCH_armhf OR ARCH_armel)
+	set(ARCH_SUFFIX "_arm")
+elseif (ARCH_mipsel)
+	set(ARCH_SUFFIX "_mips32")
+endif()
+
+if (BUILD_NACL_LOADER)
+	add_subdirectory(src/shared/gio)
+	add_subdirectory(src/shared/imc)
+	add_subdirectory(src/shared/platform)
+	add_subdirectory(src/trusted/cpu_features)
+	add_subdirectory(src/trusted/debug_stub)
+	add_subdirectory(src/trusted/desc)
+	add_subdirectory(src/trusted/fault_injection)
+	add_subdirectory(src/trusted/interval_multiset)
+	add_subdirectory(src/trusted/nacl_base)
+	add_subdirectory(src/trusted/perf_counter)
+	add_subdirectory(src/trusted/platform_qualify)
+	add_subdirectory(src/trusted/validator)
+
+	if (ARCH_i686 OR ARCH_amd64)
+		add_subdirectory(src/trusted/validator_x86)
+		add_subdirectory(src/trusted/validator_ragel)
+	elseif (ARCH_armhf OR ARCH_armel)
+		add_subdirectory(src/trusted/validator_arm)
+	elseif (ARCH_mipsel)
+		add_subdirectory(src/trusted/validator_mips)
+	endif()
+endif()
+
+if (BUILD_NACL_LOADER)
+	add_subdirectory(src/trusted/service_runtime)
+endif()
+
+if (BUILD_NACL_HELPER_BOOTSTRAP)
+	if (DAEMON_C_COMPILER_Clang_COMPATIBILITY)
+		add_subdirectory(src/trusted/service_runtime/linux)
+	else()
+		if (CMAKE_GENERATOR MATCHES "Visual Studio")
+			set(BOOTSTRAP_GENERATOR "NMake Makefiles")
+		else()
+			set(BOOTSTRAP_GENERATOR "${CMAKE_GENERATOR}")
+		endif()
+
+		find_program(CLANG_C_COMPILER NAMES "clang" DOC "Path to the Clang C compiler." REQUIRED)
+		find_program(CLANG_CXX_COMPILER NAMES "clang++" DOC "Path to the Clang C++ compiler." REQUIRED)
+
+		if (NOT CLANG_TARGET)
+			execute_process(COMMAND "${CMAKE_CXX_COMPILER}" -dumpmachine
+				OUTPUT_VARIABLE CLANG_TARGET
+				OUTPUT_STRIP_TRAILING_WHITESPACE
+				# CMake 3.18.4 from Debian Buster doesn't support that option:
+				# COMMAND_ERROR_IS_FATAL ANY
+			)
+
+			if (NOT CLANG_TARGET)
+				message(FATAL_ERROR "Failed to read the compiler target.")
+			endif()
+		endif()
+
+		foreach(inherited_option ${INHERITED_OPTIONS})
+			list(APPEND INHERITED_OPTION_ARGS "-D${inherited_option}=${${inherited_option}}")
+		endforeach()
+
+		set(BOOTSTRAP_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/nacl_helper_bootstrap-build")
+
+		include(ExternalProject)
+
+		ExternalProject_Add(nacl_helper_bootstrap-project
+			SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}"
+			BINARY_DIR "${BOOTSTRAP_BUILD_DIR}"
+			CMAKE_GENERATOR "${BOOTSTRAP_GENERATOR}"
+			CMAKE_ARGS
+				"-DCMAKE_BUILT_TYPE=${CMAKE_BUILD_TYPE}"
+				"-DCMAKE_C_COMPILER=${CLANG_C_COMPILER}"
+				"-DCMAKE_CXX_COMPILER=${CLANG_CXX_COMPILER}"
+				"-DCMAKE_C_FLAGS=--target=${CLANG_TARGET}"
+				"-DCMAKE_CXX_FLAGS=--target=${CLANG_TARGET}"
+				-DBUILD_NACL_LOADER=OFF
+				-DBUILD_NACL_HELPER_BOOTSTRAP=ON
+				${INHERITED_OPTION_ARGS}
+			# CMake 3.18.4 from Debian Buster doesn't support that option:
+			# INSTALL_BYPRODUCTS
+			INSTALL_COMMAND echo
+		)
+
+		add_custom_target(nacl_helper_bootstrap ALL
+			COMMAND "${CMAKE_COMMAND}" -E copy "${BOOTSTRAP_BUILD_DIR}/nacl_helper_bootstrap"
+				"${CMAKE_CURRENT_BINARY_DIR}/nacl_helper_bootstrap"
+			BYPRODUCTS
+				"${CMAKE_CURRENT_BINARY_DIR}/nacl_helper_bootstrap"
+			DEPENDS nacl_helper_bootstrap-project
+		)
+	endif()
+endif()