# Ubuntu 12.04 LTS has CMake 2.8.7, and is an important target since # several CI services, such as Travis and Drone, use it. Solaris 11 # has 2.8.6, and it's not difficult to support if you already have to # support 2.8.7. cmake_minimum_required(VERSION 2.8.6) project(brotli C) if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) message(STATUS "Setting build type to Release as none was specified.") set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build." FORCE) else() message(STATUS "Build type is '${CMAKE_BUILD_TYPE}'") endif() include(CheckCSourceCompiles) check_c_source_compiles( "#if defined(__EMSCRIPTEN__) int main() {return 0;} #endif" BROTLI_EMSCRIPTEN ) if (BROTLI_EMSCRIPTEN) message("-- Compiler is EMSCRIPTEN") else() message("-- Compiler is not EMSCRIPTEN") endif() # If Brotli is being bundled in another project, we don't want to # install anything. However, we want to let people override this, so # we'll use the BROTLI_BUNDLED_MODE variable to let them do that; just # set it to OFF in your project before you add_subdirectory(brotli). get_directory_property(BROTLI_PARENT_DIRECTORY PARENT_DIRECTORY) if(NOT DEFINED BROTLI_BUNDLED_MODE) # Bundled mode hasn't been set one way or the other, set the default # depending on whether or not we are the top-level project. if(BROTLI_PARENT_DIRECTORY) set(BROTLI_BUNDLED_MODE ON) else() set(BROTLI_BUNDLED_MODE OFF) endif() endif() mark_as_advanced(BROTLI_BUNDLED_MODE) include(GNUInstallDirs) # Parse version information from common/version.h. Normally we would # define these values here and write them out to configuration file(s) # (i.e., config.h), but in this case we parse them from # common/version.h to be less intrusive. function(hex_to_dec HEXADECIMAL DECIMAL) string(TOUPPER "${HEXADECIMAL}" _tail) set(_decimal 0) string(LENGTH "${_tail}" _tail_length) while (_tail_length GREATER 0) math(EXPR _decimal "${_decimal} * 16") string(SUBSTRING "${_tail}" 0 1 _digit) string(SUBSTRING "${_tail}" 1 -1 _tail) if (_digit STREQUAL "A") math(EXPR _decimal "${_decimal} + 10") elseif (_digit STREQUAL "B") math(EXPR _decimal "${_decimal} + 11") elseif (_digit STREQUAL "C") math(EXPR _decimal "${_decimal} + 12") elseif (_digit STREQUAL "D") math(EXPR _decimal "${_decimal} + 13") elseif (_digit STREQUAL "E") math(EXPR _decimal "${_decimal} + 14") elseif (_digit STREQUAL "F") math(EXPR _decimal "${_decimal} + 15") else() math(EXPR _decimal "${_decimal} + ${_digit}") endif() string(LENGTH "${_tail}" _tail_length) endwhile() set(${DECIMAL} ${_decimal} PARENT_SCOPE) endfunction(hex_to_dec) # Version information file(STRINGS "c/common/version.h" _brotli_version_line REGEX "^#define BROTLI_VERSION (0x[0-9a-fA-F]+)$") string(REGEX REPLACE "^#define BROTLI_VERSION 0x([0-9a-fA-F]+)$" "\\1" _brotli_version_hex "${_brotli_version_line}") hex_to_dec("${_brotli_version_hex}" _brotli_version) math(EXPR BROTLI_VERSION_MAJOR "${_brotli_version} >> 24") math(EXPR BROTLI_VERSION_MINOR "(${_brotli_version} >> 12) & 4095") math(EXPR BROTLI_VERSION_PATCH "${_brotli_version} & 4095") set(BROTLI_VERSION "${BROTLI_VERSION_MAJOR}.${BROTLI_VERSION_MINOR}.${BROTLI_VERSION_PATCH}") mark_as_advanced(BROTLI_VERSION BROTLI_VERSION_MAJOR BROTLI_VERSION_MINOR BROTLI_VERSION_PATCH) # ABI Version information file(STRINGS "c/common/version.h" _brotli_abi_info_line REGEX "^#define BROTLI_ABI_VERSION (0x[0-9a-fA-F]+)$") string(REGEX REPLACE "^#define BROTLI_ABI_VERSION 0x([0-9a-fA-F]+)$" "\\1" _brotli_abi_info_hex "${_brotli_abi_info_line}") hex_to_dec("${_brotli_abi_info_hex}" _brotli_abi_info) math(EXPR BROTLI_ABI_CURRENT "${_brotli_abi_info} >> 24") math(EXPR BROTLI_ABI_REVISION "(${_brotli_abi_info} >> 12) & 4095") math(EXPR BROTLI_ABI_AGE "${_brotli_abi_info} & 4095") math(EXPR BROTLI_ABI_COMPATIBILITY "${BROTLI_ABI_CURRENT} - ${BROTLI_ABI_AGE}") mark_as_advanced(BROTLI_ABI_CURRENT BROTLI_ABI_REVISION BROTLI_ABI_AGE BROTLI_ABI_COMPATIBILITY) if (ENABLE_SANITIZER) set(CMAKE_C_FLAGS " ${CMAKE_C_FLAGS} -fsanitize=${ENABLE_SANITIZER}") set(CMAKE_CXX_FLAGS " ${CMAKE_CXX_FLAGS} -fsanitize=${ENABLE_SANITIZER}") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=${ENABLE_SANITIZER}") # By default, brotli depends on undefined behavior, but setting # BROTLI_BUILD_PORTABLE should result in a build which does not. if(ENABLE_SANITIZER STREQUAL "undefined") add_definitions(-DBROTLI_BUILD_PORTABLE) endif() endif () include(CheckFunctionExists) set(LIBM_LIBRARY) CHECK_FUNCTION_EXISTS(log2 LOG2_RES) if(NOT LOG2_RES) set(orig_req_libs "${CMAKE_REQUIRED_LIBRARIES}") set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};m") CHECK_FUNCTION_EXISTS(log2 LOG2_LIBM_RES) if(LOG2_LIBM_RES) set(LIBM_LIBRARY "m") add_definitions(-DBROTLI_HAVE_LOG2=1) else() add_definitions(-DBROTLI_HAVE_LOG2=0) endif() set(CMAKE_REQUIRED_LIBRARIES "${orig_req_libs}") unset(LOG2_LIBM_RES) unset(orig_req_libs) else() add_definitions(-DBROTLI_HAVE_LOG2=1) endif() unset(LOG2_RES) set(BROTLI_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/c/include") mark_as_advanced(BROTLI_INCLUDE_DIRS) set(BROTLI_LIBRARIES_CORE brotlienc brotlidec brotlicommon) set(BROTLI_LIBRARIES ${BROTLI_LIBRARIES_CORE} ${LIBM_LIBRARY}) mark_as_advanced(BROTLI_LIBRARIES) set(BROTLI_LIBRARIES_CORE_STATIC brotlienc-static brotlidec-static brotlicommon-static) set(BROTLI_LIBRARIES_STATIC ${BROTLI_LIBRARIES_CORE_STATIC} ${LIBM_LIBRARY}) mark_as_advanced(BROTLI_LIBRARIES_STATIC) if(${CMAKE_SYSTEM_NAME} MATCHES "Linux") add_definitions(-DOS_LINUX) elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") add_definitions(-DOS_FREEBSD) elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") add_definitions(-DOS_MACOSX) endif() function(transform_sources_list INPUT_FILE OUTPUT_FILE) file(READ ${INPUT_FILE} TEXT) string(REGEX REPLACE "\\\\\n" "~continuation~" TEXT ${TEXT}) string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" TEXT ${TEXT}) string(REPLACE "~continuation~" "\n" TEXT ${TEXT}) file(WRITE ${OUTPUT_FILE} ${TEXT}) endfunction() transform_sources_list("scripts/sources.lst" "${CMAKE_CURRENT_BINARY_DIR}/sources.lst.cmake") include("${CMAKE_CURRENT_BINARY_DIR}/sources.lst.cmake") if(BROTLI_EMSCRIPTEN) set(BROTLI_SHARED_LIBS "") else() set(BROTLI_SHARED_LIBS brotlicommon brotlidec brotlienc) add_library(brotlicommon SHARED ${BROTLI_COMMON_C}) add_library(brotlidec SHARED ${BROTLI_DEC_C}) add_library(brotlienc SHARED ${BROTLI_ENC_C}) endif() set(BROTLI_STATIC_LIBS brotlicommon-static brotlidec-static brotlienc-static) add_library(brotlicommon-static STATIC ${BROTLI_COMMON_C}) add_library(brotlidec-static STATIC ${BROTLI_DEC_C}) add_library(brotlienc-static STATIC ${BROTLI_ENC_C}) # Older CMake versions does not understand INCLUDE_DIRECTORIES property. include_directories(${BROTLI_INCLUDE_DIRS}) foreach(lib IN LISTS BROTLI_SHARED_LIBS) target_compile_definitions(${lib} PUBLIC "BROTLI_SHARED_COMPILATION" ) string(TOUPPER "${lib}" LIB) set_target_properties (${lib} PROPERTIES DEFINE_SYMBOL "${LIB}_SHARED_COMPILATION") endforeach() foreach(lib IN LISTS BROTLI_SHARED_LIBS BROTLI_STATIC_LIBS) target_link_libraries(${lib} ${LIBM_LIBRARY}) set_property(TARGET ${lib} APPEND PROPERTY INCLUDE_DIRECTORIES ${BROTLI_INCLUDE_DIRS}) set_target_properties(${lib} PROPERTIES VERSION "${BROTLI_ABI_COMPATIBILITY}.${BROTLI_ABI_AGE}.${BROTLI_ABI_REVISION}" SOVERSION "${BROTLI_ABI_COMPATIBILITY}") if(NOT BROTLI_EMSCRIPTEN) set_target_properties(${lib} PROPERTIES POSITION_INDEPENDENT_CODE TRUE) endif() set_property(TARGET ${lib} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${BROTLI_INCLUDE_DIRS}") endforeach() if(NOT BROTLI_EMSCRIPTEN) target_link_libraries(brotlidec brotlicommon) target_link_libraries(brotlienc brotlicommon) endif() target_link_libraries(brotlidec-static brotlicommon-static) target_link_libraries(brotlienc-static brotlicommon-static) # For projects stuck on older versions of CMake, this will set the # BROTLI_INCLUDE_DIRS and BROTLI_LIBRARIES variables so they still # have a relatively easy way to use Brotli: # # include_directories(${BROTLI_INCLUDE_DIRS}) # target_link_libraries(foo ${BROTLI_LIBRARIES}) if(BROTLI_PARENT_DIRECTORY) set(BROTLI_INCLUDE_DIRS "${BROTLI_INCLUDE_DIRS}" PARENT_SCOPE) set(BROTLI_LIBRARIES "${BROTLI_LIBRARIES}" PARENT_SCOPE) endif() # Build the brotli executable add_executable(brotli ${BROTLI_CLI_C}) target_link_libraries(brotli ${BROTLI_LIBRARIES_STATIC}) # Installation if(NOT BROTLI_EMSCRIPTEN) if(NOT BROTLI_BUNDLED_MODE) install( TARGETS brotli RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" ) install( TARGETS ${BROTLI_LIBRARIES_CORE} ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" ) install( TARGETS ${BROTLI_LIBRARIES_CORE_STATIC} ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" ) install( DIRECTORY ${BROTLI_INCLUDE_DIRS}/brotli DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" ) endif() # BROTLI_BUNDLED_MODE endif() # BROTLI_EMSCRIPTEN # Tests # If we're targeting Windows but not running on Windows, we need Wine # to run the tests... if(NOT BROTLI_DISABLE_TESTS) if(WIN32 AND NOT CMAKE_HOST_WIN32) find_program(BROTLI_WRAPPER NAMES wine) if(NOT BROTLI_WRAPPER) message(STATUS "wine not found, disabling tests") set(BROTLI_DISABLE_TESTS TRUE) endif() endif() endif() # If our compiler is a cross-compiler that we know about (arm/aarch64), # then we need to use qemu to execute the tests. if(NOT BROTLI_DISABLE_TESTS) if ("${CMAKE_C_COMPILER}" MATCHES "^.*/arm-linux-gnueabihf-.*$") message(STATUS "Detected arm-linux-gnueabihf cross-compilation") set(BROTLI_WRAPPER "qemu-arm") set(BROTLI_WRAPPER_LD_PREFIX "/usr/arm-linux-gnueabihf") endif() if ("${CMAKE_C_COMPILER}" MATCHES "^.*/arm-linux-gnueabi-.*$") message(STATUS "Detected arm-linux-gnueabi cross-compilation") set(BROTLI_WRAPPER "qemu-arm") set(BROTLI_WRAPPER_LD_PREFIX "/usr/arm-linux-gnueabi") endif() if ("${CMAKE_C_COMPILER}" MATCHES "^.*/aarch64-linux-gnu-.*$") message(STATUS "Detected aarch64-linux-gnu cross-compilation") set(BROTLI_WRAPPER "qemu-aarch64") set(BROTLI_WRAPPER_LD_PREFIX "/usr/aarch64-linux-gnu") endif() endif() if(NOT BROTLI_DISABLE_TESTS) include(CTest) enable_testing() set(ROUNDTRIP_INPUTS tests/testdata/alice29.txt tests/testdata/asyoulik.txt tests/testdata/lcet10.txt tests/testdata/plrabn12.txt c/enc/encode.c c/common/dictionary.h c/dec/decode.c) foreach(INPUT ${ROUNDTRIP_INPUTS}) get_filename_component(OUTPUT_NAME "${INPUT}" NAME) set(OUTPUT_FILE "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}") set(INPUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/${INPUT}") if (EXISTS "${INPUT_FILE}") foreach(quality 1 6 9 11) add_test(NAME "${BROTLI_TEST_PREFIX}roundtrip/${INPUT}/${quality}" COMMAND "${CMAKE_COMMAND}" -DBROTLI_WRAPPER=${BROTLI_WRAPPER} -DBROTLI_WRAPPER_LD_PREFIX=${BROTLI_WRAPPER_LD_PREFIX} -DBROTLI_CLI=$ -DQUALITY=${quality} -DINPUT=${INPUT_FILE} -DOUTPUT=${OUTPUT_FILE}.${quality} -P ${CMAKE_CURRENT_SOURCE_DIR}/tests/run-roundtrip-test.cmake) endforeach() else() message(WARNING "Test file ${INPUT} does not exist.") endif() endforeach() file(GLOB_RECURSE COMPATIBILITY_INPUTS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} tests/testdata/*.compressed*) foreach(INPUT ${COMPATIBILITY_INPUTS}) add_test(NAME "${BROTLI_TEST_PREFIX}compatibility/${INPUT}" COMMAND "${CMAKE_COMMAND}" -DBROTLI_WRAPPER=${BROTLI_WRAPPER} -DBROTLI_WRAPPER_LD_PREFIX=${BROTLI_WRAPPER_LD_PREFIX} -DBROTLI_CLI=$ -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/${INPUT} -P ${CMAKE_CURRENT_SOURCE_DIR}/tests/run-compatibility-test.cmake) endforeach() endif() # Generate a pkg-config files function(generate_pkg_config_path outvar path) string(LENGTH "${path}" path_length) set(path_args ${ARGV}) list(REMOVE_AT path_args 0 1) list(LENGTH path_args path_args_remaining) set("${outvar}" "${path}") while(path_args_remaining GREATER 1) list(GET path_args 0 name) list(GET path_args 1 value) get_filename_component(value_full "${value}" ABSOLUTE) string(LENGTH "${value}" value_length) if(path_length EQUAL value_length AND path STREQUAL value) set("${outvar}" "\${${name}}") break() elseif(path_length GREATER value_length) # We might be in a subdirectory of the value, but we have to be # careful about a prefix matching but not being a subdirectory # (for example, /usr/lib64 is not a subdirectory of /usr/lib). # We'll do this by making sure the next character is a directory # separator. string(SUBSTRING "${path}" ${value_length} 1 sep) if(sep STREQUAL "/") string(SUBSTRING "${path}" 0 ${value_length} s) if(s STREQUAL value) string(SUBSTRING "${path}" "${value_length}" -1 suffix) set("${outvar}" "\${${name}}${suffix}") break() endif() endif() endif() list(REMOVE_AT path_args 0 1) list(LENGTH path_args path_args_remaining) endwhile() set("${outvar}" "${${outvar}}" PARENT_SCOPE) endfunction(generate_pkg_config_path) function(transform_pc_file INPUT_FILE OUTPUT_FILE VERSION) file(READ ${INPUT_FILE} TEXT) set(PREFIX "${CMAKE_INSTALL_PREFIX}") string(REGEX REPLACE "@prefix@" "${PREFIX}" TEXT ${TEXT}) string(REGEX REPLACE "@exec_prefix@" "${PREFIX}" TEXT ${TEXT}) generate_pkg_config_path(LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}" prefix "${PREFIX}") string(REGEX REPLACE "@libdir@" "${LIBDIR}" TEXT ${TEXT}) generate_pkg_config_path(INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}" prefix "${PREFIX}") string(REGEX REPLACE "@includedir@" "${INCLUDEDIR}" TEXT ${TEXT}) string(REGEX REPLACE "@PACKAGE_VERSION@" "${VERSION}" TEXT ${TEXT}) file(WRITE ${OUTPUT_FILE} ${TEXT}) endfunction() transform_pc_file("scripts/libbrotlicommon.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlicommon.pc" "${BROTLI_VERSION}") transform_pc_file("scripts/libbrotlidec.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlidec.pc" "${BROTLI_VERSION}") transform_pc_file("scripts/libbrotlienc.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc" "${BROTLI_VERSION}") if(NOT BROTLI_EMSCRIPTEN) if(NOT BROTLI_BUNDLED_MODE) install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlicommon.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlidec.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") endif() # BROTLI_BUNDLED_MODE endif() # BROTLI_EMSCRIPTEN if (ENABLE_COVERAGE STREQUAL "yes") SETUP_TARGET_FOR_COVERAGE(coverage test coverage) endif ()