| # 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=${BROTLI_WRAPPER_LD_PREFIX} |
| -DBROTLI_CLI=$<TARGET_FILE:brotli> |
| -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=$<TARGET_FILE:brotli> |
| -DINPUT=${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 () |