mirror of
https://github.com/google/brotli.git
synced 2024-11-25 04:50:05 +00:00
515fc62313
By default CMake checks both for C and C++ compilers, while the latter is not needed. Setting the list of languages to just "C" in the call to project() removes the unneeded check.
357 lines
13 KiB
CMake
357 lines
13 KiB
CMake
# Ubuntu 12.04 LTS has CMake 2.8.7, and is an important target since
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# several CI services, such as Travis and Drone, use it. Solaris 11
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# has 2.8.6, and it's not difficult to support if you already have to
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# support 2.8.7.
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cmake_minimum_required(VERSION 2.8.6)
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project(brotli C)
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# If Brotli is being bundled in another project, we don't want to
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# install anything. However, we want to let people override this, so
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# we'll use the BROTLI_BUNDLED_MODE variable to let them do that; just
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# set it to OFF in your project before you add_subdirectory(brotli).
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get_directory_property(BROTLI_PARENT_DIRECTORY PARENT_DIRECTORY)
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if(BROTLI_BUNDLED_MODE STREQUAL "")
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# Bundled mode hasn't been set one way or the other, set the default
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# depending on whether or not we are the top-level project.
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if(BROTLI_PARENT_DIRECTORY)
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set(BROTLI_BUNDLED_MODE OFF)
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else()
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set(BROTLI_BUNDLED_MODE ON)
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endif()
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endif()
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mark_as_advanced(BROTLI_BUNDLED_MODE)
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include(GNUInstallDirs)
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# Parse version information from common/version.h. Normally we would
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# define these values here and write them out to configuration file(s)
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# (i.e., config.h), but in this case we parse them from
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# common/version.h to be less intrusive.
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function(hex_to_dec HEXADECIMAL DECIMAL)
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string(TOUPPER "${HEXADECIMAL}" _tail)
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set(_decimal 0)
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string(LENGTH "${_tail}" _tail_length)
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while (_tail_length GREATER 0)
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math(EXPR _decimal "${_decimal} * 16")
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string(SUBSTRING "${_tail}" 0 1 _digit)
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string(SUBSTRING "${_tail}" 1 -1 _tail)
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if (_digit STREQUAL "A")
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math(EXPR _decimal "${_decimal} + 10")
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elseif (_digit STREQUAL "B")
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math(EXPR _decimal "${_decimal} + 11")
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elseif (_digit STREQUAL "C")
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math(EXPR _decimal "${_decimal} + 12")
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elseif (_digit STREQUAL "D")
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math(EXPR _decimal "${_decimal} + 13")
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elseif (_digit STREQUAL "E")
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math(EXPR _decimal "${_decimal} + 14")
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elseif (_digit STREQUAL "F")
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math(EXPR _decimal "${_decimal} + 15")
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else()
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math(EXPR _decimal "${_decimal} + ${_digit}")
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endif()
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string(LENGTH "${_tail}" _tail_length)
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endwhile()
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set(${DECIMAL} ${_decimal} PARENT_SCOPE)
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endfunction(hex_to_dec)
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# Version information
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file(STRINGS "c/common/version.h" _brotli_version_line REGEX "^#define BROTLI_VERSION (0x[0-9a-fA-F]+)$")
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string(REGEX REPLACE "^#define BROTLI_VERSION 0x([0-9a-fA-F]+)$" "\\1" _brotli_version_hex "${_brotli_version_line}")
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hex_to_dec("${_brotli_version_hex}" _brotli_version)
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math(EXPR BROTLI_VERSION_MAJOR "${_brotli_version} >> 24")
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math(EXPR BROTLI_VERSION_MINOR "(${_brotli_version} >> 12) & 4095")
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math(EXPR BROTLI_VERSION_PATCH "${_brotli_version} & 4095")
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set(BROTLI_VERSION "${BROTLI_VERSION_MAJOR}.${BROTLI_VERSION_MINOR}.${BROTLI_VERSION_PATCH}")
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mark_as_advanced(BROTLI_VERSION BROTLI_VERSION_MAJOR BROTLI_VERSION_MINOR BROTLI_VERSION_PATCH)
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# ABI Version information
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file(STRINGS "c/common/version.h" _brotli_abi_info_line REGEX "^#define BROTLI_ABI_VERSION (0x[0-9a-fA-F]+)$")
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string(REGEX REPLACE "^#define BROTLI_ABI_VERSION 0x([0-9a-fA-F]+)$" "\\1" _brotli_abi_info_hex "${_brotli_abi_info_line}")
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hex_to_dec("${_brotli_abi_info_hex}" _brotli_abi_info)
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math(EXPR BROTLI_ABI_CURRENT "${_brotli_abi_info} >> 24")
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math(EXPR BROTLI_ABI_REVISION "(${_brotli_abi_info} >> 12) & 4095")
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math(EXPR BROTLI_ABI_AGE "${_brotli_abi_info} & 4095")
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math(EXPR BROTLI_ABI_COMPATIBILITY "${BROTLI_ABI_CURRENT} - ${BROTLI_ABI_AGE}")
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mark_as_advanced(BROTLI_ABI_CURRENT BROTLI_ABI_REVISION BROTLI_ABI_AGE BROTLI_ABI_COMPATIBILITY)
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if (ENABLE_SANITIZER)
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set(CMAKE_C_FLAGS " ${CMAKE_C_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
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set(CMAKE_CXX_FLAGS " ${CMAKE_CXX_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
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# By default, brotli depends on undefined behavior, but setting
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# BROTLI_BUILD_PORTABLE should result in a build which does not.
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if(ENABLE_SANITIZER STREQUAL "undefined")
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add_definitions(-DBROTLI_BUILD_PORTABLE)
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endif()
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endif ()
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include(CheckFunctionExists)
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set(LIBM_LIBRARY)
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CHECK_FUNCTION_EXISTS(log2 LOG2_RES)
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if(NOT LOG2_RES)
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set(orig_req_libs "${CMAKE_REQUIRED_LIBRARIES}")
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set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};m")
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CHECK_FUNCTION_EXISTS(log2 LOG2_LIBM_RES)
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if(LOG2_LIBM_RES)
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set(LIBM_LIBRARY "m")
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else()
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message(FATAL_ERROR "log2() not found")
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endif()
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set(CMAKE_REQUIRED_LIBRARIES "${orig_req_libs}")
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unset(LOG2_LIBM_RES)
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unset(orig_req_libs)
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endif()
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unset(LOG2_RES)
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set(BROTLI_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/c/include")
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mark_as_advanced(BROTLI_INCLUDE_DIRS)
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set(BROTLI_LIBRARIES_CORE brotlienc brotlidec brotlicommon)
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set(BROTLI_LIBRARIES ${BROTLI_LIBRARIES_CORE} ${LIBM_LIBRARY})
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mark_as_advanced(BROTLI_LIBRARIES)
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set(BROTLI_LIBRARIES_CORE_STATIC brotlienc-static brotlidec-static brotlicommon-static)
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set(BROTLI_LIBRARIES_STATIC ${BROTLI_LIBRARIES_CORE_STATIC} ${LIBM_LIBRARY})
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mark_as_advanced(BROTLI_LIBRARIES_STATIC)
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if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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add_definitions(-DOS_LINUX)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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add_definitions(-DOS_FREEBSD)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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add_definitions(-DOS_MACOSX)
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endif()
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function(transform_sources_list INPUT_FILE OUTPUT_FILE)
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file(READ ${INPUT_FILE} TEXT)
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string(REGEX REPLACE "\\\\\n" "~continuation~" TEXT ${TEXT})
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string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" TEXT ${TEXT})
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string(REPLACE "~continuation~" "\n" TEXT ${TEXT})
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file(WRITE ${OUTPUT_FILE} ${TEXT})
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endfunction()
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transform_sources_list("scripts/sources.lst" "${CMAKE_CURRENT_BINARY_DIR}/sources.lst.cmake")
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include("${CMAKE_CURRENT_BINARY_DIR}/sources.lst.cmake")
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add_library(brotlicommon SHARED ${BROTLI_COMMON_C})
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add_library(brotlidec SHARED ${BROTLI_DEC_C})
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add_library(brotlienc SHARED ${BROTLI_ENC_C})
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add_library(brotlicommon-static STATIC ${BROTLI_COMMON_C})
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add_library(brotlidec-static STATIC ${BROTLI_DEC_C})
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add_library(brotlienc-static STATIC ${BROTLI_ENC_C})
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# Older CMake versions does not understand INCLUDE_DIRECTORIES property.
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include_directories(${BROTLI_INCLUDE_DIRS})
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foreach(lib brotlicommon brotlidec brotlienc)
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target_compile_definitions(${lib} PUBLIC "BROTLI_SHARED_COMPILATION" )
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string(TOUPPER "${lib}" LIB)
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set_target_properties (${lib} PROPERTIES DEFINE_SYMBOL "${LIB}_SHARED_COMPILATION" )
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endforeach()
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foreach(lib brotlicommon brotlidec brotlienc brotlicommon-static brotlidec-static brotlienc-static)
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target_link_libraries(${lib} ${LIBM_LIBRARY})
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set_property(TARGET ${lib} APPEND PROPERTY INCLUDE_DIRECTORIES ${BROTLI_INCLUDE_DIRS})
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set_target_properties(${lib} PROPERTIES
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VERSION "${BROTLI_ABI_COMPATIBILITY}.${BROTLI_ABI_AGE}.${BROTLI_ABI_REVISION}"
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SOVERSION "${BROTLI_ABI_COMPATIBILITY}"
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POSITION_INDEPENDENT_CODE TRUE)
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set_property(TARGET ${lib} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${BROTLI_INCLUDE_DIRS}")
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endforeach()
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target_link_libraries(brotlidec brotlicommon)
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target_link_libraries(brotlienc brotlicommon)
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target_link_libraries(brotlidec-static brotlicommon-static)
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target_link_libraries(brotlienc-static brotlicommon-static)
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# For projects stuck on older versions of CMake, this will set the
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# BROTLI_INCLUDE_DIRS and BROTLI_LIBRARIES variables so they still
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# have a relatively easy way to use Brotli:
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#
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# include_directories(${BROTLI_INCLUDE_DIRS})
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# target_link_libraries(foo ${BROTLI_LIBRARIES})
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if(BROTLI_PARENT_DIRECTORY)
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set(BROTLI_INCLUDE_DIRS "${BROTLI_INCLUDE_DIRS}" PARENT_SCOPE)
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set(BROTLI_LIBRARIES "${BROTLI_LIBRARIES}" PARENT_SCOPE)
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endif()
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# Build the brotli executable
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add_executable(brotli ${BROTLI_CLI_C})
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target_link_libraries(brotli ${BROTLI_LIBRARIES_STATIC})
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# Installation
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if(NOT BROTLI_BUNDLED_MODE)
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install(
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TARGETS brotli
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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)
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install(
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TARGETS ${BROTLI_LIBRARIES_CORE}
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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)
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install(
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TARGETS ${BROTLI_LIBRARIES_CORE_STATIC}
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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)
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install(
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DIRECTORY ${BROTLI_INCLUDE_DIRS}/brotli
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
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)
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endif()
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# Tests
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# If we're targeting Windows but not running on Windows, we need Wine
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# to run the tests...
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if(NOT BROTLI_DISABLE_TESTS)
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if(WIN32 AND NOT CMAKE_HOST_WIN32)
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find_program(BROTLI_WINE NAMES wine)
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if(NOT BROTLI_WINE)
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message(STATUS "wine not found, disabling tests")
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set(BROTLI_DISABLE_TESTS TRUE)
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endif()
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endif()
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endif()
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if(NOT BROTLI_DISABLE_TESTS)
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include(CTest)
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enable_testing()
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set(ROUNDTRIP_INPUTS
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tests/testdata/alice29.txt
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tests/testdata/asyoulik.txt
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tests/testdata/lcet10.txt
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tests/testdata/plrabn12.txt
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c/enc/encode.c
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c/common/dictionary.h
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c/dec/decode.c)
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foreach(INPUT ${ROUNDTRIP_INPUTS})
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get_filename_component(OUTPUT_NAME "${INPUT}" NAME)
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set(OUTPUT_FILE "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}")
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set(INPUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/${INPUT}")
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foreach(quality 1 6 9 11)
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add_test(NAME "${BROTLI_TEST_PREFIX}roundtrip/${INPUT}/${quality}"
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COMMAND "${CMAKE_COMMAND}"
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-DBROTLI_WRAPPER=${BROTLI_WINE}
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-DBROTLI_CLI=$<TARGET_FILE:brotli>
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-DQUALITY=${quality}
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-DINPUT=${INPUT_FILE}
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-DOUTPUT=${OUTPUT_FILE}.${quality}
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-P ${CMAKE_CURRENT_SOURCE_DIR}/tests/run-roundtrip-test.cmake)
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endforeach()
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endforeach()
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file(GLOB_RECURSE
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COMPATIBILITY_INPUTS
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RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
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tests/testdata/*.compressed*)
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foreach(INPUT ${COMPATIBILITY_INPUTS})
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add_test(NAME "${BROTLI_TEST_PREFIX}compatibility/${INPUT}"
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COMMAND "${CMAKE_COMMAND}"
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-DBROTLI_WRAPPER=${BROTLI_WINE}
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-DBROTLI_CLI=$<TARGET_FILE:brotli>
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-DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/${INPUT}
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-P ${CMAKE_CURRENT_SOURCE_DIR}/tests/run-compatibility-test.cmake)
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endforeach()
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endif()
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# Generate a pkg-config files
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function(generate_pkg_config_path outvar path)
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string(LENGTH "${path}" path_length)
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set(path_args ${ARGV})
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list(REMOVE_AT path_args 0 1)
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list(LENGTH path_args path_args_remaining)
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set("${outvar}" "${path}")
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while(path_args_remaining GREATER 1)
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list(GET path_args 0 name)
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list(GET path_args 1 value)
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get_filename_component(value_full "${value}" ABSOLUTE)
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string(LENGTH "${value}" value_length)
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if(path_length EQUAL value_length AND path STREQUAL value)
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set("${outvar}" "\${${name}}")
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break()
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elseif(path_length GREATER value_length)
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# We might be in a subdirectory of the value, but we have to be
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# careful about a prefix matching but not being a subdirectory
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# (for example, /usr/lib64 is not a subdirectory of /usr/lib).
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# We'll do this by making sure the next character is a directory
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# separator.
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string(SUBSTRING "${path}" ${value_length} 1 sep)
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if(sep STREQUAL "/")
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string(SUBSTRING "${path}" 0 ${value_length} s)
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if(s STREQUAL value)
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string(SUBSTRING "${path}" "${value_length}" -1 suffix)
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set("${outvar}" "\${${name}}${suffix}")
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break()
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endif()
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endif()
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endif()
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list(REMOVE_AT path_args 0 1)
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list(LENGTH path_args path_args_remaining)
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endwhile()
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set("${outvar}" "${${outvar}}" PARENT_SCOPE)
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endfunction(generate_pkg_config_path)
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function(transform_pc_file INPUT_FILE OUTPUT_FILE VERSION)
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file(READ ${INPUT_FILE} TEXT)
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set(PREFIX "${CMAKE_INSTALL_PREFIX}")
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string(REGEX REPLACE "@prefix@" "${PREFIX}" TEXT ${TEXT})
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string(REGEX REPLACE "@exec_prefix@" "${PREFIX}" TEXT ${TEXT})
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generate_pkg_config_path(LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}" prefix "${PREFIX}")
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string(REGEX REPLACE "@libdir@" "${LIBDIR}" TEXT ${TEXT})
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generate_pkg_config_path(INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}" prefix "${PREFIX}")
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string(REGEX REPLACE "@includedir@" "${INCLUDEDIR}" TEXT ${TEXT})
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string(REGEX REPLACE "@PACKAGE_VERSION@" "${VERSION}" TEXT ${TEXT})
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file(WRITE ${OUTPUT_FILE} ${TEXT})
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endfunction()
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transform_pc_file("scripts/libbrotlicommon.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlicommon.pc" "${BROTLI_VERSION}")
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transform_pc_file("scripts/libbrotlidec.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlidec.pc" "${BROTLI_VERSION}")
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transform_pc_file("scripts/libbrotlienc.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc" "${BROTLI_VERSION}")
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if(NOT BROTLI_BUNDLED_MODE)
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlicommon.pc"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlidec.pc"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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endif()
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if (ENABLE_COVERAGE STREQUAL "yes")
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SETUP_TARGET_FOR_COVERAGE(coverage test coverage)
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endif ()
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