mirror of
https://github.com/google/brotli.git
synced 2024-11-24 12:30:15 +00:00
403 lines
14 KiB
CMake
403 lines
14 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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# Since this project's version is loaded from other files, this policy
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# will help suppress the warning generated by cmake.
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# This policy is set because we can't provide "VERSION" in "project" command.
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# Use `cmake --help-policy CMP0048` for more information.
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cmake_policy(SET CMP0048 NEW)
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project(brotli C)
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option(BUILD_SHARED_LIBS "Build shared libraries" ON)
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to Release as none was specified.")
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set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build." FORCE)
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else()
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message(STATUS "Build type is '${CMAKE_BUILD_TYPE}'")
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endif()
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include(CheckCSourceCompiles)
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check_c_source_compiles(
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"#if defined(__EMSCRIPTEN__)
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int main() {return 0;}
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#endif"
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BROTLI_EMSCRIPTEN
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)
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if (BROTLI_EMSCRIPTEN)
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message("-- Compiler is EMSCRIPTEN")
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else()
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message("-- Compiler is not EMSCRIPTEN")
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endif()
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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(NOT DEFINED BROTLI_BUNDLED_MODE)
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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 ON)
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else()
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set(BROTLI_BUNDLED_MODE OFF)
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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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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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add_definitions(-DBROTLI_HAVE_LOG2=1)
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else()
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add_definitions(-DBROTLI_HAVE_LOG2=0)
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endif()
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set(CMAKE_REQUIRED_LIBRARIES "${orig_req_libs}")
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unset(LOG2_LIBM_RES)
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unset(orig_req_libs)
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else()
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add_definitions(-DBROTLI_HAVE_LOG2=1)
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endif()
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unset(LOG2_RES)
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set(BROTLI_INCLUDE_DIRS "${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} ${LIBM_LIBRARY})
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mark_as_advanced(BROTLI_LIBRARIES)
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if(${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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set(CMAKE_MACOS_RPATH TRUE)
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set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib")
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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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if(BROTLI_EMSCRIPTEN)
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set(BUILD_SHARED_LIBS OFF)
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endif()
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add_library(brotlicommon ${BROTLI_COMMON_C})
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add_library(brotlidec ${BROTLI_DEC_C})
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add_library(brotlienc ${BROTLI_ENC_C})
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# Older CMake versions does not understand INCLUDE_DIRECTORIES property.
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include_directories(${BROTLI_INCLUDE_DIRS})
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if(BUILD_SHARED_LIBS)
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foreach(lib ${BROTLI_LIBRARIES_CORE})
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target_compile_definitions(${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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endif()
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foreach(lib ${BROTLI_LIBRARIES_CORE})
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target_link_libraries(${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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if(NOT BROTLI_EMSCRIPTEN)
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set_target_properties(${lib} PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
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endif()
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set_property(TARGET ${lib} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "$<BUILD_INTERFACE:${BROTLI_INCLUDE_DIRS}>")
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endforeach()
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if(NOT BROTLI_EMSCRIPTEN)
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target_link_libraries(brotlidec brotlicommon)
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target_link_libraries(brotlienc brotlicommon)
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endif()
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# For projects stuck on older versions of CMake, this will set the
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# BROTLI_INCLUDE_DIRS and BROTLI_LIBRARIES variables so they still
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# have a relatively easy way to use Brotli:
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#
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# include_directories(${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 ${BROTLI_LIBRARIES})
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# Installation
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if(NOT BROTLI_BUNDLED_MODE)
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install(
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TARGETS brotli
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RUNTIME DESTINATION "${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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DIRECTORY ${BROTLI_INCLUDE_DIRS}/brotli
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
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)
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endif() # BROTLI_BUNDLED_MODE
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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_WRAPPER NAMES wine)
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if(NOT BROTLI_WRAPPER)
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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 our compiler is a cross-compiler that we know about (arm/aarch64),
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# then we need to use qemu to execute the tests.
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if(NOT BROTLI_DISABLE_TESTS)
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if ("${CMAKE_C_COMPILER}" MATCHES "^.*/arm-linux-gnueabihf-.*$")
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message(STATUS "Detected arm-linux-gnueabihf cross-compilation")
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set(BROTLI_WRAPPER "qemu-arm")
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set(BROTLI_WRAPPER_LD_PREFIX "/usr/arm-linux-gnueabihf")
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endif()
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if ("${CMAKE_C_COMPILER}" MATCHES "^.*/arm-linux-gnueabi-.*$")
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message(STATUS "Detected arm-linux-gnueabi cross-compilation")
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set(BROTLI_WRAPPER "qemu-arm")
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set(BROTLI_WRAPPER_LD_PREFIX "/usr/arm-linux-gnueabi")
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endif()
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if ("${CMAKE_C_COMPILER}" MATCHES "^.*/aarch64-linux-gnu-.*$")
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message(STATUS "Detected aarch64-linux-gnu cross-compilation")
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set(BROTLI_WRAPPER "qemu-aarch64")
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set(BROTLI_WRAPPER_LD_PREFIX "/usr/aarch64-linux-gnu")
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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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if (EXISTS "${INPUT_FILE}")
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foreach(quality 1 6 9 11)
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add_test(NAME "${BROTLI_TEST_PREFIX}roundtrip/${INPUT}/${quality}"
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COMMAND "${CMAKE_COMMAND}"
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-DBROTLI_WRAPPER=${BROTLI_WRAPPER}
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-DBROTLI_WRAPPER_LD_PREFIX=${BROTLI_WRAPPER_LD_PREFIX}
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-DBROTLI_CLI=$<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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else()
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message(WARNING "Test file ${INPUT} does not exist.")
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endif()
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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=${BROTLI_WRAPPER}
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-DBROTLI_WRAPPER_LD_PREFIX=${BROTLI_WRAPPER_LD_PREFIX}
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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() # BROTLI_BUNDLED_MODE
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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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