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CMakeLists.txt
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cmake_minimum_required (VERSION 3.16)
project(tigz)
include(ExternalProject)
set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
## Determine build type and set flags accordingly
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release) ## Build Release by default
endif()
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra -Wpedantic -g")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
## Rapidgzip doesn't compile without this
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconstexpr-ops-limit=67108864")
if (CMAKE_WITH_NATIVE_INSTRUCTIONS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mtune=native")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
else()
set(CMAKE_WITH_NATIVE_INSTRUCTIONS 0)
endif()
## Link time optimization
if(CMAKE_WITH_FLTO)
cmake_policy(SET CMP0069 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION 1)
endif()
cmake_policy(SET CMP0097 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0097 NEW)
## Set C++17 support
set (CMAKE_CXX_STANDARD 17)
set (CMAKE_CXX_STANDARD_REQUIRED ON)
## alignment-writer executable
add_executable(tigz ${CMAKE_CURRENT_SOURCE_DIR}/src/tigz.cpp)
## Include project headers
if (NOT DEFINED CMAKE_TIGZ_HEADERS)
set(CMAKE_TIGZ_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/include ${CMAKE_CURRENT_BINARY_DIR}/include)
endif()
include_directories(${CMAKE_TIGZ_HEADERS})
## Dependencies
## Threads
find_package(Threads REQUIRED)
target_link_libraries(tigz Threads::Threads)
### libdeflate
if (DEFINED CMAKE_LIBDEFLATE_HEADERS AND DEFINED CMAKE_LIBDEFLATE_LIBRARY)
message(STATUS "libdeflate headers provided in: ${CMAKE_LIBDEFLATE_HEADERS}")
message(STATUS "libdeflate library provided in: ${CMAKE_LIBDEFLATE_LIBRARY}")
else()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/CMakeLists-libdeflate.txt.in ${CMAKE_BINARY_DIR}/external/libdeflate-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/libdeflate-download )
if(result)
message(FATAL_ERROR "CMake step for libdeflate failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/libdeflate-download )
if(result)
message(FATAL_ERROR "Build step for libdeflate failed: ${result}")
endif()
ExternalProject_Add(libdeflate
SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/external/libdeflate"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/external/libdeflate-download/libdeflate-download-prefix/src/libdeflate-download-build"
BUILD_IN_SOURCE 0
CONFIGURE_COMMAND ""
INSTALL_COMMAND ""
TEST_COMMAND ""
UPDATE_COMMAND ""
)
add_dependencies(tigz libdeflate)
set(CMAKE_LIBDEFLATE_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/external/libdeflate)
set(CMAKE_LIBDEFLATE_LIBRARY ${CMAKE_CURRENT_BINARY_DIR}/external/libdeflate-download/libdeflate-download-prefix/src/libdeflate-download-build/libdeflate.a)
endif()
include_directories(${CMAKE_LIBDEFLATE_HEADERS})
target_link_libraries(tigz ${CMAKE_LIBDEFLATE_LIBRARY})
### zlib-ng
if (DEFINED CMAKE_ZLIB_HEADERS AND DEFINED CMAKE_ZLIB_LIBRARY)
message(STATUS "zlib headers provided in: ${CMAKE_ZLIB_HEADERS}")
message(STATUS "zlib library provided in: ${CMAKE_ZLIB_LIBRARY}")
else()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/CMakeLists-zlibng.txt.in ${CMAKE_BINARY_DIR}/external/zlib-ng-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/zlib-ng-download )
if(result)
message(FATAL_ERROR "CMake step for zlib-ng failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/zlib-ng-download )
if(result)
message(FATAL_ERROR "Build step for zlib-ng failed: ${result}")
endif()
ExternalProject_Add(zlibng
SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/external/zlib-ng"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/external/zlib-ng-download/zlibng-download-prefix/src/zlibng-download-build"
BUILD_IN_SOURCE 0
CONFIGURE_COMMAND ""
INSTALL_COMMAND ""
TEST_COMMAND ""
UPDATE_COMMAND "")
add_dependencies(tigz zlibng)
set(CMAKE_ZLIB_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/zlibng-prefix/src/zlibng-build)
set(CMAKE_ZLIB_LIBRARY ${CMAKE_CURRENT_BINARY_DIR}/external/zlib-ng-download/zlibng-download-prefix/src/zlibng-download-build/libz.a)
endif()
include_directories(${CMAKE_ZLIB_HEADERS})
target_link_libraries(tigz ${CMAKE_ZLIB_LIBRARY})
### cxxopts
if (DEFINED CMAKE_CXXOPTS_HEADERS)
message(STATUS "cxxopts headers provided in: ${CMAKE_CXXOPTS_HEADERS}")
else()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/CMakeLists-cxxopts.txt.in ${CMAKE_BINARY_DIR}/external/cxxopts-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/cxxopts-download )
if(result)
message(FATAL_ERROR "CMake step for cxxopts failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/cxxopts-download )
if(result)
message(FATAL_ERROR "Build step for cxxopts failed: ${result}")
endif()
set(CMAKE_CXXOPTS_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/external/cxxopts/include)
endif()
include_directories(${CMAKE_CXXOPTS_HEADERS})
### rapidgzip
if (DEFINED CMAKE_RAPIDGZIP_HEADERS)
message(STATUS "rapidgzip headers provided in: ${CMAKE_RAPIDGZIP_HEADERS}")
else()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/CMakeLists-rapidgzip.txt.in ${CMAKE_BINARY_DIR}/external/rapidgzip-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/rapidgzip-download )
if(result)
message(FATAL_ERROR "CMake step for rapidgzip failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/rapidgzip-download )
if(result)
message(FATAL_ERROR "Build step for rapidgzip failed: ${result}")
endif()
set(CMAKE_RAPIDGZIP_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/external/rapidgzip/src/core ${CMAKE_CURRENT_BINARY_DIR}/external/rapidgzip/src/rapidgzip)
endif()
include_directories(${CMAKE_RAPIDGZIP_HEADERS})
### BS::thread_pool
if (DEFINED CMAKE_BS_THREAD_POOL_HEADERS)
message(STATUS "BS::thread_pool headers provided in: ${CMAKE_BS_THREAD_POOL_HEADERS}")
else()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/CMakeLists-bs_thread_pool.txt.in ${CMAKE_BINARY_DIR}/external/bs_thread_pool-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/bs_thread_pool-download )
if(result)
message(FATAL_ERROR "CMake step for BS::thread_pool failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/external/bs_thread_pool-download )
if(result)
message(FATAL_ERROR "Build step for BS::thread_pool failed: ${result}")
endif()
set(CMAKE_BS_THREAD_POOL_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/external/bs_thread_pool/include)
endif()
include_directories(${CMAKE_BS_THREAD_POOL_HEADERS})
## Get version number from git tags
find_package(Git)
if(GIT_FOUND)
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --tags
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE TIGZ_BUILD_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
message( STATUS "tigz version: ${TIGZ_BUILD_VERSION}")
else()
message(STATUS "GIT not found, version numbering disabled")
set(TIGZ_BUILD_VERSION "unknown")
endif()
string(TIMESTAMP TIGZ_BUILD_TIMESTAMP)
## Generate a version.h file containing build version and timestamp
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config/tigz_version.h.in ${CMAKE_CURRENT_BINARY_DIR}/include/tigz_version.h @ONLY)
## make install
install(TARGETS tigz)