package An official xmake package repository https://xrepo.xmake.io/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

158 lines
5.3 KiB

cmake_minimum_required(VERSION 3.15)
project(turbobase64 C)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
# Run cmake -D<OPTION>=ON|OFF to turn on/off options.
# Usage example:
# cmake -B build -S . -DNCHECK=ON
# cmake --build build
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(NCHECK "Dinsable for checking for more fast decoding" OFF)
# default=partial checking, detect allmost all errors
option(FULLCHECK "Enable full base64 checking" OFF)
option(USE_AVX512 "Enable AVX512" OFF)
option(BUILD_APP "Build executables" OFF)
message(STATUS "Configuring with CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}")
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
set(ARCH_AMD64 ON)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(ARCH_AARCH64 ON)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64le")
set(ARCH_PPC64LE ON)
endif()
set(CMAKE_C_FLAGS_RELEASE "-O3")
set(CMAKE_C_FLAGS_DEBUG "-O0 -ggdb")
# Set compiler options.
if(NCHECK)
add_compile_definitions(NB64CHECK)
endif()
if(FULLCHECK)
add_compile_definitions(DB64CHECK)
endif()
if(USE_AVX512)
add_compile_definitions(USE_AVX512)
endif()
if(ARCH_PPC64LE)
set(MARCH "-march=power9 -mtune=power9")
set(MSSE "-D__SSSE3__")
elseif(ARCH_AARCH64)
set(MARCH "-march=armv8-a")
else()
set(MARCH "-march=native")
set(MSSE "-mssse3")
endif()
# Object library is just a bunch of object files.
add_library(_b64_scalar OBJECT turbob64c.c turbob64d.c)
target_compile_options(_b64_scalar PRIVATE ${MARCH} -falign-loops)
# turbob64v128.c contains code for SSE, AVX, NEON, Power9.
# It's compiled twice with different flags.
add_library(_b64_v128 OBJECT turbob64v128.c)
target_compile_options(_b64_v128 PRIVATE ${MSSE} -falign-loops)
# Use a list to collect all object libraries.
set(_b64_objs _b64_scalar _b64_v128)
if(ARCH_AMD64)
# Compile turbob64v128.c for the second time.
add_library(_b64_avx OBJECT turbob64v128.c)
target_compile_options(_b64_avx PRIVATE -march=corei7-avx -mtune=corei7-avx -mno-aes -fstrict-aliasing)
list(APPEND _b64_objs _b64_avx)
add_library(_b64_v256 OBJECT turbob64v256.c)
target_compile_options(_b64_v256 PRIVATE -march=haswell -fstrict-aliasing -falign-loops)
list(APPEND _b64_objs _b64_v256)
endif()
if(BUILD_SHARED_LIBS)
add_library(base64 SHARED)
else()
add_library(base64 STATIC)
endif()
foreach(_obj ${_b64_objs})
set_target_properties(${_obj} PROPERTIES POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS})
target_sources(base64 PRIVATE $<TARGET_OBJECTS:${_obj}>)
endforeach()
# The XCODE fix is from https://github.com/ClickHouse/ClickHouse/blob/cf7d354a693f15fc5941edbf39e295d0bf8de21c/contrib%2Fbase64-cmake%2FCMakeLists.txt#L46-L54
if(XCODE OR XCODE_VERSION)
# https://gitlab.kitware.com/cmake/cmake/issues/17457
# Some native build systems may not like targets that have only object files, so consider adding at least one real source file
# This applies to Xcode.
if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/dummy.c")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.c" "")
endif()
target_sources(base64 PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/dummy.c")
endif()
if(BUILD_APP)
add_executable(tb64app tb64app.c)
target_link_libraries(tb64app base64)
endif()
# Set package information.
set(PACKAGE_NAME ${PROJECT_NAME})
set(PACKAGE_NAMESPACE "turbo::")
# For CMAKE_INSTALL_{INCLUDEDIR,LIBDIR} etc.
include(GNUInstallDirs)
set(CONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PACKAGE_NAME}")
# Please refer "Modern CMake" on how to install a library.
# https://cliutils.gitlab.io/modern-cmake/chapters/install/installing.html
# Also refer to cmake documentation
# https://cmake.org/cmake/help/latest/guide/importing-exporting/index.html
# Set PUBLIC_HEADER property for install(TARGETS) to install header file.
set_target_properties(base64 PROPERTIES PUBLIC_HEADER "${CMAKE_SOURCE_DIR}/turbob64.h")
# Set includes destination for install(TARGETS), which will be added
# to INTERFACE_INCLUDE_DIRECTORIES target property.
# So user only need to call "target_link_libraries(turbo::base64)", without
# needing to set include directories.
target_include_directories(
base64 SYSTEM PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> # For being used from add_subdirectory.
$<INSTALL_INTERFACE:include> # When being used from an installation.
)
# Installs library along with header files.
# Also associates the installed target files with an export.
install(
TARGETS base64
EXPORT ${PACKAGE_NAME}-targets
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${PACKAGE_NAME}"
)
# Generates and installs cmake config files containing exported targets.
install(
EXPORT ${PACKAGE_NAME}-targets
DESTINATION "${CONFIG_INSTALL_DIR}"
NAMESPACE ${PACKAGE_NAMESPACE}
)
# Generate cmake config-files from template.
include(CMakePackageConfigHelpers)
configure_package_config_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PACKAGE_NAME}-config.cmake.in"
${PACKAGE_NAME}-config.cmake
INSTALL_DESTINATION "${CONFIG_INSTALL_DIR}"
#NO_CHECK_REQUIRED_COMPONENTS_MACRO
# PATH_VARS can be referenced in config template file with PACKAGE_<var>.
PATH_VARS CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake"
DESTINATION "${CONFIG_INSTALL_DIR}"
)