236 lines
8.3 KiB
CMake
236 lines
8.3 KiB
CMake
|
# CMake support for LZ4
|
||
|
|
#
|
||
|
|
# To the extent possible under law, the author(s) have dedicated all
|
||
|
|
# copyright and related and neighboring rights to this software to
|
||
|
|
# the public domain worldwide. This software is distributed without
|
||
|
|
# any warranty.
|
||
|
|
#
|
||
|
|
# For details, see <http://creativecommons.org/publicdomain/zero/1.0/>.
|
||
|
|
#
|
||
|
|
# LZ4's CMake support is maintained by Evan Nemerson; when filing
|
||
|
|
# bugs please mention @nemequ to make sure I see it.
|
||
|
|
|
||
|
|
set(LZ4_TOP_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
|
||
|
|
|
||
|
|
option(LZ4_BUILD_CLI "Build lz4 program" ON)
|
||
|
|
option(LZ4_BUILD_LEGACY_LZ4C "Build lz4c progam with legacy argument support" ON)
|
||
|
|
|
||
|
|
# Parse version information
|
||
|
|
file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_MAJOR REGEX "^#define LZ4_VERSION_MAJOR +([0-9]+) +.*$")
|
||
|
|
string(REGEX REPLACE "^#define LZ4_VERSION_MAJOR +([0-9]+) +.*$" "\\1" LZ4_VERSION_MAJOR "${LZ4_VERSION_MAJOR}")
|
||
|
|
file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_MINOR REGEX "^#define LZ4_VERSION_MINOR +([0-9]+) +.*$")
|
||
|
|
string(REGEX REPLACE "^#define LZ4_VERSION_MINOR +([0-9]+) +.*$" "\\1" LZ4_VERSION_MINOR "${LZ4_VERSION_MINOR}")
|
||
|
|
file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_RELEASE REGEX "^#define LZ4_VERSION_RELEASE +([0-9]+) +.*$")
|
||
|
|
string(REGEX REPLACE "^#define LZ4_VERSION_RELEASE +([0-9]+) +.*$" "\\1" LZ4_VERSION_RELEASE "${LZ4_VERSION_RELEASE}")
|
||
|
|
set(LZ4_VERSION_STRING "${LZ4_VERSION_MAJOR}.${LZ4_VERSION_MINOR}.${LZ4_VERSION_RELEASE}")
|
||
|
|
mark_as_advanced(LZ4_VERSION_STRING LZ4_VERSION_MAJOR LZ4_VERSION_MINOR LZ4_VERSION_RELEASE)
|
||
|
|
|
||
|
|
if("${CMAKE_VERSION}" VERSION_LESS "3.0")
|
||
|
|
project(LZ4 C)
|
||
|
|
else()
|
||
|
|
cmake_policy (SET CMP0048 NEW)
|
||
|
|
project(LZ4
|
||
|
|
VERSION ${LZ4_VERSION_STRING}
|
||
|
|
LANGUAGES C)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
cmake_minimum_required (VERSION 2.8.6)
|
||
|
|
|
||
|
|
# If LZ4 is being bundled in another project, we don't want to
|
||
|
|
# install anything. However, we want to let people override this, so
|
||
|
|
# we'll use the LZ4_BUNDLED_MODE variable to let them do that; just
|
||
|
|
# set it to OFF in your project before you add_subdirectory(lz4/contrib/cmake_unofficial).
|
||
|
|
get_directory_property(LZ4_PARENT_DIRECTORY PARENT_DIRECTORY)
|
||
|
|
if("${LZ4_BUNDLED_MODE}" STREQUAL "")
|
||
|
|
# 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("${LZ4_PARENT_DIRECTORY}" STREQUAL "")
|
||
|
|
set(LZ4_BUNDLED_MODE OFF)
|
||
|
|
else()
|
||
|
|
set(LZ4_BUNDLED_MODE ON)
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
mark_as_advanced(LZ4_BUNDLED_MODE)
|
||
|
|
|
||
|
|
# CPack
|
||
|
|
if(NOT LZ4_BUNDLED_MODE AND NOT CPack_CMake_INCLUDED)
|
||
|
|
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LZ4 compression library")
|
||
|
|
set(CPACK_PACKAGE_DESCRIPTION_FILE "${LZ4_TOP_SOURCE_DIR}/README.md")
|
||
|
|
set(CPACK_RESOURCE_FILE_LICENSE "${LZ4_TOP_SOURCE_DIR}/LICENSE")
|
||
|
|
set(CPACK_PACKAGE_VERSION_MAJOR ${LZ4_VERSION_MAJOR})
|
||
|
|
set(CPACK_PACKAGE_VERSION_MINOR ${LZ4_VERSION_MINOR})
|
||
|
|
set(CPACK_PACKAGE_VERSION_PATCH ${LZ4_VERSION_RELEASE})
|
||
|
|
include(CPack)
|
||
|
|
endif(NOT LZ4_BUNDLED_MODE AND NOT CPack_CMake_INCLUDED)
|
||
|
|
|
||
|
|
# Allow people to choose whether to build shared or static libraries
|
||
|
|
# via the BUILD_SHARED_LIBS option unless we are in bundled mode, in
|
||
|
|
# which case we always use static libraries.
|
||
|
|
include(CMakeDependentOption)
|
||
|
|
CMAKE_DEPENDENT_OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON "NOT LZ4_BUNDLED_MODE" OFF)
|
||
|
|
CMAKE_DEPENDENT_OPTION(BUILD_STATIC_LIBS "Build static libraries" OFF "BUILD_SHARED_LIBS" ON)
|
||
|
|
|
||
|
|
if(NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
|
||
|
|
message(FATAL_ERROR "Both BUILD_SHARED_LIBS and BUILD_STATIC_LIBS have been disabled")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
set(LZ4_LIB_SOURCE_DIR "${LZ4_TOP_SOURCE_DIR}/lib")
|
||
|
|
set(LZ4_PROG_SOURCE_DIR "${LZ4_TOP_SOURCE_DIR}/programs")
|
||
|
|
|
||
|
|
include_directories("${LZ4_LIB_SOURCE_DIR}")
|
||
|
|
|
||
|
|
# CLI sources
|
||
|
|
set(LZ4_SOURCES
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4.c"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4hc.c"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4.h"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4hc.h"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4frame.c"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4frame.h"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/xxhash.c")
|
||
|
|
set(LZ4_CLI_SOURCES
|
||
|
|
"${LZ4_PROG_SOURCE_DIR}/bench.c"
|
||
|
|
"${LZ4_PROG_SOURCE_DIR}/lz4cli.c"
|
||
|
|
"${LZ4_PROG_SOURCE_DIR}/lz4io.c"
|
||
|
|
"${LZ4_PROG_SOURCE_DIR}/datagen.c")
|
||
|
|
|
||
|
|
# Whether to use position independent code for the static library. If
|
||
|
|
# we're building a shared library this is ignored and PIC is always
|
||
|
|
# used.
|
||
|
|
option(LZ4_POSITION_INDEPENDENT_LIB "Use position independent code for static library (if applicable)" ON)
|
||
|
|
|
||
|
|
# liblz4
|
||
|
|
set(LZ4_LIBRARIES_BUILT)
|
||
|
|
if(BUILD_SHARED_LIBS)
|
||
|
|
add_library(lz4_shared SHARED ${LZ4_SOURCES})
|
||
|
|
set_target_properties(lz4_shared PROPERTIES
|
||
|
|
OUTPUT_NAME lz4
|
||
|
|
SOVERSION "${LZ4_VERSION_MAJOR}"
|
||
|
|
VERSION "${LZ4_VERSION_STRING}")
|
||
|
|
if(MSVC)
|
||
|
|
target_compile_definitions(lz4_shared PRIVATE
|
||
|
|
LZ4_DLL_EXPORT=1)
|
||
|
|
endif()
|
||
|
|
list(APPEND LZ4_LIBRARIES_BUILT lz4_shared)
|
||
|
|
endif()
|
||
|
|
if(BUILD_STATIC_LIBS)
|
||
|
|
add_library(lz4_static STATIC ${LZ4_SOURCES})
|
||
|
|
set_target_properties(lz4_static PROPERTIES
|
||
|
|
OUTPUT_NAME lz4
|
||
|
|
POSITION_INDEPENDENT_CODE ${LZ4_POSITION_INDEPENDENT_LIB})
|
||
|
|
list(APPEND LZ4_LIBRARIES_BUILT lz4_static)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# link to shared whenever possible, to static otherwise
|
||
|
|
if(BUILD_SHARED_LIBS)
|
||
|
|
set(LZ4_LINK_LIBRARY lz4_shared)
|
||
|
|
else()
|
||
|
|
set(LZ4_LINK_LIBRARY lz4_static)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# lz4
|
||
|
|
if (LZ4_BUILD_CLI)
|
||
|
|
set(LZ4_PROGRAMS_BUILT lz4cli)
|
||
|
|
add_executable(lz4cli ${LZ4_CLI_SOURCES})
|
||
|
|
set_target_properties(lz4cli PROPERTIES OUTPUT_NAME lz4)
|
||
|
|
target_link_libraries(lz4cli ${LZ4_LINK_LIBRARY})
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# lz4c
|
||
|
|
if (LZ4_BUILD_LEGACY_LZ4C)
|
||
|
|
list(APPEND LZ4_PROGRAMS_BUILT lz4c)
|
||
|
|
add_executable(lz4c ${LZ4_CLI_SOURCES})
|
||
|
|
set_target_properties(lz4c PROPERTIES COMPILE_DEFINITIONS "ENABLE_LZ4C_LEGACY_OPTIONS")
|
||
|
|
target_link_libraries(lz4c ${LZ4_LINK_LIBRARY})
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# Extra warning flags
|
||
|
|
include (CheckCCompilerFlag)
|
||
|
|
foreach (flag
|
||
|
|
# GCC-style
|
||
|
|
-Wall
|
||
|
|
-Wextra
|
||
|
|
-Wundef
|
||
|
|
-Wcast-qual
|
||
|
|
-Wcast-align
|
||
|
|
-Wshadow
|
||
|
|
-Wswitch-enum
|
||
|
|
-Wdeclaration-after-statement
|
||
|
|
-Wstrict-prototypes
|
||
|
|
-Wpointer-arith
|
||
|
|
|
||
|
|
# MSVC-style
|
||
|
|
/W4)
|
||
|
|
# Because https://gcc.gnu.org/wiki/FAQ#wnowarning
|
||
|
|
string(REGEX REPLACE "\\-Wno\\-(.+)" "-W\\1" flag_to_test "${flag}")
|
||
|
|
string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" test_name "CFLAG_${flag_to_test}")
|
||
|
|
|
||
|
|
check_c_compiler_flag("${ADD_COMPILER_FLAGS_PREPEND} ${flag_to_test}" ${test_name})
|
||
|
|
|
||
|
|
if(${test_name})
|
||
|
|
set(CMAKE_C_FLAGS "${flag} ${CMAKE_C_FLAGS}")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
unset(test_name)
|
||
|
|
unset(flag_to_test)
|
||
|
|
endforeach (flag)
|
||
|
|
|
||
|
|
if(NOT LZ4_BUNDLED_MODE)
|
||
|
|
include(GNUInstallDirs)
|
||
|
|
|
||
|
|
install(TARGETS ${LZ4_PROGRAMS_BUILT}
|
||
|
|
BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
||
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
|
||
|
|
install(TARGETS ${LZ4_LIBRARIES_BUILT}
|
||
|
|
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
||
|
|
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
||
|
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
|
||
|
|
install(FILES
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4.h"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4frame.h"
|
||
|
|
"${LZ4_LIB_SOURCE_DIR}/lz4hc.h"
|
||
|
|
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
|
||
|
|
install(FILES "${LZ4_PROG_SOURCE_DIR}/lz4.1"
|
||
|
|
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
|
||
|
|
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblz4.pc"
|
||
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
|
||
|
|
|
||
|
|
# install lz4cat and unlz4 symlinks on *nix
|
||
|
|
if(UNIX AND LZ4_BUILD_CLI)
|
||
|
|
install(CODE "
|
||
|
|
foreach(f lz4cat unlz4)
|
||
|
|
set(dest \"\$ENV{DESTDIR}${CMAKE_INSTALL_FULL_BINDIR}/\${f}\")
|
||
|
|
message(STATUS \"Symlinking: \${dest} -> lz4\")
|
||
|
|
execute_process(
|
||
|
|
COMMAND \"${CMAKE_COMMAND}\" -E create_symlink lz4 \"\${dest}\")
|
||
|
|
endforeach()
|
||
|
|
")
|
||
|
|
|
||
|
|
# create manpage aliases
|
||
|
|
foreach(f lz4cat unlz4)
|
||
|
|
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${f}.1" ".so man1/lz4.1\n")
|
||
|
|
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${f}.1"
|
||
|
|
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
|
||
|
|
endforeach()
|
||
|
|
endif(UNIX AND LZ4_BUILD_CLI)
|
||
|
|
endif(NOT LZ4_BUNDLED_MODE)
|
||
|
|
|
||
|
|
# pkg-config
|
||
|
|
set(PREFIX "${CMAKE_INSTALL_PREFIX}")
|
||
|
|
|
||
|
|
if("${CMAKE_INSTALL_FULL_LIBDIR}" STREQUAL "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
|
||
|
|
set(LIBDIR "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
|
||
|
|
else()
|
||
|
|
set(LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
if("${CMAKE_INSTALL_FULL_INCLUDEDIR}" STREQUAL "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}")
|
||
|
|
set(INCLUDEDIR "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
|
||
|
|
else()
|
||
|
|
set(INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# for liblz4.pc substitution
|
||
|
|
set(VERSION ${LZ4_VERSION_STRING})
|
||
|
|
configure_file(${LZ4_LIB_SOURCE_DIR}/liblz4.pc.in liblz4.pc @ONLY)
|