Merge pull request #260 from nemequ/dev
cmake: significant changes to accomodate a new "bundled" mode.
This commit is contained in:
Yann Collet
GitHub
commit
bd88e4007b
@ -1,110 +1,157 @@
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PROJECT(LZ4 C)
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set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LZ4 compression library")
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set(CPACK_PACKAGE_VERSION_MAJOR 1)
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set(CPACK_PACKAGE_VERSION_MINOR 7)
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set(CPACK_PACKAGE_VERSION_PATCH 2)
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set(VERSION_STRING " \"${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}\" ")
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include(CPack)
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set(LZ4_TOP_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
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cmake_minimum_required (VERSION 2.6)
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INCLUDE (CheckTypeSize)
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check_type_size("void *" SIZEOF_VOID_P)
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IF(SIZEOF_VOID_P STREQUAL "8")
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set (CMAKE_SYSTEM_PROCESSOR "64bit")
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MESSAGE( STATUS "64 bit architecture detected size of void * is " ${SIZEOF_VOID_P})
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ENDIF()
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# Parse version information
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file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_MAJOR REGEX "^#define LZ4_VERSION_MAJOR +([0-9]+) +.*$")
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string(REGEX REPLACE "^#define LZ4_VERSION_MAJOR +([0-9]+) +.*$" "\\1" LZ4_VERSION_MAJOR "${LZ4_VERSION_MAJOR}")
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file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_MINOR REGEX "^#define LZ4_VERSION_MINOR +([0-9]+) +.*$")
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string(REGEX REPLACE "^#define LZ4_VERSION_MINOR +([0-9]+) +.*$" "\\1" LZ4_VERSION_MINOR "${LZ4_VERSION_MINOR}")
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file(STRINGS "${LZ4_TOP_SOURCE_DIR}/lib/lz4.h" LZ4_VERSION_RELEASE REGEX "^#define LZ4_VERSION_RELEASE +([0-9]+) +.*$")
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string(REGEX REPLACE "^#define LZ4_VERSION_RELEASE +([0-9]+) +.*$" "\\1" LZ4_VERSION_RELEASE "${LZ4_VERSION_RELEASE}")
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set(LZ4_VERSION_STRING "${LZ4_VERSION_MAJOR}.${LZ4_VERSION_MINOR}.${LZ4_VERSION_RELEASE}")
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mark_as_advanced(LZ4_VERSION_STRING LZ4_VERSION_MAJOR LZ4_VERSION_MINOR LZ4_VERSION_RELEASE)
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option(BUILD_TOOLS "Build the command line tools" ON)
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option(BUILD_LIBS "Build the libraries in addition to the tools" ON)
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option(LINK_TOOLS_WITH_LIB "Link the command line tools with the (shared) library" OFF)
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IF(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
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CMAKE_C_COMPILER_ID STREQUAL "Clang")
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SET(GNU_COMPATIBLE_COMPILER 1)
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ENDIF()
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set(LZ4_DIR ../../lib/)
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set(PRG_DIR ../../programs/)
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set(LZ4_SRCS_LIB ${LZ4_DIR}lz4.c ${LZ4_DIR}lz4hc.c ${LZ4_DIR}lz4.h ${LZ4_DIR}lz4hc.h ${LZ4_DIR}lz4frame.c ${LZ4_DIR}lz4frame.h ${LZ4_DIR}xxhash.c)
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set(LZ4_SRCS ${LZ4_DIR}lz4frame.c ${LZ4_DIR}xxhash.c ${PRG_DIR}bench.c ${PRG_DIR}lz4cli.c ${PRG_DIR}lz4io.c ${PRG_DIR}datagen.c)
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if(BUILD_TOOLS AND NOT (LINK_TOOLS_WITH_LIB AND BUILD_LIBS))
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set(LZ4_SRCS ${LZ4_SRCS} ${LZ4_SRCS_LIB})
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if("${CMAKE_VERSION}" VERSION_LESS "3.0")
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project(LZ4 C)
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else()
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cmake_policy (SET CMP0048 NEW)
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project(LZ4
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VERSION ${LZ4_VERSION_STRING}
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LANGUAGES C)
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endif()
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if(BUILD_TOOLS)
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add_executable(lz4 ${LZ4_SRCS})
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install(TARGETS lz4 RUNTIME DESTINATION "bin/")
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cmake_minimum_required (VERSION 2.8.6)
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# If LZ4 is being bundled in another project, we don't want to
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# install anything. However, we want to let people override this, so
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# we'll use the LZ4_BUNDLED_MODE variable to let them do that; just
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# set it to OFF in your project before you add_subdirectory(lz4/contrib/cmake_unofficial).
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get_directory_property(LZ4_PARENT_DIRECTORY PARENT_DIRECTORY)
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if("${LZ4_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("${LZ4_PARENT_DIRECTORY}" STREQUAL "")
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set(LZ4_BUNDLED_MODE OFF)
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else()
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set(LZ4_BUNDLED_MODE ON)
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endif()
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endif()
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mark_as_advanced(LZ4_BUNDLED_MODE)
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# CPack
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if(NOT LZ4_BUNDLED_MODE AND NOT CPack_CMake_INCLUDED)
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set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LZ4 compression library")
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set(CPACK_PACKAGE_DESCRIPTION_FILE "${LZ4_TOP_SOURCE_DIR}/README.md")
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set(CPACK_RESOURCE_FILE_LICENSE "${LZ4_TOP_SOURCE_DIR}/LICENSE")
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set(CPACK_PACKAGE_VERSION_MAJOR ${LZ4_VERSION_MAJOR})
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set(CPACK_PACKAGE_VERSION_MINOR ${LZ4_VERSION_MINOR})
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set(CPACK_PACKAGE_VERSION_PATCH ${LZ4_VERSION_RELEASE})
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include(CPack)
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endif(NOT LZ4_BUNDLED_MODE AND NOT CPack_CMake_INCLUDED)
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# Allow people to choose whether to build shared or static libraries
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# via the BUILD_SHARED_LIBS option unless we are in bundled mode, in
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# which case we always use static libraries.
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include(CMakeDependentOption)
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CMAKE_DEPENDENT_OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON "NOT LZ4_BUNDLED_MODE" OFF)
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set(LZ4_LIB_SOURCE_DIR "${LZ4_TOP_SOURCE_DIR}/lib")
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set(LZ4_PROG_SOURCE_DIR "${LZ4_TOP_SOURCE_DIR}/programs")
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include_directories("${LZ4_LIB_SOURCE_DIR}")
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# CLI sources
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set(LZ4_SOURCES
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"${LZ4_LIB_SOURCE_DIR}/lz4.c"
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"${LZ4_LIB_SOURCE_DIR}/lz4hc.c"
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"${LZ4_LIB_SOURCE_DIR}/lz4.h"
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"${LZ4_LIB_SOURCE_DIR}/lz4hc.h"
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"${LZ4_LIB_SOURCE_DIR}/lz4frame.c"
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"${LZ4_LIB_SOURCE_DIR}/lz4frame.h"
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"${LZ4_LIB_SOURCE_DIR}/xxhash.c")
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set(LZ4_CLI_SOURCES
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"${LZ4_PROG_SOURCE_DIR}/bench.c"
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"${LZ4_PROG_SOURCE_DIR}/lz4cli.c"
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"${LZ4_PROG_SOURCE_DIR}/lz4io.c"
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"${LZ4_PROG_SOURCE_DIR}/datagen.c")
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# liblz4
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add_library(lz4 ${LZ4_SOURCES})
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set_target_properties(lz4 PROPERTIES
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SOVERSION "${LZ4_VERSION_STRING}"
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VERSION "${LZ4_VERSION_STRING}"
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POSITION_INDEPENDENT_CODE TRUE)
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# lz4
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add_executable(lz4cli ${LZ4_CLI_SOURCES})
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set_target_properties(lz4cli PROPERTIES OUTPUT_NAME lz4)
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target_link_libraries(lz4cli lz4)
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# lz4c
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add_executable(lz4c ${LZ4_CLI_SOURCES})
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set_target_properties(lz4c PROPERTIES COMPILE_DEFINITIONS "ENABLE_LZ4C_LEGACY_OPTIONS")
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target_link_libraries(lz4c lz4)
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# Extra warning flags
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include (CheckCCompilerFlag)
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foreach (flag
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# GCC-style
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-Wall
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-Wextra
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-Wundef
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-Wcast-qual
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-Wcast-align
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-Wshadow
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-Wswitch-enum
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-Wdeclaration-after-statement
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-Wstrict-prototypes
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-Wpointer-arith
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# MSVC-style
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/W4)
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# Because https://gcc.gnu.org/wiki/FAQ#wnowarning
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string(REGEX REPLACE "\\-Wno\\-(.+)" "-W\\1" flag_to_test "${flag}")
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string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" test_name "CFLAG_${flag_to_test}")
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check_c_compiler_flag("${ADD_COMPILER_FLAGS_PREPEND} ${flag_to_test}" ${test_name})
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if(${test_name})
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set(CMAKE_C_FLAGS "${flag} ${CMAKE_C_FLAGS}")
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endif()
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unset(test_name)
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unset(flag_to_test)
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endforeach (flag)
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if(NOT LZ4_BUNDLED_MODE)
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include(GNUInstallDirs)
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install(TARGETS lz4cli lz4c
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
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install(TARGETS lz4
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}")
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install(FILES
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"${LZ4_LIB_SOURCE_DIR}/lz4.h"
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"${LZ4_LIB_SOURCE_DIR}/lz4frame.h"
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"${LZ4_LIB_SOURCE_DIR}/lz4hc.h"
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblz4.pc"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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endif(NOT LZ4_BUNDLED_MODE)
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# pkg-config
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set(PREFIX "${CMAKE_INSTALL_PREFIX}")
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if("${CMAKE_INSTALL_FULL_LIBDIR}" STREQUAL "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
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set(LIBDIR "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
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else()
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set(LIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}")
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endif()
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if(BUILD_LIBS)
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SET(LIBS_TARGETS "")
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IF(WIN32)
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add_library(liblz4 STATIC ${LZ4_SRCS_LIB})
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SET(LIBS_TARGETS liblz4)
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ELSE(WIN32)
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add_library(liblz4 SHARED ${LZ4_SRCS_LIB})
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add_library(liblz4_static STATIC ${LZ4_SRCS_LIB})
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SET_TARGET_PROPERTIES(liblz4_static PROPERTIES OUTPUT_NAME lz4)
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SET(LIBS_TARGETS liblz4 liblz4_static)
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ENDIF(WIN32)
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set_target_properties(liblz4 PROPERTIES
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OUTPUT_NAME lz4
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SOVERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}"
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)
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install(TARGETS ${LIBS_TARGETS}
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RUNTIME DESTINATION lib #on Windows: cmake considers dlls as runtime component
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib
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)
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install(FILES
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${LZ4_DIR}/lz4.h
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${LZ4_DIR}/lz4hc.h
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${LZ4_DIR}/lz4frame.h
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DESTINATION include
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)
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set(PREFIX ${CMAKE_INSTALL_PREFIX})
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set(LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
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set(INCLUDEDIR ${CMAKE_INSTALL_PREFIX}/include)
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string(SUBSTRING ${CPACK_PACKAGE_VERSION_PATCH} 1 -1 VERSION)
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configure_file(${LZ4_DIR}/liblz4.pc.in liblz4.pc @ONLY)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/liblz4.pc
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DESTINATION "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/pkgconfig"
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)
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if(BUILD_TOOLS AND LINK_TOOLS_WITH_LIB)
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target_link_libraries(lz4 liblz4)
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endif()
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if("${CMAKE_INSTALL_FULL_INCLUDEDIR}" STREQUAL "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}")
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set(INCLUDEDIR "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
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else()
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set(INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
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endif()
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#warnings
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if(MSVC)
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ADD_DEFINITIONS("-W4")
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endif()
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if(GNU_COMPATIBLE_COMPILER)
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ADD_DEFINITIONS("-Wall")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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ADD_DEFINITIONS("-Wextra")
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ADD_DEFINITIONS("-Wundef")
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ADD_DEFINITIONS("-Wshadow")
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ADD_DEFINITIONS("-Wcast-align")
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ADD_DEFINITIONS("-Wstrict-prototypes")
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endif(CMAKE_COMPILER_IS_GNUCXX)
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if(GNU_COMPATIBLE_COMPILER)
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# we need gnu99 instead of c99 on Linux and Solaris
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# to get C99 and POSIX definitions
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# an alternative with cmake >= 3.1/3.2 is the C_STANDARD property
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ADD_DEFINITIONS("-std=gnu99")
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endif()
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ADD_DEFINITIONS("-DLZ4_VERSION=\"${CPACK_PACKAGE_VERSION_PATCH}\"")
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INCLUDE_DIRECTORIES (${LZ4_DIR})
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configure_file(${LZ4_LIB_SOURCE_DIR}/liblz4.pc.in liblz4.pc @ONLY)
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