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101 lines
4.0 KiB
CMake
101 lines
4.0 KiB
CMake
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to
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# the public domain worldwide. This software is distributed without
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# any warranty.
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#
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# For details, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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set(XXHASH_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
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file(STRINGS "${XXHASH_DIR}/xxhash.h" XXHASH_VERSION_MAJOR REGEX "^#define XXH_VERSION_MAJOR +([0-9]+) *$")
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string(REGEX REPLACE "^#define XXH_VERSION_MAJOR +([0-9]+) *$" "\\1" XXHASH_VERSION_MAJOR "${XXHASH_VERSION_MAJOR}")
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file(STRINGS "${XXHASH_DIR}/xxhash.h" XXHASH_VERSION_MINOR REGEX "^#define XXH_VERSION_MINOR +([0-9]+) *$")
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string(REGEX REPLACE "^#define XXH_VERSION_MINOR +([0-9]+) *$" "\\1" XXHASH_VERSION_MINOR "${XXHASH_VERSION_MINOR}")
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file(STRINGS "${XXHASH_DIR}/xxhash.h" XXHASH_VERSION_RELEASE REGEX "^#define XXH_VERSION_RELEASE +([0-9]+) *$")
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string(REGEX REPLACE "^#define XXH_VERSION_RELEASE +([0-9]+) *$" "\\1" XXHASH_VERSION_RELEASE "${XXHASH_VERSION_RELEASE}")
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set(XXHASH_VERSION_STRING "${XXHASH_VERSION_MAJOR}.${XXHASH_VERSION_MINOR}.${XXHASH_VERSION_RELEASE}")
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set(XXHASH_LIB_VERSION ${XXHASH_VERSION_STRING})
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set(XXHASH_LIB_SOVERSION "${XXHASH_VERSION_MAJOR}")
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mark_as_advanced(XXHASH_VERSION_MAJOR XXHASH_VERSION_MINOR XXHASH_VERSION_RELEASE XXHASH_VERSION_STRING XXHASH_LIB_VERSION XXHASH_LIB_SOVERSION)
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option(BUILD_XXHSUM "Build the xxhsum binary" ON)
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option(BUILD_SHARED_LIBS "Build shared library" ON)
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if("${CMAKE_VERSION}" VERSION_LESS "3.0")
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project(XXHASH C)
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else()
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cmake_policy (SET CMP0048 NEW)
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project(XXHASH
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VERSION ${XXHASH_VERSION_STRING}
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LANGUAGES C)
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endif()
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cmake_minimum_required (VERSION 2.8.12)
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# If XXHASH is being bundled in another project, we don't want to
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# install anything. However, we want to let people override this, so
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# we'll use the XXHASH_BUNDLED_MODE variable to let them do that; just
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# set it to OFF in your project before you add_subdirectory(xxhash/contrib/cmake_unofficial).
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL "${CMAKE_SOURCE_DIR}")
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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("${XXHASH_PARENT_DIRECTORY}" STREQUAL "")
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set(XXHASH_BUNDLED_MODE OFF)
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else()
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set(XXHASH_BUNDLED_MODE ON)
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endif()
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endif()
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mark_as_advanced(XXHASH_BUNDLED_MODE)
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# Allow people to choose whether to build shared or static libraries
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# via the BUILD_SHARED_LIBS option unless we are in bundled mode, in
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# which case we always use static libraries.
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include(CMakeDependentOption)
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CMAKE_DEPENDENT_OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON "NOT XXHASH_BUNDLED_MODE" OFF)
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include_directories("${XXHASH_DIR}")
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# libxxhash
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add_library(xxhash "${XXHASH_DIR}/xxhash.c")
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set_target_properties(xxhash PROPERTIES
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SOVERSION "${XXHASH_VERSION_STRING}"
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VERSION "${XXHASH_VERSION_STRING}")
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# xxhsum
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add_executable(xxhsum "${XXHASH_DIR}/xxhsum.c")
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target_link_libraries(xxhsum xxhash)
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# Extra warning flags
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include (CheckCCompilerFlag)
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foreach (flag
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-Wall -Wextra -Wcast-qual -Wcast-align -Wshadow
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-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement
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-Wstrict-prototypes -Wundef)
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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} ${CMAKE_C_FLAGS}")
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endif()
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unset(test_name)
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unset(flag_to_test)
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endforeach (flag)
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if(NOT XXHASH_BUNDLED_MODE)
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include(GNUInstallDirs)
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install(TARGETS xxhsum
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
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install(TARGETS xxhash
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}")
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install(FILES "${XXHASH_DIR}/xxhash.h"
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
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install(FILES "${XXHASH_DIR}/xxhsum.1"
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DESTINATION "${CMAKE_INSTALL_MANDIR}/man1")
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endif(NOT XXHASH_BUNDLED_MODE)
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