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118 lines
4.3 KiB
118 lines
4.3 KiB
CMAKE_MINIMUM_REQUIRED(VERSION 3.5 FATAL_ERROR)
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# ---[ Project
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PROJECT(FXdiv C CXX)
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# ---[ Options.
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OPTION(FXDIV_USE_INLINE_ASSEMBLY "Allow use of inline assembly in FXdiv" OFF)
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IF("${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
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OPTION(FXDIV_BUILD_TESTS "Build FXdiv unit tests" ON)
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OPTION(FXDIV_BUILD_BENCHMARKS "Build FXdiv micro-benchmarks" ON)
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ELSE()
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SET(FXDIV_BUILD_TESTS OFF CACHE BOOL "Build FXdiv unit tests")
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SET(FXDIV_BUILD_BENCHMARKS OFF CACHE BOOL "Build FXdiv micro-benchmarks")
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ENDIF()
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# ---[ CMake options
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INCLUDE(GNUInstallDirs)
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IF(FXDIV_BUILD_TESTS)
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ENABLE_TESTING()
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ENDIF()
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# ---[ Download deps
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IF(FXDIV_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
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MESSAGE(STATUS "Downloading Google Test to ${CMAKE_BINARY_DIR}/googletest-source (define GOOGLETEST_SOURCE_DIR to avoid it)")
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CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CMAKE_BINARY_DIR}/googletest-download/CMakeLists.txt")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googletest-download")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googletest-download")
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SET(GOOGLETEST_SOURCE_DIR "${CMAKE_BINARY_DIR}/googletest-source" CACHE STRING "Google Test source directory")
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ENDIF()
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IF(FXDIV_BUILD_BENCHMARKS AND NOT DEFINED GOOGLEBENCHMARK_SOURCE_DIR)
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MESSAGE(STATUS "Downloading Google Benchmark to ${CMAKE_BINARY_DIR}/googlebenchmark-source (define GOOGLEBENCHMARK_SOURCE_DIR to avoid it)")
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CONFIGURE_FILE(cmake/DownloadGoogleBenchmark.cmake "${CMAKE_BINARY_DIR}/googlebenchmark-download/CMakeLists.txt")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googlebenchmark-download")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googlebenchmark-download")
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SET(GOOGLEBENCHMARK_SOURCE_DIR "${CMAKE_BINARY_DIR}/googlebenchmark-source" CACHE STRING "Google Benchmark source directory")
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ENDIF()
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# ---[ FXdiv library
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ADD_LIBRARY(fxdiv INTERFACE)
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TARGET_INCLUDE_DIRECTORIES(fxdiv INTERFACE include)
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IF(FXDIV_USE_INLINE_ASSEMBLY)
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TARGET_COMPILE_DEFINITIONS(fxdiv INTERFACE FXDIV_USE_INLINE_ASSEMBLY=1)
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ELSE()
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TARGET_COMPILE_DEFINITIONS(fxdiv INTERFACE FXDIV_USE_INLINE_ASSEMBLY=0)
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ENDIF()
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INSTALL(FILES include/fxdiv.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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IF(FXDIV_BUILD_TESTS)
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# ---[ Build google test
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IF(NOT TARGET gtest)
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SET(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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ADD_SUBDIRECTORY(
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"${GOOGLETEST_SOURCE_DIR}"
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"${CMAKE_BINARY_DIR}/googletest")
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ENDIF()
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ADD_EXECUTABLE(multiply-high-test test/multiply-high.cc)
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SET_TARGET_PROPERTIES(multiply-high-test PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(multiply-high-test fxdiv gtest gtest_main)
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ADD_TEST(multiply-high multiply-high-test)
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ADD_EXECUTABLE(quotient-test test/quotient.cc)
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SET_TARGET_PROPERTIES(quotient-test PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(quotient-test fxdiv gtest gtest_main)
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ADD_TEST(quotient quotient-test)
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ENDIF()
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IF(FXDIV_BUILD_BENCHMARKS)
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# ---[ Build google benchmark
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IF(NOT TARGET benchmark)
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SET(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
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ADD_SUBDIRECTORY(
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"${GOOGLEBENCHMARK_SOURCE_DIR}"
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"${CMAKE_BINARY_DIR}/googlebenchmark")
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ENDIF()
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ADD_EXECUTABLE(init-bench bench/init.cc)
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SET_TARGET_PROPERTIES(init-bench PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(init-bench fxdiv benchmark)
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ADD_EXECUTABLE(multiply-bench bench/multiply.cc)
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SET_TARGET_PROPERTIES(multiply-bench PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(multiply-bench fxdiv benchmark)
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ADD_EXECUTABLE(divide-bench bench/divide.cc)
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SET_TARGET_PROPERTIES(divide-bench PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(divide-bench fxdiv benchmark)
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ADD_EXECUTABLE(quotient-bench bench/quotient.cc)
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SET_TARGET_PROPERTIES(quotient-bench PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(quotient-bench fxdiv benchmark)
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ADD_EXECUTABLE(round-down-bench bench/round-down.cc)
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SET_TARGET_PROPERTIES(round-down-bench PROPERTIES
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CXX_STANDARD 11
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CXX_EXTENSIONS YES)
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TARGET_LINK_LIBRARIES(round-down-bench fxdiv benchmark)
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ENDIF()
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