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build: Modernize CMake configuration #134

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127 changes: 71 additions & 56 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,12 +1,37 @@
cmake_minimum_required(VERSION 3.8)
project(nanobench LANGUAGES CXX)
cmake_minimum_required(VERSION 3.11.4)

project(
nanobench
VERSION 4.3.11
DESCRIPTION "Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20"
HOMEPAGE_URL "https://github.com/martinus/nanobench"
LANGUAGES CXX)

# determine whether this is a standalone project or included by other projects
set(NANOBENCH_STANDALONE_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)

# Modified from https://www.scivision.dev/cmake-project-is-top-level/
if(CMAKE_VERSION VERSION_LESS 3.21)
get_property(
not_top
DIRECTORY
PROPERTY PARENT_DIRECTORY
)

if (NOT not_top)
set(${PROJECT_NAME}_IS_TOP_LEVEL FALSE)
else()
set(${PROJECT_NAME}_IS_TOP_LEVEL TRUE)
endif()
endif()

if (${PROJECT_NAME}_IS_TOP_LEVEL)
set(NANOBENCH_STANDALONE_PROJECT ON)
endif()

add_library(${PROJECT_NAME} INTERFACE)
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})

if (NANOBENCH_STANDALONE_PROJECT)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # generate compile_commands.json

Expand All @@ -17,33 +42,31 @@ if (NANOBENCH_STANDALONE_PROJECT)
set(CMAKE_CXX_EXTENSIONS OFF)

# configuration see .clang-tidy
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
find_program(CLANG_TIDY_PROGRAM NAMES clang-tidy)
if(CLANG_TIDY_PROGRAM)
set(CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_PROGRAM}")
endif()
endif()

find_program(CCACHE_PROGRAM ccache)
find_program(CCACHE_PROGRAM NAMES ccache)
if(CCACHE_PROGRAM)
SET(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
endif(CCACHE_PROGRAM)
set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
endif()

add_executable(nb "")
add_executable(nb)

if (NB_sanitizer)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# see https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html#silencing-unsigned-integer-overflow
# Compile with -g and -fno-omit-frame-pointer to get proper debug information in your binary
target_compile_options(nb PRIVATE -g)
target_compile_options(nb PRIVATE -O2)
target_compile_options(nb PRIVATE -fno-omit-frame-pointer)
# Compile with -g and -fno-omit-frame-pointer to get proper debug information in your binary
set(COMMON_COMPILE_OPTIONS "-g" "-O2" "-fno-omit-frame-pointer")
set(COMMON_ASAN_COMPILE_OPTIONS "-fsanitize=address,undefined,float-divide-by-zero")
set(COMMON_ASAN_LINK_OPTIONS ${COMMON_ASAN_COMPILE_OPTIONS})

target_compile_options(nb PRIVATE -fsanitize=address)
target_link_libraries(nb PRIVATE -fsanitize=address)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# see https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html#silencing-unsigned-integer-overflow

target_compile_options(nb PRIVATE -fsanitize=undefined,float-divide-by-zero)
target_link_libraries(nb PRIVATE -fsanitize=undefined,float-divide-by-zero)
target_compile_options(nb PRIVATE ${COMMON_COMPILE_OPTIONS} ${COMMON_ASAN_COMPILE_OPTIONS})
target_link_options(nb PRIVATE ${COMMON_ASAN_LINK_OPTIONS})

target_compile_options(nb PRIVATE -fsanitize=integer)
target_link_libraries(nb PRIVATE -fsanitize=integer)
Expand All @@ -56,24 +79,18 @@ if (NANOBENCH_STANDALONE_PROJECT)
src/test/tutorial_fast_v1.cpp
src/test/tutorial_fast_v2.cpp
PROPERTIES COMPILE_FLAGS "-fno-sanitize=integer")

endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# need to use gold linker, otherwise travis gets '/usr/bin/ld: --push-state: unknown option' error
target_link_libraries(nb PRIVATE -fuse-ld=gold)

target_compile_options(nb PRIVATE -g)
target_compile_options(nb PRIVATE -O2)
target_compile_options(nb PRIVATE -fno-omit-frame-pointer)
target_compile_options(nb PRIVATE ${COMMON_COMPILE_OPTIONS} ${COMMON_ASAN_COMPILE_OPTIONS})
target_link_options(nb PRIVATE ${COMMON_ASAN_LINK_OPTIONS})

target_compile_options(nb PRIVATE -fsanitize=undefined,float-divide-by-zero,float-cast-overflow)
target_link_libraries(nb PRIVATE -fsanitize=undefined,float-divide-by-zero,float-cast-overflow)
target_compile_options(nb PRIVATE -fsanitize=float-cast-overflow)
target_link_libraries(nb PRIVATE -fsanitize=float-cast-overflow)

target_compile_options(nb PRIVATE -fsanitize=pointer-compare,pointer-subtract)
target_link_libraries(nb PRIVATE -fsanitize=pointer-compare,pointer-subtract)

target_compile_options(nb PRIVATE -fsanitize=address)
target_link_libraries(nb PRIVATE -fsanitize=address)
endif()
endif()

Expand All @@ -82,28 +99,22 @@ if (NANOBENCH_STANDALONE_PROJECT)

target_sources_local(nb PUBLIC .clang-tidy)


include(GNUInstallDirs)
set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME}/cmake)
set(INSTALL_LIBDIR ${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME})

# Install library target
add_library(nanobench STATIC ${PROJECT_SOURCE_DIR}/src/test/app/nanobench.cpp)
target_compile_features(nanobench PUBLIC cxx_std_11)
target_include_directories(nanobench
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/include>
$<INSTALL_INTERFACE:include>
)
install(
TARGETS nanobench
EXPORT install_targets
LIBRARY DESTINATION ${INSTALL_LIBDIR}
ARCHIVE DESTINATION ${INSTALL_LIBDIR}
set(INSTALL_HEADERS_DIR ${CMAKE_INSTALL_INCLUDEDIR})
set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})

target_include_directories(${PROJECT_NAME}
INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/include>
$<INSTALL_INTERFACE:${INSTALL_HEADERS_DIR}>
)

# Install headers
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/include/nanobench.h DESTINATION ${INSTALL_HEADERS_DIR})

# Install targets file
install(EXPORT install_targets
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets)
install(EXPORT ${PROJECT_NAME}Targets
FILE
${PROJECT_NAME}Targets.cmake
NAMESPACE
Expand All @@ -112,23 +123,27 @@ if (NANOBENCH_STANDALONE_PROJECT)
${INSTALL_CONFIGDIR}
)

# Install ${PROJECT_NAME}Config.cmake
# Install ${PROJECT_NAME}Config.cmake and ${PROJECT_NAME}ConfigVersion.cmake
include(CMakePackageConfigHelpers)

write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion
)

configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
INSTALL_DESTINATION ${INSTALL_CONFIGDIR}
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
)

install(FILES
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${INSTALL_CONFIGDIR}
)

# Install headers
install(FILES src/include/nanobench.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
else()
add_library(nanobench STATIC ${PROJECT_SOURCE_DIR}/src/test/app/nanobench.cpp)
add_library(nanobench::nanobench ALIAS nanobench)
set_property(TARGET nanobench PROPERTY CXX_STANDARD 17)
target_include_directories(nanobench PUBLIC ${PROJECT_SOURCE_DIR}/src/include)
set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 17)
target_include_directories(${PROJECT_NAME} INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/src/include)
endif()
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