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# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 2.8.12)
project(powercap)
set(VERSION_MAJOR 0)
set(VERSION_MINOR 3)
set(VERSION_PATCH 1)
set(PROJECT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -std=c99 -D_GNU_SOURCE")
include(GNUInstallDirs)
# See powercap-common.h for enumeration
set(POWERCAP_LOG_LEVEL 4 CACHE STRING "Set the log level: 0=DEBUG, 1=INFO, 2=WARN, 3=ERROR, 4=OFF (default)")
add_subdirectory(utils)
# Libraries
add_library(powercap src/powercap.c
src/powercap-sysfs.c
src/powercap-rapl.c
src/powercap-rapl-sysfs.c
src/powercap-common.c)
target_include_directories(powercap PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/inc>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}>)
target_compile_definitions(powercap PRIVATE POWERCAP_LOG_LEVEL=${POWERCAP_LOG_LEVEL})
if (BUILD_SHARED_LIBS)
set_target_properties(powercap PROPERTIES VERSION ${PROJECT_VERSION}
SOVERSION ${VERSION_MAJOR})
endif()
# Tests
add_executable(powercap-common-test test/powercap-common-test.c src/powercap-common.c)
target_include_directories(powercap-common-test PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/inc)
add_executable(powercap-test test/powercap-test.c)
target_link_libraries(powercap-test powercap)
add_executable(powercap-rapl-test test/powercap-rapl-test.c)
target_link_libraries(powercap-rapl-test powercap)
add_executable(powercap-sysfs-test test/powercap-sysfs-test.c)
target_link_libraries(powercap-sysfs-test powercap)
enable_testing()
macro(add_unit_test target)
add_test(${target} ${EXECUTABLE_OUTPUT_PATH}/${target})
endmacro(add_unit_test)
add_unit_test(powercap-common-test)
add_unit_test(powercap-test)
# Requires a real system with root privileges
# add_unit_test(powercap-rapl-test)
add_unit_test(powercap-sysfs-test)
# pkg-config
set(PKG_CONFIG_EXEC_PREFIX "\${prefix}")
set(PKG_CONFIG_LIBDIR "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
set(PKG_CONFIG_INCLUDEDIR "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}")
set(PKG_CONFIG_CFLAGS "-I\${includedir}")
set(PKG_CONFIG_NAME "${PROJECT_NAME}")
set(PKG_CONFIG_DESCRIPTION "C bindings to the Linux Power Capping Framework in sysfs")
set(PKG_CONFIG_LIBS "-L\${libdir} -lpowercap")
set(PKG_CONFIG_LIBS_PRIVATE "")
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/pkgconfig.in
${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/powercap.pc
)
# CMake package helper
include(CMakePackageConfigHelpers)
set(POWERCAP_CMAKE_CONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/powercap)
set(CONFIG_TARGETS_FILE PowercapTargets.cmake)
configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/PowercapConfig.cmake
INSTALL_DESTINATION ${POWERCAP_CMAKE_CONFIG_DIR}
)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/PowercapConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion
)
# Install
set(POWERCAP_CMAKE_CONFIG_INSTALL OFF CACHE BOOL "Install cmake package helpers (experimental)")
install(TARGETS powercap EXPORT PowercapTargets DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(FILES inc/powercap.h inc/powercap-sysfs.h inc/powercap-rapl.h inc/powercap-rapl-sysfs.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
install(DIRECTORY ${CMAKE_BINARY_DIR}/pkgconfig/ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
if(POWERCAP_CMAKE_CONFIG_INSTALL)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/PowercapConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/PowercapConfigVersion.cmake
DESTINATION ${POWERCAP_CMAKE_CONFIG_DIR})
install(EXPORT PowercapTargets FILE PowercapTargets.cmake DESTINATION ${POWERCAP_CMAKE_CONFIG_DIR})
endif()
# Uninstall
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
@ONLY
)
add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
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