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cmake_minimum_required (VERSION 3.13.0 FATAL_ERROR)
project (jaulib LANGUAGES C CXX)
FIND_PACKAGE (Threads REQUIRED)
# for all
set (CMAKE_CXX_STANDARD 17)
set (CMAKE_CXX_STANDARD_REQUIRED ON)
# for all
set (CC_FLAGS_WARNING "-Wall -Wextra -Werror")
set (GCC_FLAGS_WARNING_FORMAT "-Wformat=2 -Wformat-overflow=2 -Wformat-nonliteral -Wformat-security -Wformat-signedness -Wformat-y2k")
set (GCC_FLAGS_WARNING "-Wall -Wextra -Wshadow -Wtype-limits -Wsign-compare -Wcast-align=strict -Wnull-dereference -Winit-self ${GCC_FLAGS_WARNING_FORMAT} -Werror")
# causes issues in jau::get_int8(..): "-Wnull-dereference"
set (GCC_FLAGS_WARNING_NO_ERROR "-Wno-error=array-bounds -Werror -Wno-error=null-dereference")
# too pedantic, but nice to check once in a while
# set (DISABLED_CC_FLAGS_WARNING "-Wsign-conversion")
# debug only
set (GCC_FLAGS_STACK "-fstack-protector-strong -fstack-check")
set (GCC_FLAGS_SANITIZE_ALLLEAK "-fsanitize-address-use-after-scope -fsanitize=address -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=undefined -fsanitize=leak")
set (GCC_FLAGS_SANITIZE_UNDEFINED "-fsanitize=undefined")
set (GCC_FLAGS_SANITIZE_THREAD "-fsanitize-address-use-after-scope -fsanitize=undefined -fsanitize=thread")
# -fsanitize=address cannot be combined with -fsanitize=thread
# -fsanitize=pointer-compare -fsanitize=pointer-subtract must be combined with -fsanitize=address
# -fsanitize=thread TSAN's lacks ability to properly handle GCC's atomic macros (like helgrind etc), can't check SC-DRF!
if(CMAKE_COMPILER_IS_GNUCC)
# shorten __FILE__ string and the like ..
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_FLAGS_WARNING} ${GCC_FLAGS_WARNING_NO_ERROR} -fmacro-prefix-map=${CMAKE_SOURCE_DIR}/=/")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CC_FLAGS_WARNING}")
endif(CMAKE_COMPILER_IS_GNUCC)
if(DEBUG)
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -ggdb -DDEBUG -fno-omit-frame-pointer ${GCC_FLAGS_STACK} -fno-rtti")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -DDEBUG -fno-rtti")
endif(CMAKE_COMPILER_IS_GNUCC)
if(INSTRUMENTATION)
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_FLAGS_SANITIZE_ALLLEAK}")
endif(CMAKE_COMPILER_IS_GNUCC)
elseif(INSTRUMENTATION_UNDEFINED)
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_FLAGS_SANITIZE_UNDEFINED}")
endif(CMAKE_COMPILER_IS_GNUCC)
elseif(INSTRUMENTATION_THREAD)
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_FLAGS_SANITIZE_THREAD}")
endif(CMAKE_COMPILER_IS_GNUCC)
endif(INSTRUMENTATION)
elseif(GPROF)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -g -ggdb -pg -fno-rtti")
elseif(PERF_ANALYSIS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -g -ggdb -fno-rtti")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -fno-rtti")
endif(DEBUG)
# '-latomic' is required using gcc-8 on Raspberry ... to avoid: undefined reference to `__atomic_store_8'
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fno-rtti -latomic")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-rtti -latomic")
set (LIB_INSTALL_DIR "lib${LIB_SUFFIX}" CACHE PATH "Installation path for libraries")
# Set CMAKE_INSTALL_XXXDIR (XXX {BIN LIB ..} if not defined
# (was: CMAKE_LIB_INSTALL_DIR)
include(GNUInstallDirs)
# Appends the cmake/modules path to MAKE_MODULE_PATH variable.
set (CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
# Determine OS_AND_ARCH as library appendix, e.g. 'direct_bt-linux-amd64'
string(TOLOWER ${CMAKE_SYSTEM_NAME} OS_NAME)
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm")
set(OS_ARCH "armhf")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "armv7l")
set(OS_ARCH "armhf")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(OS_ARCH "arm64")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
set(OS_ARCH "amd64")
else()
set(OS_ARCH ${CMAKE_SYSTEM_PROCESSOR})
endif()
set(OS_AND_ARCH ${OS_NAME}-${OS_ARCH})
message (INFO " - OS_NAME ${OS_NAME}")
message (INFO " - OS_ARCH ${OS_ARCH} (${CMAKE_SYSTEM_PROCESSOR})")
message (INFO " - OS_AND_ARCH ${OS_AND_ARCH}")
# Make a version file containing the current version from git.
include (GetGitRevisionDescription)
git_describe (VERSION "--tags")
get_git_head_revision(GIT_REFSPEC VERSION_SHA1)
if ("x_${VERSION}" STREQUAL "x_GIT-NOTFOUND" OR "x_${VERSION}" STREQUAL "x_HEAD-HASH-NOTFOUND" OR "x_${VERSION}" STREQUAL "x_-128-NOTFOUND")
message (WARNING " - Install git to compile a production jaulib!")
set (VERSION "v1.0.0-dirty")
endif ()
message (INFO " - jaulib Version ${VERSION}")
#parse the version information into pieces.
string (REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${VERSION}")
#string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+-[0-9]+\\-(.*)" "\\1" VERSION_SHA1 "${VERSION}")
set (VERSION_SHORT "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
set (VERSION_API "${VERSION_MAJOR}.${VERSION_MINOR}")
string(TIMESTAMP BUILD_TSTAMP "%Y-%m-%d %H:%M:%S")
if ("${VERSION_COMMIT}" MATCHES "^v.*")
set (VERSION_COMMIT "")
endif()
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/version.cpp.in
${CMAKE_CURRENT_BINARY_DIR}/src/version.cpp)
# this is the library version, independant of git revision
set (jaulib_VERSION_MAJOR ${VERSION_MAJOR})
set (jaulib_VERSION_MINOR ${VERSION_MINOR})
set (jaulib_VERSION_PATCH ${VERSION_PATCH})
set (jaulib_VERSION_STRING "${jaulib_VERSION_MAJOR}.${jaulib_VERSION_MINOR}.${jaulib_VERSION_PATCH}")
set (CMAKE_SWIG_FLAGS "")
set (jaulib_DOCS_DIR documentation)
find_path (SYSTEM_USR_DIR "stdlib.h")
include_directories (${SYSTEM_USR_DIR})
add_subdirectory (src)
# add a target to generate API documentation with Doxygen
find_package (Doxygen)
if (DOXYGEN_FOUND)
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.cpp.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile.cpp.out @ONLY)
add_custom_command (OUTPUT ${jaulib_DOCS_DIR}/cpp
COMMAND ${CMAKE_COMMAND} -E make_directory ${jaulib_DOCS_DIR}
COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile.cpp.out
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/include/
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM
)
add_custom_target(doc_jau
DEPENDS ${jaulib_DOCS_DIR}/cpp)
endif (DOXYGEN_FOUND)
if (BUILD_TESTING)
enable_testing ()
add_subdirectory (test)
endif(BUILD_TESTING)
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