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cmake_minimum_required (VERSION 2.8.11)
project (mraa C)
FIND_PACKAGE (Threads REQUIRED)
if (CMAKE_VERSION VERSION_LESS "3.1")
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set (CMAKE_C_FLAGS "-std=gnu99 ${CMAKE_C_FLAGS}")
endif ()
else ()
set (CMAKE_C_STANDARD 99)
endif ()
option (BUILDCPP "Enable C++ (needed by FTDI4222 and tests)" ON)
###############################################################################
# Detect supported warning flags
# Modified from work By Dan Liew (fpbench - MIT)
# https://github.com/delcypher/fp-bench/blob/master/CMakeLists.txt
###############################################################################
# Warnings for both the C and C++ compiler
set (MRAA_BOTH_WARNING_FLAGS
-Wall
-Werror=main
-Wformat
-Wmain
-Wuninitialized
-Winit-self
)
# Warning flags for the C compiler only
set (MRAA_C_WARNING_FLAGS
-Werror=implicit
-Werror=missing-parameter-type
)
include (CheckCCompilerFlag)
if (BUILDCPP)
# Warning flags for the C++ compiler only
set (MRAA_CXX_WARNING_FLAGS
-Wnon-virtual-dtor
-Woverloaded-virtual
-Wreorder
)
enable_language (CXX)
include (CheckCXXCompilerFlag)
endif ()
function (MRAA_SANITIZE_FLAG_NAME OUTPUT_VAR FLAG)
string (REPLACE "-" "_" SANITIZED_FLAG_NAME "${FLAG}")
string (REPLACE "/" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string (REPLACE "=" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string (REPLACE " " "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
set (${OUTPUT_VAR} "${SANITIZED_FLAG_NAME}" PARENT_SCOPE)
endfunction ()
# Globally set C compiler warning flags that are supported and emit
# a warning about unsupported flags
foreach (flag ${MRAA_BOTH_WARNING_FLAGS} ${MRAA_C_WARNING_FLAGS})
MRAA_SANITIZE_FLAG_NAME(SANITIZED_FLAG_NAME "${flag}")
CHECK_C_COMPILER_FLAG("${flag}" HAS_C_${SANITIZED_FLAG_NAME})
if (HAS_C_${SANITIZED_FLAG_NAME})
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
else ()
message (WARNING "C compiler does not support flag \"${flag}\"")
endif ()
endforeach ()
if (BUILDCPP)
# Globally set C++ compiler warning flags that are supported and emit
# a warning about unsupported flags
foreach (flag ${MRAA_BOTH_WARNING_FLAGS} ${MRAA_CXX_WARNING_FLAGS})
MRAA_SANITIZE_FLAG_NAME (SANITIZED_FLAG_NAME "${flag}")
CHECK_CXX_COMPILER_FLAG ("${flag}" HAS_CXX_${SANITIZED_FLAG_NAME})
if (HAS_CXX_${SANITIZED_FLAG_NAME})
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
else ()
message (WARNING "C++ compiler does not support flag \"${flag}\"")
endif ()
endforeach ()
# This function adds the c++11 flag to a c++ target (if supported)
function(use_cxx_11 targetname)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
if (COMPILER_SUPPORTS_CXX11)
set_target_properties(${targetname} PROPERTIES COMPILE_FLAGS "-std=c++11")
else()
message(FATAL_ERROR "Target '${targetname}' requires c++11 which is not supported by this compiler")
endif()
endfunction()
endif()
# Set CMAKE_INSTALL_LIBDIR if not defined
include(GNUInstallDirs)
# Older cmake might not pick CMAKE_INSTALL_LIBDIR right
if (CMAKE_INSTALL_LIBDIR)
set (LIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}" CACHE PATH "Installation path for libraries")
else ()
set (LIB_INSTALL_DIR "lib" CACHE PATH "Installation path for libraries")
endif ()
# By default, build shared object libraries on linux
if (UNIX AND NOT APPLE)
if (NOT DEFINED BUILD_SHARED_LIBS)
set(BUILD_SHARED_LIBS ON)
endif()
endif()
# Appends the cmake/modules path to MAKE_MODULE_PATH variable.
set (CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
# Make a version file containing the current version from git.
include (GetGitRevisionDescription)
git_describe (VERSION "--tags")
if ("x_${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 libmraa!")
set (VERSION "v2.2.0")
endif ()
message (STATUS "INFO - libmraa Version ${VERSION}")
message (STATUS "INFO - cmake Version ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}")
#parse the version information into pieces.
string (REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${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}.${VERSION_PATCH}")
if ("${VERSION_COMMIT}" MATCHES "^v.*")
set (VERSION_COMMIT "")
endif()
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/version.c.in
${CMAKE_CURRENT_BINARY_DIR}/src/version.c)
# this is the library version, independant of git revision
set (mraa_VERSION_MAJOR ${VERSION_MAJOR})
set (mraa_VERSION_MINOR ${VERSION_MINOR})
set (mraa_VERSION_PATCH ${VERSION_PATCH})
set (mraa_VERSION_STRING ${mraa_VERSION_MAJOR}.${mraa_VERSION_MINOR}.${mraa_VERSION_PATCH})
set (CMAKE_SWIG_FLAGS "")
find_path (SYSTEM_USR_DIR "stdlib.h")
include_directories (${SYSTEM_USR_DIR})
option (BUILDDOC "Build all doc." OFF)
option (BUILDSWIG "Build swig modules." ON)
option (BUILDSWIGPYTHON "Build swig python modules." ON)
option (BUILDSWIGNODE "Build swig node modules." OFF)
option (BUILDSWIGJAVA "Build Java API." OFF)
option (USBPLAT "Detection USB platform." OFF)
option (FIRMATA "Add Firmata support to mraa." OFF)
option (ONEWIRE "Add Onewire support to mraa." ON)
option (JSONPLAT "Add Platform loading via a json file." ON)
option (IMRAA "Add Imraa support to mraa." OFF)
option (FTDI4222 "Build with FTDI FT4222 subplatform support." OFF)
option (ENABLEEXAMPLES "Enable building of examples" ON)
option (INSTALLTOOLS "Install all tools" ON)
option (BUILDTESTS "Override the addition of tests" ON)
option (USEPYTHON3TESTS "Force tests to run with python3" OFF)
set (BUILDARCH "" CACHE STRING "Override architecture to build for")
set (MRAAPLATFORMFORCE "ALL" CACHE STRING "Override platform to build for")
if (NOT BUILDSWIG)
set (BUILDSWIGPYTHON OFF)
set (BUILDSWIGNODE OFF)
set (BUILDSWIGJAVA OFF)
endif()
if (NOT BUILDARCH)
set (DETECTED_ARCH ${CMAKE_SYSTEM_PROCESSOR})
message (STATUS "INFO - Target arch is ${DETECTED_ARCH}")
else ()
set (DETECTED_ARCH ${BUILDARCH})
message (STATUS "INFO - Override arch is ${DETECTED_ARCH}")
endif()
if (DETECTED_ARCH MATCHES "i?86" OR DETECTED_ARCH STREQUAL "x86_64")
set (X86PLAT ON)
elseif (DETECTED_ARCH MATCHES "arm.*" OR DETECTED_ARCH MATCHES "aarch64")
set (ARMPLAT ON)
elseif (DETECTED_ARCH MATCHES "mips")
set (MIPSPLAT ON)
elseif (DETECTED_ARCH STREQUAL "MOCK")
set (MOCKPLAT ON)
elseif (DETECTED_ARCH STREQUAL "riscv64")
set (RISCVPLAT ON)
elseif (DETECTED_ARCH STREQUAL "PERIPHERALMAN")
set (PERIPHERALMAN ON)
else ()
message (FATAL_ERROR "Only x86, arm, mips, riscv, PERIPHERALMAN and mock platforms currently supported")
endif()
if (BUILDSWIGPYTHON OR BUILDTESTS)
include (cmake/modules/OpenCVDetectPython.cmake)
endif ()
if (BUILDDOC)
# add a target to generate API documentation with Doxygen
find_package (Doxygen 1.8 REQUIRED)
if (DOXYGEN_FOUND AND DOXYGEN_VERSION VERSION_GREATER "1.8")
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
if (BUILDSWIGJAVA)
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.java.in ${CMAKE_CURRENT_BINARY_DIR}/src/java/Doxyfile @ONLY)
endif ()
add_custom_target (doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM
)
else ()
message (SEND_ERROR "ERROR - Failed to find a compatible version of Doxygen. API doc will not be generated")
endif (DOXYGEN_FOUND AND DOXYGEN_VERSION VERSION_GREATER "1.8")
endif ()
add_subdirectory (src)
if (ENABLEEXAMPLES)
add_subdirectory (examples)
endif ()
if (IMRAA)
add_subdirectory (imraa)
endif ()
if (BUILDTESTS AND PYTHON_DEFAULT_EXECUTABLE)
enable_testing ()
add_subdirectory (tests)
endif ()
if (INSTALLTOOLS)
add_subdirectory (tools)
endif()
|
