python/CMakeLists.txt: rework Python development files detection
[libftdi] / CMakeLists.txt
index 6284c8d..105f83a 100644 (file)
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
 
 message(STATUS "CMake version: ${CMAKE_VERSION}")
 
@@ -11,28 +11,26 @@ set(VERSION_STRING ${MAJOR_VERSION}.${MINOR_VERSION})
 set(VERSION ${VERSION_STRING})
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
-# Support new if() IN_LIST operator
-if(POLICY CMP0057)
-  cmake_policy(SET CMP0057 NEW)
-endif()
-
-# Included scripts do automatic cmake_policy() PUSH and POP
-if(POLICY CMP0011)
-  cmake_policy(SET CMP0011 NEW)
-endif()
-
 # Target link properties INTERFACE_LINK_OPTIONS, INTERFACE_LINK_DIRECTORIES
 # and INTERFACE_LINK_DEPENDS are now transitive over private dependencies
 # of static libraries
-if(POLICY CMP0099)
-  cmake_policy(SET CMP0099 NEW)
-endif()
+if (POLICY CMP0099)
+    cmake_policy(SET CMP0099 NEW)
+endif ()
 
 # CMake
-if("${CMAKE_BUILD_TYPE}" STREQUAL "")
-  set(CMAKE_BUILD_TYPE     RelWithDebInfo)
-endif("${CMAKE_BUILD_TYPE}" STREQUAL "")
-set(CMAKE_COLOR_MAKEFILE ON)
+if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
+    set(CMAKE_BUILD_TYPE RelWithDebInfo)
+endif ("${CMAKE_BUILD_TYPE}" STREQUAL "")
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+if (NOT PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
+    # Auto-create a .gitignore in the out-of-source build directory.
+    file(GENERATE OUTPUT .gitignore CONTENT "*")
+endif ()
+
+include(GNUInstallDirs)
 
 add_definitions(-Wall)
 
@@ -40,18 +38,18 @@ include(CMakeOptions.txt)
 
 # Debug build
 message("-- Build type: ${CMAKE_BUILD_TYPE}")
-if(${CMAKE_BUILD_TYPE} STREQUAL Debug)
-  add_definitions(-DDEBUG)
-endif(${CMAKE_BUILD_TYPE} STREQUAL Debug)
+if (${CMAKE_BUILD_TYPE} STREQUAL Debug)
+    add_definitions(-DDEBUG)
+endif (${CMAKE_BUILD_TYPE} STREQUAL Debug)
 
 # Find libusb
-find_package ( LibUSB REQUIRED )
-include_directories ( ${LIBUSB_INCLUDE_DIR} )
+find_package(LibUSB REQUIRED)
+include_directories(${LIBUSB_INCLUDE_DIR})
 
 # Find Boost
-if (FTDIPP OR BUILD_TESTS)
-  find_package( Boost REQUIRED )
-endif()
+if (BUILD_TESTS)
+    find_package(Boost REQUIRED)
+endif ()
 
 # Set components
 set(CPACK_COMPONENTS_ALL sharedlibs staticlibs headers)
@@ -60,191 +58,211 @@ set(CPACK_COMPONENT_STATICLIBS_DISPLAY_NAME "Static libraries")
 set(CPACK_COMPONENT_HEADERS_DISPLAY_NAME "C++ Headers")
 
 set(CPACK_COMPONENT_SHAREDLIBS_DESCRIPTION
-"Shared library for general use.")
+        "Shared library for general use.")
 set(CPACK_COMPONENT_STATICLIBS_DESCRIPTION
-"Static library, good if you want to embed libftdi1 in your application.")
+        "Static library, good if you want to embed libftdi1 in your application.")
 set(CPACK_COMPONENT_HEADERS_DESCRIPTION
-"C/C++ header files.")
+        "C/C++ header files.")
 
 set(CPACK_COMPONENT_SHAREDLIBS_GROUP "Development")
 set(CPACK_COMPONENT_STATICLIBS_GROUP "Development")
-set(CPACK_COMPONENT_HEADERS_GROUP    "Development")
+set(CPACK_COMPONENT_HEADERS_GROUP "Development")
 
 # guess LIB_SUFFIX, don't take debian multiarch into account
-if ( NOT DEFINED LIB_SUFFIX )
-  if( CMAKE_SYSTEM_NAME MATCHES "Linux"
-      AND NOT CMAKE_CROSSCOMPILING
-      AND NOT EXISTS "/etc/debian_version"
-      AND NOT EXISTS "/etc/arch-release" )
-    if ( "${CMAKE_SIZEOF_VOID_P}" EQUAL "8" )
-      set ( LIB_SUFFIX 64 )
+if (NOT DEFINED LIB_SUFFIX)
+    if (CMAKE_SYSTEM_NAME MATCHES "Linux"
+            AND NOT CMAKE_CROSSCOMPILING
+            AND NOT EXISTS "/etc/debian_version"
+            AND NOT EXISTS "/etc/arch-release")
+        if ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+            set(LIB_SUFFIX 64)
+        endif ()
     endif ()
-  endif ()
 endif ()
 
-if(NOT APPLE)
-  if(CMAKE_SIZEOF_VOID_P EQUAL 4)
+if (NOT APPLE)
+    if (CMAKE_SIZEOF_VOID_P EQUAL 4)
+        SET(PACK_ARCH "")
+    elseif (CMAKE_SIZEOF_VOID_P EQUAL 8)
+        SET(PACK_ARCH .x86_64)
+    endif (CMAKE_SIZEOF_VOID_P EQUAL 4)
+else (NOT APPLE)
     SET(PACK_ARCH "")
-  else(CMAKE_SIZEOF_VOID_P EQUAL 8)
-    SET(PACK_ARCH .x86_64)
-  endif(CMAKE_SIZEOF_VOID_P EQUAL 4)
-else(NOT APPLE)
-  SET(PACK_ARCH "")
-endif(NOT APPLE)
+endif (NOT APPLE)
 
 # Package information
-set(CPACK_PACKAGE_VERSION              ${VERSION_STRING})
-set(CPACK_PACKAGE_CONTACT              "Intra2net AG <libftdi@developer.intra2net.com>")
-set(CPACK_PACKAGE_DESCRIPTION          "libftdi1 library.")
-set(CPACK_PACKAGE_DESCRIPTION_SUMMARY  ${CPACK_PACKAGE_DESCRIPTION})
+set(CPACK_PACKAGE_VERSION ${VERSION_STRING})
+set(CPACK_PACKAGE_CONTACT "Intra2net AG <libftdi@developer.intra2net.com>")
+set(CPACK_PACKAGE_DESCRIPTION "libftdi1 library.")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY ${CPACK_PACKAGE_DESCRIPTION})
 
 # Package settings
-if ( UNIX )
-  set(CPACK_GENERATOR                    "DEB;RPM")
-  set(CPACK_CMAKE_GENERATOR              "Unix Makefiles")
-  set(CPACK_PACKAGE_NAME                 ${PROJECT_NAME})
-  set(CPACK_PACKAGE_FILE_NAME            ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}${PACK_ARCH})
+if (UNIX)
+    set(CPACK_GENERATOR "DEB;RPM")
+    set(CPACK_CMAKE_GENERATOR "Unix Makefiles")
+    set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
+    set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}${PACK_ARCH})
 endif ()
 
-if ( WIN32 )
-  set ( CPACK_GENERATOR                    "NSIS" )
-  set ( CPACK_CMAKE_GENERATOR              "MinGW Makefiles" )
-  set ( CPACK_PACKAGE_NAME                 "${PROJECT_NAME}" )
-  set ( CPACK_PACKAGE_VENDOR               "" )
-  set ( CPACK_PACKAGE_INSTALL_DIRECTORY    "libftdi1" )
-  set ( CPACK_PACKAGE_FILE_NAME            "${PROJECT_NAME}-${VERSION_STRING}-win32")
-  set ( CPACK_NSIS_DISPLAY_NAME            "libftdi1" )
-  set ( CPACK_NSIS_MODIFY_PATH             ON )
+if (WIN32)
+    set(CPACK_GENERATOR "NSIS")
+    set(CPACK_CMAKE_GENERATOR "MinGW Makefiles")
+    set(CPACK_PACKAGE_NAME "${PROJECT_NAME}")
+    set(CPACK_PACKAGE_VENDOR "")
+    set(CPACK_PACKAGE_INSTALL_DIRECTORY "libftdi1")
+    set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-win32")
+    set(CPACK_NSIS_DISPLAY_NAME "libftdi1")
+    set(CPACK_NSIS_MODIFY_PATH ON)
 endif ()
 
-set(CPACK_RESOURCE_FILE_LICENSE        ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE)
+set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE)
 
-set(CPACK_SOURCE_GENERATOR             TGZ)
-set(CPACK_SOURCE_IGNORE_FILES          "\\\\.git;~$;build/")
-set(CPACK_SOURCE_PACKAGE_FILE_NAME     ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION})
+set(CPACK_SOURCE_GENERATOR TGZ)
+set(CPACK_SOURCE_IGNORE_FILES "\\\\.git;~$;build/")
+set(CPACK_SOURCE_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION})
 
 # Subdirectories
-if ( UNIX )
-  set ( CPACK_SET_DESTDIR ON )
+if (UNIX)
+    set(CPACK_SET_DESTDIR ON)
 endif ()
 
 # "make dist" target
 set(ARCHIVE_NAME ${CMAKE_PROJECT_NAME}-${VERSION_STRING})
 add_custom_target(dist
-    COMMAND git archive --prefix=${ARCHIVE_NAME}/ HEAD
-      | bzip2 > ${PROJECT_BINARY_DIR}/${ARCHIVE_NAME}.tar.bz2
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+        COMMAND git archive --prefix=${ARCHIVE_NAME}/ HEAD
+        | bzip2 > ${PROJECT_BINARY_DIR}/${ARCHIVE_NAME}.tar.bz2
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 
 add_subdirectory(src)
 add_subdirectory(packages)
 
-if ( DOCUMENTATION )
-  add_subdirectory(doc)
-endif ( DOCUMENTATION )
+if (DOCUMENTATION)
+    add_subdirectory(doc)
+endif (DOCUMENTATION)
 
-if ( FTDIPP )
-  project(libftdi1 C CXX)
-  add_subdirectory(ftdipp)
-endif ( FTDIPP )
+if (FTDIPP)
+    project(libftdi1 C CXX)
+    add_subdirectory(ftdipp)
+endif (FTDIPP)
 
-if ( PYTHON_BINDINGS )
-  add_subdirectory(python)
-endif ( PYTHON_BINDINGS )
+if (PYTHON_BINDINGS)
+    add_subdirectory(python)
+endif (PYTHON_BINDINGS)
 
-if ( FTDI_EEPROM )
-  add_subdirectory(ftdi_eeprom)
-endif ( FTDI_EEPROM )
+if (FTDI_EEPROM)
+    add_subdirectory(ftdi_eeprom)
+endif (FTDI_EEPROM)
 
-if ( EXAMPLES )
-  add_subdirectory(examples)
-endif ( EXAMPLES )
+if (EXAMPLES)
+    add_subdirectory(examples)
+endif (EXAMPLES)
 
-if ( BUILD_TESTS )
-  project(libftdi1 C CXX)
-  add_subdirectory(test)
-endif ( BUILD_TESTS )
+if (BUILD_TESTS)
+    project(libftdi1 C CXX)
+    add_subdirectory(test)
+endif (BUILD_TESTS)
 
 # PkgConfig
-set(prefix      ${CMAKE_INSTALL_PREFIX})
+set(prefix ${CMAKE_INSTALL_PREFIX})
 set(exec_prefix ${CMAKE_INSTALL_PREFIX}/bin)
-set(includedir  ${CMAKE_INSTALL_PREFIX}/include/${PROJECT_NAME})
-
-if(${UNIX})
-  set(libdir      ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX})
-endif(${UNIX})
-if(${WIN32})
-  set(libdir      ${CMAKE_INSTALL_PREFIX}/bin)
-endif(${WIN32})
+set(includedir ${CMAKE_INSTALL_PREFIX}/include/${PROJECT_NAME})
+
+if (${UNIX})
+    set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+endif (${UNIX})
+if (${WIN32})
+    set(libdir ${CMAKE_INSTALL_PREFIX}/bin)
+    if (STATICLIBS)
+        list(APPEND libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+    endif ()
+endif (${WIN32})
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libftdi1.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libftdi1.pc @ONLY)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libftdipp1.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libftdipp1.pc @ONLY)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libftdi1.pc ${CMAKE_CURRENT_BINARY_DIR}/libftdipp1.pc
-        DESTINATION lib${LIB_SUFFIX}/pkgconfig)
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 
 if (UNIX OR MINGW)
-  configure_file ( libftdi1-config.in ${CMAKE_CURRENT_BINARY_DIR}/libftdi1-config @ONLY )
-  install ( PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libftdi1-config
-            DESTINATION bin )
+    configure_file(libftdi1-config.in ${CMAKE_CURRENT_BINARY_DIR}/libftdi1-config @ONLY)
+    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libftdi1-config
+            DESTINATION bin)
 endif ()
 
 # config script install path
-if ( NOT DEFINED LIBFTDI_CMAKE_CONFIG_DIR )
-  set ( LIBFTDI_CMAKE_CONFIG_DIR lib${LIB_SUFFIX}/cmake/libftdi1 )
+if (NOT DEFINED LIBFTDI_CMAKE_CONFIG_DIR)
+    set(LIBFTDI_CMAKE_CONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/libftdi1)
 endif ()
 
-set ( LIBFTDI_INCLUDE_DIR ${includedir} )
-set ( LIBFTDI_INCLUDE_DIRS ${LIBFTDI_INCLUDE_DIR} )
-set ( LIBFTDI_LIBRARY ftdi1 )
-set ( LIBFTDI_LIBRARIES ${LIBFTDI_LIBRARY} )
-list ( APPEND LIBFTDI_LIBRARIES ${LIBUSB_LIBRARIES} )
-set ( LIBFTDI_STATIC_LIBRARY ftdi1.a )
-set ( LIBFTDI_STATIC_LIBRARIES ${LIBFTDI_STATIC_LIBRARY} )
-list ( APPEND LIBFTDI_STATIC_LIBRARIES ${LIBUSB_LIBRARIES} )
-if ( FTDIPP )
-  set ( LIBFTDIPP_LIBRARY ftdipp1 )
-  set ( LIBFTDIPP_LIBRARIES ${LIBFTDIPP_LIBRARY} )
-  list ( APPEND LIBFTDIPP_LIBRARIES ${LIBUSB_LIBRARIES} )
+set(LIBFTDI_INCLUDE_DIR ${includedir})
+set(LIBFTDI_INCLUDE_DIRS ${LIBFTDI_INCLUDE_DIR})
+
+# Set up library variables based on what's being built
+if (SHAREDLIBS)
+    set(LIBFTDI_LIBRARY ftdi1)
+    set(LIBFTDI_LIBRARIES ${LIBFTDI_LIBRARY})
+    list(APPEND LIBFTDI_LIBRARIES ${LIBUSB_LIBRARIES})
 endif ()
-set ( LIBFTDI_LIBRARY_DIRS ${libdir} )
-set ( LIBFTDI_ROOT_DIR ${prefix} )
-set ( LIBFTDI_VERSION_STRING ${VERSION_STRING} )
-set ( LIBFTDI_VERSION_MAJOR ${MAJOR_VERSION} )
-set ( LIBFTDI_VERSION_MINOR ${MINOR_VERSION} )
 
-set ( LIBFTDI_USE_FILE ${CMAKE_INSTALL_PREFIX}/${LIBFTDI_CMAKE_CONFIG_DIR}/UseLibFTDI1.cmake )
+if (STATICLIBS)
+    set(LIBFTDI_STATIC_LIBRARY ftdi1.a)
+    set(LIBFTDI_STATIC_LIBRARIES ${LIBFTDI_STATIC_LIBRARY})
+    list(APPEND LIBFTDI_STATIC_LIBRARIES ${LIBUSB_LIBRARIES})
+endif ()
+
+if (FTDIPP)
+    if (SHAREDLIBS)
+        set(LIBFTDIPP_LIBRARY ftdipp1)
+        set(LIBFTDIPP_LIBRARIES ${LIBFTDIPP_LIBRARY})
+        list(APPEND LIBFTDIPP_LIBRARIES ${LIBUSB_LIBRARIES})
+    endif ()
+    if (STATICLIBS)
+        set(LIBFTDIPP_STATIC_LIBRARY ftdipp1.a)
+        set(LIBFTDIPP_STATIC_LIBRARIES ${LIBFTDIPP_STATIC_LIBRARY})
+        list(APPEND LIBFTDIPP_STATIC_LIBRARIES ${LIBUSB_LIBRARIES})
+    endif ()
+endif ()
+
+set(LIBFTDI_LIBRARY_DIRS ${libdir})
+set(LIBFTDI_ROOT_DIR ${prefix})
+set(LIBFTDI_VERSION_STRING ${VERSION_STRING})
+set(LIBFTDI_VERSION_MAJOR ${MAJOR_VERSION})
+set(LIBFTDI_VERSION_MINOR ${MINOR_VERSION})
+
+set(LIBFTDI_USE_FILE ${CMAKE_INSTALL_PREFIX}/${LIBFTDI_CMAKE_CONFIG_DIR}/UseLibFTDI1.cmake)
 
 include(CMakePackageConfigHelpers)
 
-configure_package_config_file (
-  cmake/LibFTDI1Config.cmake.in
-  ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1Config.cmake
-  INSTALL_DESTINATION ${LIBFTDI_CMAKE_CONFIG_DIR}
-  PATH_VARS
-    LIBFTDI_USE_FILE
-    LIBFTDI_ROOT_DIR
-    LIBFTDI_INCLUDE_DIR
-    LIBFTDI_INCLUDE_DIRS
-    LIBFTDI_LIBRARY_DIRS
-  NO_CHECK_REQUIRED_COMPONENTS_MACRO
+configure_package_config_file(
+        cmake/LibFTDI1Config.cmake.in
+        ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1Config.cmake
+        INSTALL_DESTINATION ${LIBFTDI_CMAKE_CONFIG_DIR}
+        PATH_VARS
+        LIBFTDI_USE_FILE
+        LIBFTDI_ROOT_DIR
+        LIBFTDI_INCLUDE_DIR
+        LIBFTDI_INCLUDE_DIRS
+        LIBFTDI_LIBRARY_DIRS
+        NO_CHECK_REQUIRED_COMPONENTS_MACRO
 )
-write_basic_package_version_file (
-  LibFTDI1ConfigVersion.cmake
-  VERSION ${LIBFTDI_VERSION_STRING}
-  COMPATIBILITY AnyNewerVersion
+write_basic_package_version_file(
+        LibFTDI1ConfigVersion.cmake
+        VERSION ${LIBFTDI_VERSION_STRING}
+        COMPATIBILITY AnyNewerVersion
 )
 
-install (
-  FILES
-    ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1Config.cmake
-    ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1ConfigVersion.cmake
-    cmake/UseLibFTDI1.cmake
-  DESTINATION ${LIBFTDI_CMAKE_CONFIG_DIR}
+install(
+        FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1Config.cmake
+        ${CMAKE_CURRENT_BINARY_DIR}/LibFTDI1ConfigVersion.cmake
+        cmake/UseLibFTDI1.cmake
+        DESTINATION ${LIBFTDI_CMAKE_CONFIG_DIR}
 )
 
 include(CPack)
 
-message (STATUS "Summary of build options:
+message(STATUS "Summary of build options:
 
+  Build shared libs: ${SHAREDLIBS}
   Build static libs: ${STATICLIBS}
   Build C++ bindings: ${FTDIPP}
   Build Python bindings: ${PYTHON_BINDINGS}