fltk/CMake/setup.cmake
ManoloFLTK 377ff11ec9 Link frameworks used by recent macOS versions with -weak_framework
This allows FLTK apps to use the recent frameworks when they run on recent
macOS versions even if the minimum supported macOS version of these apps is more
ancient than the framework.
2024-06-16 19:48:55 +02:00

182 lines
6.2 KiB
CMake

#
# CMakeLists.txt to build the FLTK project using CMake (www.cmake.org)
# Originally written by Michael Surette
#
# Copyright 1998-2024 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# https://www.fltk.org/COPYING.php
#
# Please see the following page on how to report bugs and issues:
#
# https://www.fltk.org/bugs.php
#
#######################################################################
# basic setup
#######################################################################
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/lib)
set(ARCHIVE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/lib)
# Search for modules in the FLTK source dir first
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake")
# Setup install locations (requires CMake 2.8.4)
include(GNUInstallDirs)
set(FLTK_BINDIR ${CMAKE_INSTALL_BINDIR} CACHE PATH
"Binary install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
set(FLTK_LIBDIR ${CMAKE_INSTALL_LIBDIR} CACHE PATH
"Library install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
set(FLTK_INCLUDEDIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE PATH
"Public header install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
set(FLTK_DATADIR ${CMAKE_INSTALL_DATADIR} CACHE PATH
"Non-arch data install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
set(FLTK_MANDIR ${CMAKE_INSTALL_MANDIR} CACHE PATH
"Manual install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
set(FLTK_DOCDIR ${CMAKE_INSTALL_DATADIR}/doc CACHE PATH
"Non-arch doc install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
#######################################################################
# Initialize variables needed to collect include directories etc..
# Some of these variables are used to *append* other values later
#######################################################################
set(FLTK_BUILD_INCLUDE_DIRECTORIES "")
set(FLTK_IMAGE_INCLUDE_DIRECTORIES "")
set(FLTK_IMAGE_LIBRARIES "")
set(FLTK_IMAGE_LIBRARIES_SHARED "")
set(FLTK_CFLAGS "")
set(FLTK_LIBRARIES "")
set(FLTK_LIBRARIES_SHARED "")
# Remember root of FLTK source directory in case we're later in a subdirectory.
# Used for instance to find the source directory for doxygen docs
set(FLTK_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
if(FLTK_SOURCE_DIR STREQUAL ${CMAKE_SOURCE_DIR})
set(FLTK_IS_TOPLEVEL TRUE)
else()
set(FLTK_IS_TOPLEVEL FALSE)
endif()
# Note: FLTK_INCLUDE_DIRS is used to export the required include directories
# in FLTKConfig.cmake etc.
# ### FIXME ### check if we really need this ...
set(FLTK_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
# FLTK_BUILD_INCLUDE_DIRECTORIES is used to build the main FLTK lib
set(FLTK_BUILD_INCLUDE_DIRECTORIES)
# Some of these variables are used to *append* other values later
set(FLTK_LDLIBS "")
set(FLTK_LIBRARIES "")
set(IMAGELIBS "")
set(LDFLAGS "")
set(LINK_LIBS "")
set(STATICIMAGELIBS "")
#######################################################################
# platform dependent information
#######################################################################
# set where config files go
if(WIN32 AND NOT CYGWIN)
set(FLTK_CONFIG_PATH CMake)
elseif(APPLE AND NOT FLTK_BACKEND_X11)
set(FLTK_CONFIG_PATH FLTK.framework/Resources/CMake)
else()
set(FLTK_CONFIG_PATH ${FLTK_DATADIR}/fltk)
endif(WIN32 AND NOT CYGWIN)
include(TestBigEndian)
TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
if(CMAKE_GENERATOR MATCHES "Xcode")
# Tell Xcode to regenerate scheme information automatically whenever the
# CMake configuration changes without asking the user
set(CMAKE_XCODE_GENERATE_SCHEME 1)
endif()
if(APPLE)
set(HAVE_STRCASECMP 1)
set(HAVE_DIRENT_H 1)
set(HAVE_SNPRINTF 1)
set(HAVE_VSNPRINTF 1)
set(HAVE_SCANDIR 1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated")
if(FLTK_BACKEND_X11)
if(NOT(${CMAKE_SYSTEM_VERSION} VERSION_LESS 17.0.0)) # a.k.a. macOS version ≥ 10.13
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_LIBCPP_HAS_THREAD_API_PTHREAD")
endif(NOT(${CMAKE_SYSTEM_VERSION} VERSION_LESS 17.0.0))
else()
set(FLTK_COCOA_FRAMEWORKS "-framework Cocoa")
if (NOT (CMAKE_OSX_ARCHITECTURES STREQUAL "ppc" OR CMAKE_OSX_ARCHITECTURES STREQUAL "i386"))
if(${CMAKE_SYSTEM_VERSION} VERSION_GREATER_EQUAL 20.0) # a.k.a. macOS version ≥ 11.0
list(APPEND FLTK_COCOA_FRAMEWORKS "-weak_framework UniformTypeIdentifiers")
endif()
if(${CMAKE_SYSTEM_VERSION} VERSION_GREATER_EQUAL 24.0) # a.k.a. macOS version ≥ 15.0
list(APPEND FLTK_COCOA_FRAMEWORKS "-weak_framework ScreenCaptureKit")
endif()
endif()
endif(FLTK_BACKEND_X11)
endif(APPLE)
if(WIN32)
# we do no longer define WIN32 or _WIN32 (since FLTK 1.4.0)
# ... but if we did, we'd define _WIN32 (since FLTK 1.4.0)
# add_definitions (-D_WIN32)
if(MSVC)
add_definitions (-DWIN32_LEAN_AND_MEAN)
add_definitions (-D_CRT_SECURE_NO_WARNINGS)
if(NOT MSVC_VERSION VERSION_LESS 1900) # Visual Studio 2015
add_compile_options (/utf-8) # equivalent to `/source-charset:utf-8 /execution-charset:utf-8`
endif()
set(BORDER_WIDTH 2)
endif(MSVC)
if(MINGW AND EXISTS /mingw)
list(APPEND CMAKE_PREFIX_PATH /mingw)
endif(MINGW AND EXISTS /mingw)
endif(WIN32)
#######################################################################
# size of ints
include(CheckTypeSize)
CHECK_TYPE_SIZE(short SIZEOF_SHORT)
CHECK_TYPE_SIZE(int SIZEOF_INT)
CHECK_TYPE_SIZE(long SIZEOF_LONG)
CHECK_TYPE_SIZE("long long" HAVE_LONG_LONG)
if(${SIZEOF_SHORT} MATCHES "^2$")
set(U16 "unsigned short")
endif(${SIZEOF_SHORT} MATCHES "^2$")
if(${SIZEOF_INT} MATCHES "^4$")
set(U32 "unsigned")
else()
if(${SIZEOF_LONG} MATCHES "^4$")
set(U32 "unsigned long")
endif(${SIZEOF_LONG} MATCHES "^4$")
endif(${SIZEOF_INT} MATCHES "^4$")
if(${SIZEOF_INT} MATCHES "^8$")
set(U64 "unsigned")
else()
if(${SIZEOF_LONG} MATCHES "^8$")
set(U64 "unsigned long")
endif(${SIZEOF_LONG} MATCHES "^8$")
endif(${SIZEOF_INT} MATCHES "^8$")