fltk/CMake/setup.cmake
2021-12-03 20:29:20 +01:00

147 lines
5.3 KiB
CMake

#
# CMakeLists.txt to build the FLTK project using CMake (www.cmake.org)
# Written by Michael Surette
#
# Copyright 1998-2020 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")
set (FLTK_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
include_directories (${FLTK_INCLUDE_DIRS})
# Remember root of FLTK source directory in case we're in a subdirectory.
# Used for instance to find the source directory for doxygen docs
set (FLTK_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
# 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.")
#######################################################################
# platform dependent information
#######################################################################
# set where config files go
if (WIN32 AND NOT CYGWIN)
set (FLTK_CONFIG_PATH CMake)
elseif (APPLE AND NOT OPTION_APPLE_X11)
set (FLTK_CONFIG_PATH FLTK.framework/Resources/CMake)
else ()
set (FLTK_CONFIG_PATH ${FLTK_DATADIR}/fltk)
endif (WIN32 AND NOT CYGWIN)
include(TestBigEndian)
TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
if (CMAKE_GENERATOR MATCHES "Xcode")
if (${XCODE_VERSION} VERSION_GREATER_EQUAL 3.9) # CMake 3.9 and up
# Tell Xcode to regenerate scheme information automatically whenever the
# CMake configuartion changes without asking the user
set (CMAKE_XCODE_GENERATE_SCHEME 1)
endif()
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 "${CMAKE_CXX_FLAGS} -Wno-deprecated")
if (OPTION_APPLE_X11)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -U__APPLE__")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -U__APPLE__")
if (NOT(${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))
elseif (OPTION_APPLE_SDL)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SDL2_INCLUDE_DIRS} -U__APPLE__")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SDL2_INCLUDE_DIRS} -U__APPLE__")
else ()
set (__APPLE_QUARTZ__ 1)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Cocoa")
set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -framework Cocoa")
endif (OPTION_APPLE_X11)
endif (APPLE)
if (WIN32)
# we do no longer define WIN32 or _WIN32 (since FLTK 1.4.0)
# ... but if we did, we'd define _WIN32 (since FLTK 1.4.0)
# add_definitions (-D_WIN32)
if (MSVC)
add_definitions (-DWIN32_LEAN_AND_MEAN)
add_definitions (-D_CRT_SECURE_NO_WARNINGS)
set (BORDER_WIDTH 2)
endif (MSVC)
if (CMAKE_C_COMPILER_ID STREQUAL GNU)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-subsystem,windows")
endif (CMAKE_C_COMPILER_ID STREQUAL GNU)
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 (${SIZEOF_INT} MATCHES "^8$")