fd5cd80935
This is a big commit and there are too many changes to list them all.
The main changes are:
- rename all CMake build options to 'FLTK_*'
- export library targets with namespace (prefix) 'fltk::'
- standardize shared library target names with suffix '-shared'
- set public build properties on libraries for consumers
- document library names and aliases in README.CMake.txt
- document changes in "Migrating Code from FLTK 1.3 to 1.4"
- partial backwards compatibility for old user projects
Included but not directly related changes:
- fix Windows (Visual Studio) DLL build
- add CMake function fl_debug_target() to show target properties
- don't build test programs if FLTK is a subproject
- internal: reformat CMake code: remove space before '('
Thanks to Matthias and Manolo for their help, testing, and feeback.
169 lines
4.9 KiB
CMake
169 lines
4.9 KiB
CMake
#
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# This file sets variables for common use in export.cmake and install.cmake
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# Originally written by Michael Surette
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#
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# Copyright 1998-2024 by Bill Spitzak and others.
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#
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# This library is free software. Distribution and use rights are outlined in
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# the file "COPYING" which should have been included with this file. If this
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# file is missing or damaged, see the license at:
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#
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# https://www.fltk.org/COPYING.php
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#
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# Please see the following page on how to report bugs and issues:
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#
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# https://www.fltk.org/bugs.php
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#
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#######################################################################
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set(DEBUG_VARIABLES_CMAKE 0)
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if(DEBUG_VARIABLES_CMAKE)
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message(STATUS "[** variables.cmake **]")
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fl_debug_var(HAVE_DLSYM)
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fl_debug_var(CMAKE_DL_LIBS)
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fl_debug_var(CMAKE_EXE_LINKER_FLAGS)
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fl_debug_var(LDFLAGS)
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fl_debug_var(LIBS)
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fl_debug_var(GLLIBS)
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fl_debug_var(IMAGELIBS)
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fl_debug_var(STATICIMAGELIBS)
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fl_debug_var(FLTK_LDLIBS)
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fl_debug_var(LIB_jpeg)
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fl_debug_var(LIB_png)
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fl_debug_var(LIB_zlib)
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fl_debug_var(FLTK_LIBRARIES)
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endif(DEBUG_VARIABLES_CMAKE)
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#######################################################################
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# add several libraries
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# FIXME: libraries may need reordering.
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# FIXME: check fontconfig conditions (only if Xft is used or ...)
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if(WIN32)
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list(APPEND FLTK_LDLIBS -lole32 -luuid -lcomctl32 -lws2_32)
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elseif(APPLE AND NOT FLTK_BACKEND_X11)
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list(APPEND FLTK_LDLIBS "-framework Cocoa")
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elseif(FLTK_BACKEND_WAYLAND)
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list(APPEND FLTK_LDLIBS "-lwayland-cursor -lwayland-client -lxkbcommon -ldbus-1")
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if(USE_SYSTEM_LIBDECOR)
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list(APPEND FLTK_LDLIBS "-ldecor-0")
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endif(USE_SYSTEM_LIBDECOR)
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else()
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list(APPEND FLTK_LDLIBS -lm)
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endif(WIN32)
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if(LIB_fontconfig)
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list(APPEND FLTK_LDLIBS -lfontconfig)
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endif(LIB_fontconfig)
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# add "-ldl" or whatever is necessary according to CMake (CMAKE_DL_LIBS)
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if(HAVE_DLSYM)
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foreach(LIB ${CMAKE_DL_LIBS})
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list(APPEND FLTK_LDLIBS "-l${LIB}")
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endforeach()
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endif(HAVE_DLSYM)
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#######################################################################
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# Set variables for fltk-config (generated from fltk-config.in)
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#######################################################################
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# Variables in fltk-config.in (@VAR@) are used in configure(.ac)
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# and in CMake so their names and usage must be synchronized.
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# CMake generates two instances of fltk-config, one that can be used
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# directly in the build tree (see export.cmake) and one that is copied
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# to the installation directory (see install.cmake). Common variables
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# should be set here, whereas variables with different values should
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# be set in install.cmake or export.cmake, respectively.
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if(WIN32)
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set(LDFLAGS "${CMAKE_EXE_LINKER_FLAGS} -mwindows")
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endif()
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set(IMAGELIBS)
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set(STATICIMAGELIBS)
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if(FLTK_USE_BUNDLED_JPEG)
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list(APPEND IMAGELIBS -lfltk_jpeg)
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list(APPEND STATICIMAGELIBS \$libdir/libfltk_jpeg.a)
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else()
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if(LIB_jpeg)
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# fl_debug_var(LIB_jpeg)
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list(APPEND IMAGELIBS ${LIB_jpeg})
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list(APPEND STATICIMAGELIBS ${LIB_jpeg})
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endif(LIB_jpeg)
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endif(FLTK_USE_BUNDLED_JPEG)
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if(FLTK_USE_BUNDLED_PNG)
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list(APPEND IMAGELIBS -lfltk_png)
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list(APPEND STATICIMAGELIBS \$libdir/libfltk_png.a)
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else()
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if(LIB_png)
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# fl_debug_var(LIB_png)
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list(APPEND IMAGELIBS ${LIB_png})
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list(APPEND STATICIMAGELIBS ${LIB_png})
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endif(LIB_png)
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endif(FLTK_USE_BUNDLED_PNG)
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if(FLTK_USE_BUNDLED_ZLIB)
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list(APPEND IMAGELIBS -lfltk_z)
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list(APPEND STATICIMAGELIBS \$libdir/libfltk_z.a)
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else()
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if(LIB_zlib)
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list(APPEND IMAGELIBS ${LIB_zlib})
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list(APPEND STATICIMAGELIBS ${LIB_zlib})
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endif(LIB_zlib)
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endif(FLTK_USE_BUNDLED_ZLIB)
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string(REPLACE ";" " " IMAGELIBS "${IMAGELIBS}")
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string(REPLACE ";" " " STATICIMAGELIBS "${STATICIMAGELIBS}")
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#######################################################################
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set(CC ${CMAKE_C_COMPILER})
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set(CXX ${CMAKE_CXX_COMPILER})
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set(ARCHFLAGS ${FLTK_ARCHFLAGS})
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string(TOUPPER "${CMAKE_BUILD_TYPE}" BUILD_UPPER)
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if(${BUILD_UPPER})
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set(CFLAGS "${CMAKE_C_FLAGS_${BUILD_UPPER}} ${CFLAGS}")
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endif(${BUILD_UPPER})
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set(CFLAGS "${FLTK_OPTION_OPTIM} ${CMAKE_C_FLAGS} ${CFLAGS}")
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foreach(arg ${FLTK_CFLAGS})
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set(CFLAGS "${CFLAGS} ${arg}")
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endforeach(arg ${FLTK_CFLAGS})
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set(CXXFLAGS "${CFLAGS}")
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foreach(arg ${FLTK_LDLIBS})
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set(LINK_LIBS "${LINK_LIBS} ${arg}")
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endforeach(arg ${FLTK_LDLIBS})
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set(LIBS "${LINK_LIBS}")
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if(${CMAKE_SYSTEM_NAME} STREQUAL "AIX")
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set(SHAREDSUFFIX "_s")
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else()
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set(SHAREDSUFFIX "")
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endif(${CMAKE_SYSTEM_NAME} STREQUAL "AIX")
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if(DEBUG_VARIABLES_CMAKE)
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message(STATUS "") # empty line
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fl_debug_var(HAVE_DLSYM)
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fl_debug_var(CMAKE_DL_LIBS)
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fl_debug_var(CMAKE_EXE_LINKER_FLAGS)
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fl_debug_var(LDFLAGS)
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fl_debug_var(LIBS)
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fl_debug_var(GLLIBS)
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fl_debug_var(IMAGELIBS)
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fl_debug_var(STATICIMAGELIBS)
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fl_debug_var(FLTK_LDLIBS)
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fl_debug_var(LIB_jpeg)
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fl_debug_var(LIB_png)
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fl_debug_var(LIB_zlib)
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fl_debug_var(FLTK_LIBRARIES)
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message(STATUS "[** end of variables.cmake **]")
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endif(DEBUG_VARIABLES_CMAKE)
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unset(DEBUG_VARIABLES_CMAKE)
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