5175192755
- remove separate libfltk_cairo to avoid cyclic dependencies, but
- keep a dummy libfltk_cairo in 1.4.0 for backwards compatibility
- move cairo/Fl_Cairo.cxx to src/Fl_Cairo.cxx
- add preliminary Cairo support for Visual Studio (MSVC)
Static linking is not affected by this change, but users building
with hand-made Makefiles will have to remove libfltk_cairo starting
with FLTK 1.4.0. The dummy library can be linked for backwards
compatibility but it will be removed later (in 1.4.x or 1.5.0).
The shared FLTK library libfltk.{so|dylib|dll|..} depends on libcairo
if and only if FLTK is built with one of the Cairo options. This has
always been the case for OPTION_CAIROEXT but is now also true if only
OPTION_CAIRO is selected, i.e. FLTK programs linked with a Cairo
enabled shared FLTK library will also be linked with libcairo. The same
is true for configure options --enable-cairo and --enable-cairoext,
respectively.
Preliminary Cairo support for MSVC now detects a Cairo installation
using the CMake variable FLTK_CAIRO_DIR which must be set by the user.
Note that this feature is temporary and may be changed in the future
for a better and more comfortable version.
40 lines
1.3 KiB
CMake
40 lines
1.3 KiB
CMake
#
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# CMakeLists.txt to build a dummy Cairo library for the FLTK project using CMake
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#
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# Copyright 1998-2023 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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# Note: since FLTK 1.4.0 Fl_Cairo_Window support [1] is included in
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# libfltk and libfltk_cairo is no longer necessary. This directory is
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# used to build an "empty" dummy library for backwards compatibility,
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# just in case users expect it to exist.
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# ----------------------------------------------------------------------
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# The entire 'cairo' folder will be removed in a later FLTK release.
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########################################################################
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# Build dummy fltk_cairo library
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set (cairo_SRCS cairo_dummy.c)
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FL_ADD_LIBRARY (fltk_cairo STATIC "${cairo_SRCS}")
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# Build shared dummy library (optional)
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if (OPTION_BUILD_SHARED_LIBS)
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FL_ADD_LIBRARY (fltk_cairo SHARED "${cairo_SRCS}")
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target_link_libraries (fltk_cairo_SHARED fltk_SHARED)
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endif (OPTION_BUILD_SHARED_LIBS)
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