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As discussed between Matthias, Albrecht and Manolo, the best procedure is
- use MAC_OS_X_VERSION_MAX_ALLOWED but not __MAC_OS_X_VERSION_MAX_ALLOWED;
- compile helper file CMake /macOSMaxAllowed.c to detect whether the SDK in use
is in version above a given threshold version number;
- based upon the result of this check, decide to weakly link or not a given framework.
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Sorry for the noise...
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CMake/macOSMaxAllowed.c:
avoid C compiler warning in test code
CMake/setup.cmake, technical changes:
- optimization: test SDK 15.0.0 first to avoid unnecessary test if true
- use a function instead of a macro
- use different names for (cached) result variables
- use prefix FLTK_ for cache variables
Note: the cache variables are marked 'internal': you may need to grep
CMakeCache.txt to view them.
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This change will work as well when cross-compiling.
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This commit suppresses a CMake warning if FLTK_MSVC_RUNTIME_DLL is
defined on the CMake commandline on platforms that don't use it.
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User @supsm reported that using LLVM/clang to compile together with
the MSVC linker should support the MSVC runtime DLL selection.
This commit enables the option on Windows except MinGW and MSYS
rather than MSVC only.
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... which is not a real macOS "Framework".
Note that users building and *installing* FLTK should either install in
a fresh directory or delete the entire 'FLTK.framework' tree if they
are reusing an existing install directory because it will not be
deleted by subsequent installs.
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- makesrcdist: store Git revision in a file in the tarball
- CMake/resources.cmake: get git revision either from Git or file and
store it as CMake cache variable 'FLTK_GIT_REVISION' for reference
- documentation/*: get git revision from git or file
- fluid/documentation/*: get git revision from git or file
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Part 1: replace the check for trunc() with check_symbol_exists().
Part 2 (to be done): replace all occurrences of the macro
check_function_exists() with check_symbol_exists() if possible.
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The attempted consistency check to remove FLTK's obsolete cache
variable OPENGL_GLU_INCLUDE_DIR which is used by CMake 3.29+ could
cause false positives, at least on macOS, as reported on issue #1046.
This modified code removes OPENGL_GLU_INCLUDE_DIR if it is defined
but FLTK_OPENGL_GLU_INCLUDE_DIR is not (yet) defined which indicates
the first configure execution with the new code.
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This commit consists of two parts:
1. CMake/resources.cmake: remove the old variable OPENGL_GLU_INCLUDE_DIR
from the CMake cache if possible, otherwise enforce a clean build.
2. src/CMakeLists.txt, CMake/options.cmake: use the new variable name
FLTK_OPENGL_GLU_INCLUDE_DIR.
For details please see GitHub Issue #1001.
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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.
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The previous procedure using CGWindowListCreateImageFromArray()
is obsoleted in macOS 15.0 .
The new procedure requires an additional framework: ScreenCaptureKit;
FLTK uses it only for macOS ≥ 15.0
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- Remove find_library(LIB_GLEW ...) from 'resources.cmake'
- Use the variable FLTK_GLEW_DIR to "find" a user supplied GLEW library
for OpenGL3 example programs (examples/OpenGL3*.cxx).
Both static and shared libs (DLLs) are supported, but the static
library is preferred to avoid DLL dependencies.
- Define preprocessor macro 'GLEW_STATIC' by CMake compile definitions
if and only if the static glew library (glew32s) was found and linked.
The previous code defined 'GLEW_STATIC' unconditionally in the source
code which led to undefined references if a shared lib (DLL) was used.
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- don't use pkg-config to find Cairo if FLTK_CAIRO_DIR is set
- use FLTK_CAIRO_DIR to locate Cairo headers and DLL if it is set
- otherwise try to find Cairo with pkg-config anyway
This prevents accidentally "finding" the system Cairo libs provided
by MSYS - which would tie the FLTK library and user programs to MSYS,
i.e. it would make FLTK programs depend on the MSYS installation.
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... (add_library cannot create ALIAS target "fltk" because target
"fltk::fltk" is imported but not globally visible)
It turned out that this was due to a CMake feature that was changed in
CMake 3.18. This commit makes imported FLTK targets globally visible
for CMake versions less than 3.18.
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Todo: check "*LOCATION" properties ...
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This removes these warnings for each source file compiled
osxcross: warning: possibly dangerous include path specified: '-I /usr/include/freetype2'
osxcross: info: you can silence this warning via 'OSXCROSS_NO_INCLUDE_PATH_WARNINGS=1' (env)
when cross-compiling from Linux to macOS.
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This would create these warnings for each source file compiled
osxcross: warning: possibly dangerous include path specified: '-I /usr/include/freetype2'
osxcross: info: you can silence this warning via 'OSXCROSS_NO_INCLUDE_PATH_WARNINGS=1' (env)
when cross-compiling from Linux to macOS.
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This commit is only for CMake debugging.
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Visual Studio projects that link to the FLTK DLL (fltk::fltk-shared)
inherit the compile definition set by the DLL target and will be
compiled with "-D FL_DLL" as required w/o the user project having
to set this preprocessor macro explicitly.
Todo: documentation will follow...
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- remove build option FLTK_USE_KDIALOG replaced by an Fl::option() option
- new run-time option OPTION_FNFC_USES_KDIALOG
- make options OPTION_FNFC_USES_KDIALOG and OPTION_FNFC_USES_ZENITY
false by default
- add mention of new program fltk-options in the doc of Fl::option()
- change logic of choice of the native file chooser under X11/Wayland:
the zenity and kdialog choosers are opt-in; otherwise the GTK file chooser
is used, unless opted out with OPTION_FNFC_USES_GTK
- document that zenity may be interesting for sandboxed apps
- document that both zenity and kdialog make member functions
Fl_Native_File_Chooser::filter_value() inoperable
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Wayland only: output either the libdecor location or "Bundled".
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* CMake integration, no autotiools
* alignment panel is now correctly renamed to setting panel
* source view is now correctly renamed to code view
* Merge FLTK FLUID docs into FLUID user manual.
* Add two simple entry tutorials
* Remove FLUID chapter form FLTK docs.
* GitHub action to generate HTML and PDF docs and
make the available as artefacts
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Parts of this commit fix the usage of CMake targets in the generation
process of fltk-config modified by PR #954.
The rest improves handling of variables used to generate fltk-config,
removes obsolete comments, documents variables like GLLIBS etc. which
had to be done anyway.
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This carries include directories and the required link flags.
Several libraries brought in through pkg_check_modules aren't linked correctly using the _LDFLAGS variables.
Instead, they link the libraries directly with `-l`.
This is problematic because it doesn't properly pull in the actual directory of the library being linked when it is not in a system library directory.
Likewise, the necessary include directories for several of these targets aren't properly set either.
Linking against the imported targets automatically pulls in the necessary include directories.
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* CMake: Improve detection of the GLU library and GL/glu.h header file
Locate the GLU library and header independent of the GL library and header locations.
Add the GLU header location to necessary target_include_directory calls.
* CMake: Locate and use the GL include directory
Find the GL include directory and use it in target_include_directories calls.
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- simplify and unify build option output
- alignment can be changed in only 2 macros in CMake/fl_summary.cmake
- output system library location of image libraries if applicable
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- add configure + CMake checks to define HAVE_TRUNC in config.h
- src/Fl_Timeout.cxx: add local replacement function
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The recommended replacement requires macos ≥ 11.0 and a new framework: UniformTypeIdentifiers
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Add system check for setenv() function in configure and CMake.
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- it's no longer necessary to take care of the change in the layout of "struct libdecor"
between versions ≤ 0.2.2 and > 0.2.2 of libdecor
- version > 0.2.2 contains MR131, that is, it defines LIBDECOR_WINDOW_STATE_RESIZING
so the hack to emulate it is no longer necessary
- CMake option FLTK_USE_SYSTEM_LIBDECOR now requires libdecor version > 0.2.2
to be activated, otherwise the bundled libdecor is used
- what will be the libdecor version after 0.2.2 (0.2.3? 0.3.0?) is not known as of today
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That should disappear when next version of libdecor will be released.
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note: use only if found.
Todo: check if we can get rid of explicit directory names like /opt/sw,
/sw, /opt/X11, ...
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Too much simplified code when introducing modern CMake and renaming
some build options caused this issue. It's hopefully fixed nor, or
at least improved.
Todo: the code in question needs to be revised anyway.
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This could happen on Linux if built with CMake option
"-DFLTK_USE_SYSTEM_LIBDECOR=OFF"
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