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wxWidgets for macOS installation {#plat_osx_install}
-----------------------------------
[TOC]
wxWidgets can be compiled using Apple's Cocoa toolkit.
Most OS X developers should start by downloading and installing Xcode
from the App Store. It is a free IDE from Apple that provides
all the tools you need for working with wxWidgets.
After Xcode is installed, download `wxWidgets-{version}.tar.bz2` and then
double-click on it to unpack it to create a wxWidgets directory.
Next, use Terminal (under Applications, Utilities, Terminal) to access a command
prompt. Use `cd` to change directories to your wxWidgets directory and execute
the following sets of commands from the wxWidgets directory.
mkdir build-cocoa-debug
cd build-cocoa-debug
../configure --enable-debug
make
It is recommended to use the `-jN` option with the last command, where `N` is a
number of the processors in your system (which can be checked using `sysctl -n
hw.ncpu` command if you are not sure), as this will dramatically speed up the
build on modern systems. So in practice you should use a command like this:
make -j8
(but don't use it unless you actually have 8 CPUs and enough memory for that
many parallel compiler invocations).
You may also prefer to add the `-s` option to avoid normal output from make and/or
redirect it you to a log file for further inspection.
You should build at least the smallest possible wxWidgets sample to verify that
everything is working as intended, by doing
cd samples/minimal
make
and then running `minimal.app` from this directory from Finder.
If you'd like to, you can also build all the other samples and demos
cd samples; make;cd ..
cd demos; make;cd ..
If you use CMake, please see @ref overview_cmake for
building wxWidgets using it.
Advanced topics {#osx_advanced}
===============
Building library for distribution
---------------------------------
When building the library for the distribution with your application, you shouldn't
use the `--enable-debug` option above. You may, however, want to use the `--disable-sys-libs`
option to ensure that it has no dependencies on your build system's other libraries
that may not be present on all systems where the application is used.
It is also often desirable to build the final version of the application as a
"universal binary" (i.e., a combination of binaries for several different
architectures). In this case, you should build wxWidgets as a universal binary
too, using the `--enable-universal_binary` option. By default, this option enables
building for the usually wanted set of architectures (currently ARM and Intel),
but you may override this by listing the architectures you want to use
explicitly, separating them with commas.
Creating an application icon (icns)
-----------------------------------
Assuming that your application icon is a PNG file named "app-logo.png" that
has a 1024x1024 resolution, run the following from Terminal:
mkdir app-logo.iconset
sips -z 16 16 app-logo.png --out app-logo.iconset/icon_16x16.png
sips -z 32 32 app-logo.png --out app-logo.iconset/icon_16x16@2x.png
sips -z 32 32 app-logo.png --out app-logo.iconset/icon_32x32.png
sips -z 64 64 app-logo.png --out app-logo.iconset/icon_32x32@2x.png
sips -z 128 128 app-logo.png --out app-logo.iconset/icon_128x128.png
sips -z 256 256 app-logo.png --out app-logo.iconset/icon_128x128@2x.png
sips -z 256 256 app-logo.png --out app-logo.iconset/icon_256x256.png
sips -z 512 512 app-logo.png --out app-logo.iconset/icon_256x256@2x.png
sips -z 512 512 app-logo.png --out app-logo.iconset/icon_512x512.png
cp app-logo.png app-logo.iconset/icon_512x512@2x.png
iconutil -c icns app-logo.iconset
rm -R app-logo.iconset
This will produce a file named "app-logo.icns" that can be included in your
Info.plist file to be used as the application icon.
Installing library {#osx_install}
------------------
It is rarely desirable to install non-Apple software into system directories,
so the recommended way of using wxWidgets under macOS is to skip the `make
install` step and simply use the full path to `wx-config` under the build
directory when building an application using the library.
If you want to install the library into the system directories, you'll need
to do this as root. The accepted way of running commands as root is to
use the built-in `sudo` mechanism. First of all, you must be using an
account marked as a "Computer Administrator". Then
sudo make install
type \<YOUR OWN PASSWORD\>
Distributing applications using wxWidgets
-----------------------------------------
If you build wxWidgets as static libraries (i.e., pass `--disable-shared` option
to configure), you don't need to do anything special to distribute them, as all
the required code is linked into your application itself. When using shared
libraries (which is the default), you need to copy the libraries into your
application bundle and change their paths using `install_name_tool` so that
they are loaded from their new locations.
Apple Developer Tools: Xcode {#osx_xcode}
----------------------------
You can use the project in build/osx/wxcocoa.xcodeproj to build the Cocoa
version of wxWidgets (wxOSX/Cocoa). There are also sample
projects supplied with the minimal sample.
Notice that the command lines above build not just the library itself but
also the wxrc tool which doesn't have its own Xcode project. If you need this tool,
the simplest possibility is to build it from the command line after installing
the libraries using commands like this:
$ cd utils/wxrc
$ g++ -o wxrc wxrc.cpp `wx-config --cxxflags --libs base,xml`

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Welcome to wxWidgets/Mac
More Information is available from the wxWidgets project home page at
https://www.wxwidgets.org
For more information, please see install.md and the manuals.
Please send problems concerning installation, feature requests,
bug reports or comments to the wxWidgets users list. Information
on how to subscribe is available from the wxWidgets.org homepage.
Questions/Problems related directly to the mac port can be reported
at https://github.com/wxWidgets/wxWidgets/issues/new.
Regards,
Stefan Csomor