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# Compiling
## Requirements
Unfortunately, the requirements for building Textadept are not quite as minimal
as running it.
### Linux and BSD
Linux systems need the GTK+ development libraries. Your package manager should
allow you to install them. For Debian-based distributions like Ubuntu, the
package is typically called `libgtk2.0-dev`. Otherwise, compile and install GTK
from the [GTK+ website][]. Additionally you will need the [GNU C compiler][]
(`gcc`) and [GNU Make][] (`make`). Both should be available for your Linux
distribution through its package manager. For example, Ubuntu includes these
tools in the `build-essential` package.
If you would like to compile the terminal version of Textadept, you will need
the ncurses and CDK development libraries. Similarly, they should be available
from your package manager. For Debian-based distributions like Ubuntu, the
packages are typically called `libncurses5-dev` and `libcdk5-dev`. Otherwise,
compile and install them from their [respective][] [websites][].
[GTK+ website]: http://www.gtk.org/download/linux.html
[GNU C compiler]: http://gcc.gnu.org
[GNU Make]: http://www.gnu.org/software/make/
[respective]: http://invisible-island.net/ncurses/#download_ncurses
[websites]: http://invisible-island.net/cdk/#download
### Windows
Compiling Textadept on Windows is no longer supported. If you wish to do so
however, you need a C compiler that supports the C99 standard (Microsoft's does
not) and the [GTK+ for Windows bundle][] (2.24 is recommended).
The preferred way to compile for Windows is cross-compiling from Linux. To do
so, in addition to the GTK bundle mentioned above, you need [MinGW][] with the
Windows header files. They should be available from your package manager.
[GTK+ for Windows bundle]: http://www.gtk.org/download/win32.html
[MinGW]: http://mingw.org
### Mac OSX
Compiling Textadept on Mac OSX is no longer supported. The preferred way is
cross-compiling from Linux. To do so, you will need my [GTK+ for OSX bundle][]
and the [Apple Crosscompiler][] binaries.
[GTK+ for OSX bundle]: download/gtkosx-2.24.9.zip
[Apple Crosscompiler]: https://launchpad.net/~flosoft/+archive/cross-apple
## Compiling
Make sure you downloaded the `textadept_x.x.src.zip` (regardless of what
platform you are on) and not a platform-specific binary package.
### Linux and BSD
For Linux systems, simply run `make` in the `src/` directory. The `textadept`
and `textadeptjit` executables are created in the root directory. Make a symlink
from them to `/usr/bin/` or elsewhere in your `PATH`.
### Cross Compiling for Windows
When cross-compiling from within Linux, first unzip the GTK+ for Windows bundle
into a new `src/win32gtk` directory. Then, depending on your MingW installation,
either run `make win32`, modify the `CROSS` variable in the `win32` block of
`src/Makefile` and run `make win32`, or run `make CROSS=i486-mingw32- win32` to
build `../textadept.exe` and `../textadeptjit.exe`.
Please note that a `lua51.dll` is produced for _only_ the `textadeptjit.exe`
because limitations on external Lua library loading do not allow statically
linking LuaJIT to Textadept.
### Cross Compiling for Mac OSX
When cross-compiling from within Linux, first unzip the GTK+ for OSX bundle into
a new `src/gtkosx` directory. Then run `make` to build `../textadept.osx` and
`../textadeptjit.osx`. At this point it is recommended to build a new
`Textadept.app` from an existing one. Download the most recent app and replace
`Contents/MacOS/textadept.osx` and `Contents/MacOS/textadeptjit.osx` with your
own versions.
#### Compiling on OSX (Legacy)
[XCode][] is needed for Mac OSX as well as [jhbuild][]. After building
`meta-gtk-osx-bootstrap` and `meta-gtk-osx-core`, you need to build
`meta-gtk-osx-themes`. Note that the entire compiling process can easily take 30
minutes or more and ultimately consume nearly 1GB of disk space.
After using `jhbuild`, GTK is in `~/gtk` so make a symlink from `~/gtk/inst` to
`src/gtkosx` in Textadept. Then open `src/Makefile` and uncomment the `Darwin`
block. Finally, run `make osx` to build `../textadept.osx` and
`../textadeptjit.osx`.
Note: to build a GTK+ for OSX bundle, the following needs to be run from the
`src` directory before zipping up `gtkosx/include` and `gtkosx/lib`:
sed -i -e 's|libdir=/Users/username/gtk/inst/lib|libdir=${prefix}/lib|;' \
gtkosx/lib/pkgconfig/*.pc
where `username` is replaced with your username.
[XCode]: http://developer.apple.com/TOOLS/xcode/
[jhbuild]: http://sourceforge.net/apps/trac/gtk-osx/wiki/Build
### Notes on LuaJIT
[LuaJIT][] is a Just-In-Time Compiler for Lua and can boost the speed of Lua
programs. I have noticed that syntax highlighting can be up to 2 times faster
with LuaJIT than with vanilla Lua. This difference is largely unnoticable on
modern computers and usually only discernable when initially loading large
files. Other than syntax highlighting, LuaJIT offers no real benefit
performance-wise to justify it being Textadept's default runtime. LuaJIT's
[ffi library][], however, appears to be useful for interfacing with external,
non-Lua, libraries.
[LuaJIT]: http://luajit.org
[ffi library]: http://luajit.org/ext_ffi.html
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