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Reformatted a large chunk of INSTALL.md
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Charles Dang
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INSTALL.md
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INSTALL.md
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@ -1,14 +1,6 @@
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Contents
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========
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# Building Wesnoth from Source
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1. Prerequisites
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2. Build Environment
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3. SCons Build
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4. CMake Build
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5. Build Options
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## 1. Prerequisites
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## Prerequisites
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Wesnoth requires a compiler with sufficient C++14 support such as GCC 5.0 and
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later, or Clang 3.8 and later.
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@ -52,7 +44,7 @@ features:
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of the user interface.
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## 2. Build Environment
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## Build Environment
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You can obtain the source code tarball for the latest version from
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<https://www.wesnoth.org/downloads>.
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@ -86,7 +78,7 @@ For Windows users, a Visual C++ 2013 solution is included in _projectfiles/VC12_
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For OS X users, an XCode project is included in _projectfiles/XCode_.
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## 3. SCons Build
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## SCons Build
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Unlike CMake or the classic "autotools" build-system (configure && make),
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configuration and building are done in the same step with SCons.
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@ -110,7 +102,7 @@ Building the MP server only:
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The `install` target will install any binaries that were previously compiled
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(use su or sudo if necessary to write files into the installation prefix):
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# scons install
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$ scons install
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SCons takes a `prefix=` argument that specifies where to install the game and
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its resource files. The prefix defaults to `/usr/local`; for production builds,
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@ -119,7 +111,7 @@ you may wish to use `/usr` instead:
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$ scons prefix=/usr
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## 4. CMake Build
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## CMake Build
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Unlike SCons, CMake has separate configuration and build steps. Configuration
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is done using CMake itself, and the actual build is done using `make`.
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@ -154,7 +146,7 @@ and their cached values on a console and graphical UI, respectively.
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$ cmake-gui ..
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## 5. Build Options
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## Build Options
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A full list of options supported by SCons along with their descriptions and
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defaults is available by running `scons --help` from the Wesnoth source. For
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@ -169,82 +161,18 @@ With SCons, boolean options take `yes` or `true` for a true value, and `no` or
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`false` for a false value. CMake uses `ON` for a true value, and `OFF` for a
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false value.
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Some of the most important options follow.
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### Some of the most important options follow.
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* build=<build type> (SCons)
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CMAKE_BUILD_TYPE=<build type> (CMake)
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Selects a specific build configuration when compiling. `release` produces
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the default, optimized (-O3) build for regular use. `debug` produces a
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slower and larger unoptimized (-O0) build with full debug symbols, which is
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often needed for obtaining detailed backtraces when reporting bugs.
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* ENABLE_GAME=<boolean> (CMake)
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Whether to build the game client binary. Use command line target selection
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selection with SCons instead.
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* ENABLE_SERVER=<boolean> (CMake)
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Whether to build the MP server binary. Use command line target selection
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selection with SCons instead.
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* prefix=<full path> (SCons)
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CMAKE_INSTALL_PREFIX=<full path> (CMake)
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Installation prefix for binaries, resources, and documentation files.
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* nls=<boolean> (SCons)
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ENABLE_NLS=<boolean> (CMake)
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Whether to compile and install translations.
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* strict=<boolean> (SCons)
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ENABLE_STRICT_COMPILATION=<boolean> (CMake)
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Whether to treat compiler warnings as errors or not. Primarily intended for
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developers.
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* prefsdir=<directory name> (SCons)
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PREFERENCES_DIR=<directory name> (CMake)
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Hardcoded user preferences and user data directory. The default is to leave
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this unspecified so that Wesnoth will use separate XDG paths such as
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.config/wesnoth and .local/share/wesnoth/<version> for its user preferences
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and data, respectively.
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* cxxtool=<program> (SCons)
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CMAKE_CXX_COMPILER=<program> (CMake)
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Specifies which C++ compiler to use. By default, the system's default C++
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compiler will be automatically selected during configuration.
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* ccache=<boolean> (SCons)
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Whether to run the compiler through ccache first. Useful if the compiler
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executable is not a symbolic link to ccache. Requires ccache to be
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installed first.
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If using CMake, use CMAKE_CXX_COMPILER instead.
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* extra_flags_<buildtype>=<flags> (SCons)
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extra_flags_config=<flags> (SCons)
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CXX_FLAGS_USER=<flags> (CMake)
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Additional compiler flags to use when compiling a specific build type
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(SCons-only). To apply the same flags to all builds, use extra_flags_config
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(SCons) or CXX_FLAGS_USER (CMake) without a build type suffix.
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Alternatively, you may specify your flags in the CXXFLAGS environment
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variable.
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* fifodir=<full path> (SCons)
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FIFO_DIR=<full path> (CMake)
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server_uid=<UID> server_gid=<GID> (SCons)
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SERVER_UID=<UID> SERVER_GID=<GID> (CMake)
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Directory and owner id for the wesnothd control FIFO file. This is relevant
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only if you wish to be able to communicate with a local wesnothd instance
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through a named pipe. You must run wesnothd with the same UID specified at
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build time for this to work.
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| Scons | CMake | Description |
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|------------------------------------------------------------------------|--------------------------------------------------------------------| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `build=<build type>` | `CMAKE_BUILD_TYPE=<build type>` | Selects a specific build configuration when compiling. `release` produces the default, optimized (-O3) build for regular use. `debug` produces a slower and larger unoptimized (-O0) build with full debug symbols, which is often needed for obtaining detailed backtraces when reporting bugs. |
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| | `ENABLE_GAME=<boolean>` | Whether to build the game client binary. Use command line target selection selection with SCons instead. |
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| | `ENABLE_SERVER=<boolean>` | Whether to build the MP server binary. Use command line target selection with SCons instead. |
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| `prefix=<full path>` | `CMAKE_INSTALL_PREFIX=<full path>` | Installation prefix for binaries, resources, and documentation files. |
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| `nls=<boolean>` | `ENABLE_NLS=<boolean>` | Whether to compile and install translations. |
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| `strict=<boolean>` | `ENABLE_STRICT_COMPILATION=<boolean>` | Whether to treat compiler warnings as errors or not. Primarily intended for developers. |
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| `prefsdir=<directory name>` | `PREFERENCES_DIR=<directory name>` | Hardcoded user preferences and user data directory. The default is to leave this unspecified so that Wesnoth will use separate XDG paths such as .config/wesnoth and .local/share/wesnoth/<version> for its user preferences and data, respectively. |
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| `cxxtool=<program>` | `CMAKE_CXX_COMPILER=<program>` | Specifies which C++ compiler to use. By default, the system's default C++ compiler will be automatically selected during configuration. |
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| `ccache=<boolean>` | | Whether to run the compiler through ccache first. Useful if the compiler executable is not a symbolic link to ccache. Requires ccache to be installed first. If using CMake, use CMAKE_CXX_COMPILER instead. |
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| `extra_flags_<buildtype> =<flags>` `extra_flags_config=<flags>` | `CXX_FLAGS_USER=<flags>` | Additional compiler flags to use when compiling a specific build type (SCons-only). To apply the same flags to all builds, use extra_flags_config (SCons) or CXX_FLAGS_USER (CMake) without a build type suffix. Alternatively, you may specify your flags in the CXXFLAGS environment variable. |
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| `fifodir=<full path>` `server_uid=<UID>` `server_gid=<GID>` | `FIFO_DIR=<full path>` `SERVER_UID=<UID>` `SERVER_GID=<GID>` | Directory and owner id for the wesnothd control FIFO file. This is relevant only if you wish to be able to communicate with a local wesnothd instance through a named pipe. You must run wesnothd with the same UID specified at build time for this to work. |
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