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Client build documentation work.

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Camilla Berglund 2013-06-21 13:04:47 +02:00
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@ -73,19 +73,7 @@ to the compiler that the GLFW functions will be coming from another executable.
@section build_link Link with the right libraries
@subsection build_link_cmake Using GLFW from CMake
The `GLFW_LIBRARIES` cache variable contains all link-time dependencies of GLFW
as it is currently configured, so to link against GLFW simply do:
target_link_libraries(myapp glfw ${GLFW_LIBRARIES})
Note that this does not include GLU, as GLFW does not use it. If your
application needs GLU, you can add it to the list of dependencies with the
`OPENGL_glu_LIBRARY` cache variable.
@subsection build_link_win32 Windows
@subsection build_link_win32 With any toolchain on Windows
The static version of the GLFW library is named `glfw3`. When using this
version, it is also necessary to link with some libraries that GLFW uses.
@ -104,12 +92,72 @@ dependencies, but you still have to link against `opengl32` if your program uses
OpenGL and `glu32` if it uses GLU.
@subsection build_link_unix Unix with X11
@subsection build_link_cmake With CMake and GLFW source
You can use the GLFW source tree directly from a project that uses CMake. This
way, GLFW will be built along with your application as needed.
Firstly, add the root directory of the GLFW source tree to your project. This
will add the `glfw` target and the necessary cache variables to your project.
add_subdirectory(path/to/glfw)
To be able to include the GLFW header from your code, you need to tell the
compiler where to find it.
include_directories(path/to/glfw/include)
Once GLFW has been added to the project, the `GLFW_LIBRARIES` cache variable
contains all link-time dependencies of GLFW as it is currently configured. To
link against GLFW, link against them and the `glfw` target.
target_link_libraries(myapp glfw ${GLFW_LIBRARIES})
Note that `GLFW_LIBRARIES` does not include GLU, as GLFW does not use it. If
your application needs GLU, you can add it to the list of dependencies with the
`OPENGL_glu_LIBRARY` cache variable, which is implicitly created when the GLFW
CMake files look for OpenGL.
target_link_libraries(myapp glfw ${OPENGL_glu_LIBRARY} ${GLFW_LIBRARIES})
@subsection build_link_cmake With CMake on Unix and installed GLFW binaries
CMake can import settings from pkg-config, which GLFW supports. When you
installed GLFW, the pkg-config file `glfw3.pc` was installed along with it.
First you need to find the PkgConfig package. If this fails, you may need to
install the pkg-config package for your distribution.
find_package(PkgConfig REQUIRED)
This creates the CMake commands to find pkg-config packages. Then you need to
find the GLFW package.
pkg_search_module(GLFW REQUIRED glfw3)
This creates the CMake variables you need to use GLFW. To be able to include
the GLFW header, you need to tell your compiler where it is.
include_directories(${GLFW_INCLUDE_DIRS})
You also need to link against the correct libraries. If you are using the
shared library version of GLFW, use the `GLFW_LIBRARIES` variable.
target_link_libraries(simple ${GLFW_LIBRARIES})
If you are using the static library version of GLFW, use the
`GLFW_STATIC_LIBRARIES` variable.
target_link_libraries(simple ${GLFW_STATIC_LIBRARIES})
@subsection build_link_pkgconfig With pkg-config on OS X or other Unix
GLFW supports [pkg-config](http://www.freedesktop.org/wiki/Software/pkg-config/),
and `glfw3.pc` file is generated when the library is built and installed along
with it. You can use it without installation using the `PKG_CONFIG_PATH`
environment variable. See the documentation for pkg-config for more details.
and `glfw3.pc` file is generated when the GLFW library is built and installed
along with it.
A typical compile and link command-line when using the static may look like this:
@ -117,31 +165,32 @@ A typical compile and link command-line when using the static may look like this
If you are using the shared library, simply omit the `--static` flag.
If you are using GLU, you should also add `-lGLU` to your link flags.
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --libs glfw3`
You can also use the `glfw3.pc` file without installing it first, by using the
`PKG_CONFIG_PATH` environment variable.
env PKG_CONFIG_PATH=path/to/glfw/src cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
The dependencies do not include GLU, as GLFW does not need it. On OS X, GLU is
built into the OpenGL framework, so if you need GLU you don't need to do
anything extra. If you need GLU and are using Linux or BSD, you should add
`-lGLU` to your link flags.
See the manpage and other documentation for pkg-config and your compiler and
linker for more information on how to link programs.
@subsection build_link_osx Mac OS X
@subsection build_link_xcode With Xcode on OS X
GLFW on Mac OS X uses the Cocoa, OpenGL and IOKit frameworks.
If you are using the dynamic library version of GLFW, simply add it to the
project dependencies.
If you are using Xcode, you can simply add the GLFW library and these frameworks
as dependencies.
If you are using the static library version of GLFW, add it and the Cocoa,
OpenGL and IOKit frameworks to the project as dependencies.
If you are building from the
command-line, it is recommended that you use pkg-config
GLFW supports [pkg-config](http://www.freedesktop.org/wiki/Software/pkg-config/),
and `glfw3.pc` file is generated when the library is built and installed along
with it. You can use it without installation using the `PKG_CONFIG_PATH`
environment variable. See the documentation for pkg-config for more details.
You can find pkg-config in most package systems such as
[Fink](http://www.finkproject.org/) and [MacPorts](http://www.macports.org/), so
if you have one of them installed, simply install pkg-config. Once you have
pkg-config available, the command-line for compiling and linking your
program is:
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
@subsection build_link_osx With command-line on OS X
If you do not wish to use pkg-config, you need to add the required frameworks
and libraries to your command-line using the `-l` and `-framework` switches,
@ -152,10 +201,9 @@ i.e.:
Note that you do not add the `.framework` extension to a framework when adding
it from the command-line.
The OpenGL framework contains both the OpenGL and GLU APIs, so there is no need
to add additional libraries or frameworks when using GLU. Also note that even
though your machine may have `libGL`-style OpenGL libraries, they are for use
with the X Window System and will *not* work with the Mac OS X native version of
GLFW.
The OpenGL framework contains both the OpenGL and GLU APIs, so there is nothing
special to do when using GLU. Also note that even though your machine may have
`libGL`-style OpenGL libraries, they are for use with the X Window System and
will *not* work with the Mac OS X native version of GLFW.
*/