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196 lines
5.7 KiB
196 lines
5.7 KiB
Compiling and Installing
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========================
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.. toctree::
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:maxdepth: 1
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:hidden:
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meson
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1. Prerequisites for building
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-----------------------------
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1.1 General
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~~~~~~~~~~~
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Build system
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^^^^^^^^^^^^
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- `Meson <https://mesonbuild.com>`__ is required when building on \*nix
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platforms and is supported on Windows.
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- `SCons <http://www.scons.org/>`__ is an alternative for building on
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Windows and Linux.
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- Android Build system when building as native Android component. Meson
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is used when when building ARC.
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Compiler
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^^^^^^^^
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The following compilers are known to work, if you know of others or
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you're willing to maintain support for other compiler get in touch.
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- GCC 4.2.0 or later (some parts of Mesa may require later versions)
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- Clang - exact minimum requirement is currently unknown.
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- Microsoft Visual Studio 2015 or later is required, for building on
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Windows.
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Third party/extra tools.
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^^^^^^^^^^^^^^^^^^^^^^^^
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- `Python <https://www.python.org/>`__ - Python is required. When
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building with SCons 2.7 is required. When building with meson 3.5 or
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newer is required.
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- `Python Mako module <http://www.makotemplates.org/>`__ - Python Mako
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module is required. Version 0.8.0 or later should work.
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- lex / yacc - for building the Mesa IR and GLSL compiler.
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On Linux systems, Flex and Bison versions 2.5.35 and 2.4.1,
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respectively, (or later) should work. On Windows with MinGW, install
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Flex and Bison with:
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::
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mingw-get install msys-flex msys-bison
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For MSVC on Windows, install `Win
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flex-bison <http://winflexbison.sourceforge.net/>`__.
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.. note::
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Some versions can be buggy (e.g. Flex 2.6.2) so do try others
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if things fail.
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1.2 Requirements
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~~~~~~~~~~~~~~~~
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The requirements depends on the features selected at configure stage.
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Check/install the respective -devel package as prompted by the configure
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error message.
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Here are some common ways to retrieve most/all of the dependencies based
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on the packaging tool used by your distro.
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::
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zypper source-install --build-deps-only Mesa # openSUSE/SLED/SLES
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yum-builddep mesa # yum Fedora, OpenSuse(?)
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dnf builddep mesa # dnf Fedora
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apt-get build-dep mesa # Debian and derivatives
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... # others
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2. Building with meson
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----------------------
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**Meson >= 0.46.0 is required**
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Meson is the latest build system in mesa, it is currently able to build
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for \*nix systems like Linux and BSD, macOS, Haiku, and Windows.
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The general approach is:
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::
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meson builddir/
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ninja -C builddir/
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sudo ninja -C builddir/ install
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On Windows you can also use the Visual Studio backend
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::
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meson builddir --backend=vs
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cd builddir
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msbuild mesa.sln /m
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Please read the :doc:`detailed meson instructions <meson>` for more
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information
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3. Building with SCons (Windows/Linux)
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--------------------------------------
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To build Mesa with SCons on Linux or Windows do
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::
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scons
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The build output will be placed in
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build/\ *platform*-*machine*-*debug*/..., where *platform* is for
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example Linux or Windows, *machine* is x86 or x86_64, optionally
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followed by -debug for debug builds.
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To build Mesa with SCons for Windows on Linux using the MinGW
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crosscompiler toolchain do
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::
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scons platform=windows toolchain=crossmingw machine=x86 libgl-gdi
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This will create:
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- build/windows-x86-debug/gallium/targets/libgl-gdi/opengl32.dll — Mesa
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+ Gallium + softpipe (or llvmpipe), binary compatible with Windows's
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opengl32.dll
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Put them all in the same directory to test them. Additional information
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is available in `README.WIN32 <README.WIN32>`__.
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4. Building with AOSP (Android)
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-------------------------------
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Currently one can build Mesa for Android as part of the AOSP project,
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yet your experience might vary.
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In order to achieve that one should update their local manifest to point
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to the upstream repo, set the appropriate BOARD_GPU_DRIVERS and build
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the libGLES_mesa library.
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FINISHME: Improve on the instructions add references to Rob H
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repos/Jenkins, Android-x86 and/or other resources.
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5. Library Information
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----------------------
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When compilation has finished, look in the top-level ``lib/`` (or
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``lib64/``) directory. You'll see a set of library files similar to
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this:
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::
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lrwxrwxrwx 1 brian users 10 Mar 26 07:53 libGL.so -> libGL.so.1*
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lrwxrwxrwx 1 brian users 19 Mar 26 07:53 libGL.so.1 -> libGL.so.1.5.060100*
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-rwxr-xr-x 1 brian users 3375861 Mar 26 07:53 libGL.so.1.5.060100*
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lrwxrwxrwx 1 brian users 14 Mar 26 07:53 libOSMesa.so -> libOSMesa.so.6*
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lrwxrwxrwx 1 brian users 23 Mar 26 07:53 libOSMesa.so.6 -> libOSMesa.so.6.1.060100*
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-rwxr-xr-x 1 brian users 23871 Mar 26 07:53 libOSMesa.so.6.1.060100*
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**libGL** is the main OpenGL library (i.e. Mesa), while **libOSMesa** is
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the OSMesa (Off-Screen) interface library.
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If you built the DRI hardware drivers, you'll also see the DRI drivers:
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::
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-rwxr-xr-x 1 brian users 16895413 Jul 21 12:11 i915_dri.so
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-rwxr-xr-x 1 brian users 16895413 Jul 21 12:11 i965_dri.so
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-rwxr-xr-x 1 brian users 11849858 Jul 21 12:12 r200_dri.so
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-rwxr-xr-x 1 brian users 11757388 Jul 21 12:12 radeon_dri.so
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If you built with Gallium support, look in lib/gallium/ for
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Gallium-based versions of libGL and device drivers.
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6. Building OpenGL programs with pkg-config
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-------------------------------------------
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Running ``ninja install`` will install package configuration files for
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the pkg-config utility.
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When compiling your OpenGL application you can use pkg-config to
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determine the proper compiler and linker flags.
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For example, compiling and linking a GLUT application can be done with:
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::
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gcc `pkg-config --cflags --libs glut` mydemo.c -o mydemo
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