Building Mesa for windows 7. Mesa 9.1

by

Common scons options:

build=release
machine=x86
platform=windows
libgl-gdi

  1. Linux (Debian Wheezy), toolchain=crossmingw: Fails during linking phase because it can’t find __vscprintf, among other things. Works as of Debian Jessie 8.5 & Mesa d2f42a945ec0fbcc51b59cfd329258bd62ebf0d2 via:

    scons \
toolchain=crossmingw \
build=release \
machine=x86 \
platform=windows \
libgl-gdi

    DLL is installed to build/windows-x86/gallium/targets/libgl-gdi/opengl32.dll

  2. Windows, toolchain=mingw: Fails with “The command line is too long.” despite multiple permutations of both snippits on LongCmdLinesOnWin32.

  3. Windows, VS2012 Express, MSVC_VERSION=11.0: Succeeds after removing stray C99-isms from src/glsl/ralloc.c::ralloc_size().

EDIT: More complete procedure:

  1. Install Visual Studio Express 2012 for Windows Desktop:

    http://www.microsoft.com/visualstudio/eng/downloads#d-express-windows-desktop

  2. Install MinGW:

    http://www.mingw.org/
http://sourceforge.net/projects/mingw/files/
http://sourceforge.net/projects/mingw/files/latest/download?source=files
mingw-get-inst-20120426.exe

Run installer:
Download latest repo catalogs
Install to C:\MinGW (default)
Check:
* C compiler
* C++ compiler
* MSYS basic system
* MinGW developer toolkit (should install msys-flex and msys-bison)

  3. Install Python 2.7:

    http://www.python.org/download/
http://www.python.org/ftp/python/2.7.5/python-2.7.5.msi

You have to use 32-bit Python because the Scons people only distribute 32-bit installers.

Install for all users (default)
Install to C:\Python27 (default)
Use default install options/customizations

  4. Install libxml2 for Python:

    http://www.lfd.uci.edu/~gohlke/pythonlibs/
libxml2-python-2.9.1.win32-py2.7.‌exe

Installer should find the python install automagically

  5. Install pywin32:

    http://pywin32.sourceforge.net/
http://sourceforge.net/projects/pywin32/files/pywin32/
http://sourceforge.net/projects/pywin32/files/pywin32/Build%20218/
http://sourceforge.net/projects/pywin32/files/pywin32/Build%20218/pywin32-218.win32-py2.7.exe

Installer should find the Python install automagically

  6. Install Scons:

    http://www.scons.org/
http://prdownloads.sourceforge.net/scons/scons-2.3.0-setup.exe

Installer should find the Python install automagically

  7. Add these near the top of your PATH:

    C:\Python27\
C:\Python27\Scripts

  8. Download Mesa:

    ftp://ftp.freedesktop.org/pub/mesa/
ftp://ftp.freedesktop.org/pub/mesa/9.1.5/MesaLib-9.1.5.zip

Extract somewhere (C:\Mesa-9.1.5)

  9. Start MSYS shell:

    C:\mingw\msys\1.0\msys.bat

Change into mesa src directory:
cd /c/Mesa-9.1.5/

  10. Build Mesa:

    scons.py \
build=release \
machine=x86 \
platform=windows \
MSVC_VERSION=11.0 \
libgl-gdi \

This should create an opengl32.dll in build\windows-x86\gallium\targets\libgl-gdi.

With a little bit more legwork it’s possible to build llvmpipe.

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