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git/compat/vcbuild
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Erik Faye-Lund d1b6e6e015 win32: use our own dirent.h 
The mingw-runtime implemenation of opendir, readdir and closedir
sets errno to 0 on success, something that POSIX explicitly
forbids. 3ba7a06 ("A loose object is not corrupt if it cannot be
read due to EMFILE") introduce a dependency on this behaviour,
leading to a broken "git clone" on Windows.

compat/mingw.c contains an implementation of readdir, and
compat/msvc.c contains implementations of opendir and closedir.

Move these to compat/win32/dirent.[ch], and change to our own DIR
structure at the same time.

This provides a generic Win32-implementation of opendir, readdir
and closedir which works on both MinGW and MSVC and does not reset
errno, and as a result git clone is working again on Windows.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-23 16:06:50 -08:00
..
include win32: use our own dirent.h 2010-11-23 16:06:50 -08:00
scripts msvc: Fix an "unrecognized option" linker warning 2010-01-22 16:15:14 -08:00
README Add scripts to generate projects for other buildsystems (MSVC vcproj, QMake) 2009-09-18 20:00:42 -07:00

README 

The Steps of Build Git with VS2008

1. You need the build environment, which contains the Git dependencies
   to be able to compile, link and run Git with MSVC.

   You can either use the binary repository:

       WWW: http://repo.or.cz/w/msvcgit.git
       Git: git clone git://repo.or.cz/msvcgit.git
       Zip: http://repo.or.cz/w/msvcgit.git?a=snapshot;h=master;sf=zip

   and call the setup_32bit_env.cmd batch script before compiling Git,
   (see repo/package README for details), or the source repository:

       WWW: http://repo.or.cz/w/gitbuild.git
       Git: git clone git://repo.or.cz/gitbuild.git
       Zip: (None, as it's a project with submodules)

   and build the support libs as instructed in that repo/package.

2. Ensure you have the msysgit environment in your path, so you have
   GNU Make, bash and perl available.

       WWW: http://repo.or.cz/w/msysgit.git
       Git: git clone git://repo.or.cz/msysgit.git
       Zip: http://repo.or.cz/w/msysgit.git?a=snapshot;h=master;sf=zip

   This environment is also needed when you use the resulting
   executables, since Git might need to run scripts which are part of
   the git operations.

3. Inside Git's directory run the command:
       make common-cmds.h
   to generate the common-cmds.h file needed to compile git.

4. Then either build Git with the GNU Make Makefile in the Git projects
   root
       make MSVC=1
   or generate Visual Studio solution/projects (.sln/.vcproj) with the
   command
       perl contrib/buildsystems/generate -g Vcproj
   and open and build the solution with the IDE
       devenv git.sln /useenv
   or build with the IDE build engine directly from the command line
       devenv git.sln /useenv /build "Release|Win32"
   The /useenv option is required, so Visual Studio picks up the
   environment variables for the support libraries required to build
   Git, which you set up in step 1.

Done!