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  • Try to build with Platform SDK's Windows 2000 build environment for manual NMake invokation.

  • I try to avoid asm for the sake of CPU compatibility.

  • Static seems to be fine, but requires additional steps.

  • What I also do now is build the deps in their own prefixes then merge for making the build of Visual Git easier.

  • I also link MSVCRT statically. /MT over /MD.

zlib

If building a static zlib, you should change /MD to /MT in Makefile.msc, so that it will link against the static CRT.

OpenSSL

See also: http://wp.xin.at/archives/4479

  • Use ActiveState Perl, Strawberry includes a GCC that will foul MSVC/CMake.

  • An EP curve file needs patching, just init a value (because -Werror). Builds fine otherwise. (1.0)

  • For 1.1.1, correct long long refs/constants, and make sure for NT 4, CryptAcquireContext is missing the silent option, or it will fail.

  • I actually bounced up to 1.1.1, here are the options you need:

perl Configure vc-win32 --with-zlib-include=C:\zlib\include --with-zlib-lib=C:\zlib\lib\zlib.lib --prefix=C:\openssl -D_WIN32_WINNT=0x0406 no-dynamic-engine no-engine no-shared no-dso no-asm zlib no-async

  • zlib instead of zlib_dynamic, even for dynamic builds. Point to the right .lib for dynamic or static.

  • I disabled engines because it complicates both a relocatable dynamic and static setups. Means we're missing stuff like SChannel integration, but it matters less. Also because a func is missing on 2000/NT4.

  • no-async is required for 2000, missing a fiber func.

  • OpenSSL prefix should be installed to c:/openssl since CMake looks there. Probably could be changed.

  • Not sure if I need to explicitly set the target SDK.

libssh2

  • NMake or VC++6 generator is fine. VC++6 makes it easier to fix any /MD to /MT flags though.

  • For shared, _WINDLL defined or it'll foul exports, not generating a .lib.

  • vsnprintf is weird, use same shim for vscprintf and prepare to fix refs, like in misc.c.

  • If it doesn't find the OpenSSL library files, (IDK if this is due to 1.1.1 or static), specify the OPENSSL_ROOT and maybe specify ssleay/libeay files for release mode manually from CMake GUI.

libgit2

Patchset trying to be cleaned up and upstreamed, but notices for builders:

  • VC++6 generator (NMake probably fine?)
  • Use static CRT+no shared libs or not depending on sitch
  • No Clar (involves Python)
  • Use SSH, with additional variables because autodetect is dumb
    • LIBSSH2_FOUND BOOL:YES
    • LIBSSH2_INCLUDE_DIRS FILEPATH:C:/libssh2/include
    • LIBSSH2_LIBRARY_DIRS FILEPATH:C:/libssh2/lib
    • LIBSSH2_LIBRARIES STRING:libssh2 (good for both static/shared)
    • XXX: embedded libssh2 is supported, but mandates CNG (Vista)
  • You may need to copy thread.c.obj in both src and src/win32 as thread.obj, unknown why.
  • Disable WinHTTP for using OpenSSL. Using WinHTTP is probably preferable for Windows 7+. Available on 2000 or newer.

Unicows

XXX: Investigate