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  • Tamar Christina's avatar
    Upgrade GCC to 5.2.0 for Windows x86 and x86_64 · 7b211b4e
    Tamar Christina authored and Ben Gamari's avatar Ben Gamari committed
    This patch does a few things
    - Moved GHC x86 to MinGW-w64 (Using Awson's patch)
    - Moves Both GHCs to MSYS2 toolchains
    - Completely removes the dependencies on the git tarball repo
      - Downloads only the required tarball for the architecture for
        which we are building
      - Downloads the perl tarball is missing as well
      - Fixed a few bugs in the linker to fix tests on Windows
    The links currently point to and GitHub, it might be
    more desirable to mirror them on as with the previous patch
    For more details on what the MSYS2 packages I include see #10726
    (Awson's comment). but it should contain all we need
    and no python or fortran, which makes the uncompressed tar a 1-2
    hundreds mb smaller.
    The `GCC 5.2.0` in the package supports `libgcc` as a shared library,
    this is a problem since
    when compiling with -shared the produced dll now has a dependency on
    To solve this the flag `-static-libgcc` is now being used for all GCC
    calls on windows.
    Test Plan:
    ./validate was ran both on x86 and x86_64 windows and compared against
    the baseline.
    A few test were failing due to Ld no longer being noisy. These were
    The changes to the configure script *should* be validated by the build
    bots for the other platforms before landing
    Reviewers: simonmar, awson, bgamari, austin, thomie
    Reviewed By: thomie
    Subscribers: #ghc_windows_task_force, thomie, awson
    Differential Revision:
    GHC Trac Issues: #10726, #9014, #9218, #10435