[cfe-dev] Prebuilt clang for Windows versions versus versions built with the latest source

Nikola Smiljanic via cfe-dev cfe-dev at lists.llvm.org
Mon Sep 7 19:21:00 PDT 2015

Yes, you can use ninja with VC++, it just replaces MSBuild.

On Tue, Sep 8, 2015 at 9:28 AM, Edward Diener via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> On 9/6/2015 9:46 PM, Nikola Smiljanic via cfe-dev wrote:
>> Here's the script +Hans uses to build so you can compare.
> This script suggests that it is building clang using Visual Studio 2012.
> But it is using Ninja as the CMake generator so I am confused by what is
> happening here. Can anybody clarify what is being used to build clang in
> the script being presented to me ?
>> On Mon, Sep 7, 2015 at 11:33 AM, Edward Diener via cfe-dev
>> <cfe-dev at lists.llvm.org
>> <mailto:cfe-dev at lists.llvm.org>> wrote:
>>     If I look at pre-built version of clang for Windows I notice that
>>     there are no dependencies on any C++ implementation DLLs but only on
>>     the common lower level Windows DLLs kernel32.dll, shell32.dll, and
>>     advapi32.dll, which are all in the windows/system32 directory. This
>>     appears pretty nice.
>>     If I build clang from source using some version of mingw-64/gcc as
>>     the compiler and CMake/Ninja as the build system I end up with a
>>     clang which has dependencies on the above mentioned lower level
>>     Windows DLLs and msvcrt.dll in the windows/system32 directory, as
>>     well as libstdc++6.dll and on whatever other DLL represents the
>>     exceptional model for that version of mingw-64/gcc in a mingw-64/gcc
>>     bin directory. If I build a 32-bit version of clang with
>>     mingw-64/gcc 32-bit supporting the dwarf exception model clang has a
>>     dependency on LIBGCC_S_DW2-1.DLL. If I build a 64-bit version of
>>     clang with mingw-64/gcc 64-bit supporting the seh exception model
>>     clang has a dependency on LIBGCC_S_SEH-1.DLL.
>>     Why is there this discrepancy between the pre-built versions and the
>>     32-bit and 64-bit versions of clang which I build ?
>>     Or better yet, with what is the clang pre-built versions being built
>>     so that it has no dependencies on any compiler implementation DLL ?
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