Okay, sounds good. For whatever it may be worth, I pasted the build failure to 
D75068 shortly after it landed with the hope that the original author(s) would 
commit a quick fix, but that didn't happen.


On Wed, Apr 29, 2020, at 10:23 AM, Hans Wennborg wrote:
> Your suggestion of
> 
> > if(LLVM_ENABLE_PIC OR (WIN32 AND NOT LIBCLANG_BUILD_STATIC))
> 
> sounds good to me. I don't know what the non-Windows non-PIC problem
> was exactly (your commit didn't mention it), so maybe it's best if you
> land that to verify it fixes the issue?
> 
> Thanks,
> Hans
> 
> On Wed, Apr 29, 2020 at 3:59 PM David Zarzycki <d...@znu.io> wrote:
> >
> > Hans,
> >
> > Non-Windows non-PIC setups were working just fine until four days ago when 
> > D75068 landed. I tried to narrowly unbreak non-Windows non-PIC systems but 
> > apparently that broke Windows. For that, I'm sorry. That being said, 
> > non-Windows systems are broken again and this breakable was foreseeable 
> > given my revert. What is your plan for non-Windows systems?
> >
> > As a part of the post-revert discussion in D75068, cristian.adam suggested 
> > that the check for WIN32 should be added back, but nobody followed through 
> > on that. What is stopping us from adding Christian's proposed change? 
> > Specifically:
> >
> > if(LLVM_ENABLE_PIC OR (WIN32 AND NOT LIBCLANG_BUILD_STATIC))
> >
> > Dave
> >
> > On Wed, Apr 29, 2020, at 9:19 AM, Hans Wennborg wrote:
> > > On Sun, Apr 26, 2020 at 1:17 PM David Zarzycki via cfe-commits
> > > <cfe-commits@lists.llvm.org> wrote:
> > > >
> > > >
> > > > Author: David Zarzycki
> > > > Date: 2020-04-26T07:16:42-04:00
> > > > New Revision: 665471907a5c072c6653a38c35f35e5d54cef220
> > > >
> > > > URL: 
> > > > https://github.com/llvm/llvm-project/commit/665471907a5c072c6653a38c35f35e5d54cef220
> > > > DIFF: 
> > > > https://github.com/llvm/llvm-project/commit/665471907a5c072c6653a38c35f35e5d54cef220.diff
> > > >
> > > > LOG: [CMake] Fix logic error: NOT LIBCLANG_BUILD_STATIC does not imply 
> > > > PIC
> > >
> > > But it does imply building libclang.dll.
> > >
> > > Your change broke building libclang.dll when configured with "cmake
> > > -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS=clang
> > > -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_PIC=OFF" on Windows, see the
> > > discussion here: https://reviews.llvm.org/D74564#1884556
> > >
> > > I've reverted in 209ab6d8835cd88320ceb814893759cfbda91d15.
> > >
> > > >
> > > > Added:
> > > >
> > > >
> > > > Modified:
> > > >     clang/tools/libclang/CMakeLists.txt
> > > >
> > > > Removed:
> > > >
> > > >
> > > >
> > > > ################################################################################
> > > > diff  --git a/clang/tools/libclang/CMakeLists.txt 
> > > > b/clang/tools/libclang/CMakeLists.txt
> > > > index bb2b14cc8e27..9368501592a9 100644
> > > > --- a/clang/tools/libclang/CMakeLists.txt
> > > > +++ b/clang/tools/libclang/CMakeLists.txt
> > > > @@ -77,7 +77,7 @@ if(MSVC)
> > > >    set(LLVM_EXPORTED_SYMBOL_FILE)
> > > >  endif()
> > > >
> > > > -if(LLVM_ENABLE_PIC OR NOT LIBCLANG_BUILD_STATIC)
> > > > +if(LLVM_ENABLE_PIC)
> > > >    set(ENABLE_SHARED SHARED)
> > > >  endif()
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > cfe-commits mailing list
> > > > cfe-commits@lists.llvm.org
> > > > https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
> > >
>
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