[llvm-dev] LLVM Releases

[Marty Itzkowitz via llvm-dev]

Thanks.  More below.

> On Jul 3, 2019, at 12:06 PM, Justin Clift <justin at postgresql.org> wrote:
> 
> Not sure personally, as I've not touched the libcxx source before.  Looking
> at line 876 for libcxx/include/chrono, gives this:
> 
>  https://github.com/llvm/llvm-project/blob/d2298e74235598f15594fe2c99bbac870a507c59/libcxx/include/chrono#L876 <https://github.com/llvm/llvm-project/blob/d2298e74235598f15594fe2c99bbac870a507c59/libcxx/include/chrono#L876>
> 
> Nothing is obviously weird there though.  Not sure where the complained about
> constant is coming from, but if you can figure out it's source location you
> should be able to use "git blame" to determine the commit which added it.
> 
> And (in theory) that should have info in it explaining the where/why of it. ;)
> 
> 
>> Is there some compiler that would work?
> 
> I used gcc 4.8.5 to compile LLVM ~8.0.1-rc2 on CentOS 7 AMD64 not long ago,
> which worked ok.  That was using cmake, with these specific options (in case
> that's useful):
 
I’ve installed it successfully on both x86 and ARM.  It’s only on POWER9  (ppc641e)  that it fails.
That one is not in your TARGETS_TO_BUILD list, alas.

	Thanks,
		Marty


> 
>  $ mkdir $HOME/local/source
>  $ cd $HOME/local/source
>  $ git clone -b release/8.x https://github.com/llvm/llvm-project <https://github.com/llvm/llvm-project>
>  $ mkdir build
>  $ cd build
> 
>  $ cmake \
>  -G Ninja \
>  -DCMAKE_INSTALL_PREFIX=/opt/llvm8 \
>  -DCMAKE_BUILD_TYPE=Release \
>  -DLIBCLANG_BUILD_STATIC=ON \
>  -DLLVM_CCACHE_BUILD=ON \
>  -DLLVM_CCACHE_DIR=$HOME/local/source/ccache \
>  -DLLVM_ENABLE_ASSERTIONS=OFF \
>  -DLLVM_ENABLE_LIBCXX=ON \
>  -DLLVM_ENABLE_PROJECTS='clang;lld' \
>  -DLLVM_OPTIMIZED_TABLEGEN=ON \
>  -DLLVM_TARGETS_TO_BUILD='X86;ARM;AArch64;WebAssembly' \
>  $HOME/local/source/llvm-project/llvm
> 
>  $ ninja-build
> 
> Maybe give that a shot, and if it builds ok, it should be enough of the
> compiler to be useful, or for then building the libcxx stuff you're after.

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