[llvm-dev] [RFC] Deprecating autoconf: Let's do it!

[Eric Christopher via llvm-dev]

We've already chatted do you know I'm in favor, but here's an explicit +1 :)

Thanks!

-eric

On Fri, Nov 6, 2015, 9:57 AM Chris Bieneman via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi LLVMDev,
>
> Since my last update we’ve landed patches for these issues:
> * Bug 14200 - -fno-rtti not in cxxflags given by llvm-config
> * Bug 23746 - test-suite lacks CMake support
> * Bug 25059 - CMake libllvm.so.$MAJOR.$MINOR shared object name not
> compatible with ldconfig
>
> On my last thread Jonathan Roelofs pointed out that there is a workaround
> for Bug 21568 (Cannot add rpath), so I’m making it non-blocking. Which
> leaves only Bug 23947, which I’m also going to move that to non-blocking
> because it only applies to building LLVM on MIPS64 hardware.
>
> With those changes we have no issues left blocking deprecating autoconf.
> There are still some issues we should track and follow through on, but I
> think all major uses are covered and we can make CMake the only officially
> supported way to build LLVM.
>
> My proposal at this point is that we should officially deprecate autoconf,
> and I would like to follow this process for removing it:
>
> (1) Add a note to the release notes for 3.8, and a big warning at the end
> of the configure script telling people to use CMake
> (2) Support autoconf with bug fixes only, no new features for 3.8
> (3) After the 3.8 branch remove all the makefiles and have the configure
> script log a message to use CMake
> (4) After the 3.9 branch remove the configure script completely
>
> I’ve attached a patch that handles the first step. Please let me know if
> this sounds like a reasonable path for the community.
>
> Also, a big “Thank You” to everyone who has contributed patches, reviewed
> patches, and helped out with this work over the last year. It has been a
> long road, but the end is in sight!
>
> Thanks,
> -Chris
>
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