[cfe-dev] [LLVMdev] RFC: Dropping support for building sanitizers with autotools

[Anna Zaks]

Unfortunately, we do rely on the Autotools to build for darwin. 

The lack of proper testing is very unfortunate. In the future, we will either drop the dependency on Makefile/autoconf build or add the support for sanitizer testing.

Anna.

> On Feb 17, 2015, at 10:54 AM, Kostya Serebryany <kcc at google.com> wrote:
> 
> +1 (in case you still need mine)
> 
> On Thu, Feb 12, 2015 at 6:31 PM, Alexey Samsonov <vonosmas at gmail.com <mailto:vonosmas at gmail.com>> wrote:
> Hi everyone,
> 
> TL;DR I plan to do subj unless anyone objects.
> 
> Autotools support for building sanitizers was never complete, is a proper subset of CMake capabilities, and the gap between the features of CMake build and autotools is quickly increasing:
> 1) OS: autotools support Linux, Mac OS X and Android; CMake also supports FreeBSD and Windows.
> 2) Architectures: autotools support i386 and x86_64, CMake also supports MIPS, ARM/AArch64, PowerPC).
> 3) Library variants: autotools don't support building shared ASan runtime on Linux.
> 4 [!!!]) Autotools build doesn't have *any* support for building and running tests.
> 5) The sets of compiler flags we use to build runtimes are different in two builds, and are hard to kept in sync.
> 
> Because of (4), sanitizer runtimes built with autotools are severely undertested, and maintaining two different build systems is a burden I would like to get rid of. Now seems to be a good time for that: we've cut off 3.6 release branch, and Hans assures me that 3.7 release process will use CMake.
> 
> Are there existing users of configure/make that want sanitizers to be available in their build? Are there other arguments for keeping the autotools build "working" I'm missing?
> 
> -- 
> Alexey Samsonov
> vonosmas at gmail.com <mailto:vonosmas at gmail.com>
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