[cfe-dev] Makefile.config and ./configure

[Jonathan Roelofs via cfe-dev]

On 11/12/15 5:45 PM, Omid Ghenatnevi via cfe-dev wrote:
> I've made a separate build directory as follows
>
> build
>     - release
>
>
> and in release the file Makefile.config is missing. I believe this is
> because I need to run ./configure from the source tree directory which
> is another directory called LLVM.
>
> the problem is when I run ./configure I get the message:
>
> configure: error: In-source builds are not allowed. Please configure
> from a separate build directory
>
> Any help would be appreciated

lay out your directories like this:

llvm
     src
        ...
     lib
        ...
     configure
build

Then do:

$ cd build
$ ../llvm/configure


(It's also *highly* recommended that you use the CMake build rather than 
the Autotools build, as the former was just deprecated)


Jon

>
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-- 
Jon Roelofs
jonathan at codesourcery.com
CodeSourcery / Mentor Embedded