[llvm-dev] In-source builds are not allowed, but documentation requires Make.config

David Wiberg via llvm-dev llvm-dev at lists.llvm.org
Sun Aug 30 12:50:23 PDT 2015

2015-08-30 10:12 GMT+02:00 Sam Vervaeck via llvm-dev <llvm-dev at lists.llvm.org>:
> Hi,
> I’m trying to build the documentation. Running make in /docs, I get the
> following error:
> Makefile:44: Makefile.config: No such file or directory
> make: *** No rule to make target `Makefile.config'.  Stop.


You can try running (from the LLVM_SRC_DIR\docs directory): make -f

See [1] for some more information.

[1] http://llvm.org/docs/BuildingLLVMWithAutotools.html

Best regards

> According to this answer:
> http://stackoverflow.com/questions/4763381/no-rule-to-make-target-makefile-needed-by-makefile#comment40533198_4908782,
> a ./configure in the LLVM_SRC_ROOT should fix this. The error seems to
> suggest a similar thing. However:
> $ ./configure
> configure: error: In-source builds are not allowed. Please configure from a
> separate build directory!
> Makes it unable to generate the required files. How should this be fixed?
> Thanks in advance,
> Sam
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