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From: Csaba Raduly <rcsaba AT gmail DOT com>
Date: Wed, 20 Dec 2017 11:40:05 +0100
Message-ID: <CAEhDDbAvbfZ=PvWzoO3+yYXbir-QWZtg1bL34RLbpCMLXQ66Xg@mail.gmail.com>
Subject: Re: LLVM 5.0 is not building on Clang
To: cygwin list <cygwin AT cygwin DOT com>
Cc: dreakinlaja AT gmail DOT com
Content-Type: text/plain; charset="UTF-8"

Hi Darmie,

On Mon, Dec 18, 2017 at 12:29 PM, Darmie Akinlaja  wrote:
> I tried building LLVM / Clang 5.0 but it's failing.
>
> This is the error I am getting:
>
> [ 63%] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.
> cpp.o

It might be useful to see the actual command line. Clang's makefiles
are created by cmake; you can add VERBOSE=1 to the make command to see
the actual commands during build.

> /usr/lib/gcc/x86_64-pc-cygwin/6.4.0/../../../../x86_64-pc-cygwin/bin/as:
> CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o: too many sections (44421)
> /tmp/cch2ze42.s: Assembler messages:
> /tmp/cch2ze42.s: Fatal error: can't write 18 bytes to section .text of
> CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o because: 'File too big'
> /usr/lib/gcc/x86_64-pc-cygwin/6.4.0/../../../../x86_64-pc-cygwin/bin/as:
> CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o: too many sections (44421)
> /tmp/cch2ze42.s: Fatal error: can't close
> CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o:
> File too big
> make[2]: *** [lib/Passes/CMakeFiles/LLVMPasses.dir/build.make:63:
> lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o] Error 1
> make[1]: *** [CMakeFiles/Makefile2:12756:
> lib/Passes/CMakeFiles/LLVMPasses.dir/all]
> Error 2
> make: *** [Makefile:150: all] Error 2

You didn't attach a cygcheck output, as recommended in
> Problem reports:       http://cygwin.com/problems.html

Is your Cygwin 64-bit? What is the output of 'uname -a'?

Try re-running cmake with CMAKE_BUILD_TYPE=Release
The debug info can get very large for some object files in clang/LLVM.

Or you could try the suggestion I found after googling for  :
assembler can't write file too big

https://lists.llvm.org/pipermail/llvm-dev/2014-May/072642.html

(disclaimer: I didn't try it)

>
> --
> *ABOUT ME*
> *Damilare Darmie Akinlaja *is a physicist and software developer who
[snip]

For the love of God and all that is holy, get rid of that monstrosity!
I don't care about what you did in 2011, let alone in 2008.
If I did, I would visit your website or Linkedin page.

Csaba
-- 
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Life is complex, with real and imaginary parts.
"Ok, it boots. Which means it must be bug-free and perfect. " -- Linus Torvalds
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