llvm dev - Mar 2017 - Error in Windows build from release_40 branch

Hi,

I'm trying to do a build and install on Windows 10 with Visual Studio 
2015 Community Edition for the X86 and ARM targets, from the current 
release_40 branch. While compilation completes without error, the 
INSTALL target fails with the following error:

54>  CMake Error at 
projects/compiler-rt/lib/builtins/cmake_install.cmake:34 (file):
54>    file INSTALL cannot find
54> 
"E:/Users/stm/Documents/GIT/llvm-build-4.0/$(Configuration)/lib/clang/4.0.0/lib/windows/clang_rt.builtins-x86_64.lib".
54>  Call Stack (most recent call first):
54>    projects/compiler-rt/lib/cmake_install.cmake:33 (include)
54>    projects/compiler-rt/cmake_install.cmake:33 (include)
54>    projects/cmake_install.cmake:32 (include)
54>    cmake_install.cmake:57 (include)

I found a similar issue described in this thread:

http://lists.llvm.org/pipermail/llvm-dev/2014-March/070889.html

I'm assuming that I made a mistake, as otherwise others would have the 
problem too, but it is unclear to me what I could be doing wrong. I'm 
building from the Git mirror, with the following repository hierarchy:

llvm
llvm\projects\compiler-rt
llvm\tools\clang
llvm\tools\clang\tools\extra
llvm\tools\lld

I would be grateful for any hints, thanks!

--
Stephan

On Sun, Mar 5, 2017 at 12:45 AM, Stephan Mühlstrasser via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I'm trying to do a build and install on Windows 10 with Visual Studio
2015
> Community Edition for the X86 and ARM targets, from the current release_40
> branch. While compilation completes without error, the INSTALL target fails
> with the following error:
>
> 54>  CMake Error at
projects/compiler-rt/lib/builtins/cmake_install.cmake:34
> (file):
> 54>    file INSTALL cannot find
> 54>
>
"E:/Users/stm/Documents/GIT/llvm-build-4.0/$(Configuration)/lib/clang/4.0.0/lib/windows/clang_rt.builtins-x86_64.lib".
> 54>  Call Stack (most recent call first):
> 54>    projects/compiler-rt/lib/cmake_install.cmake:33 (include)
> 54>    projects/compiler-rt/cmake_install.cmake:33 (include)
> 54>    projects/cmake_install.cmake:32 (include)
> 54>    cmake_install.cmake:57 (include)
>
> I found a similar issue described in this thread:
>
> http://lists.llvm.org/pipermail/llvm-dev/2014-March/070889.html
>
> I'm assuming that I made a mistake, as otherwise others would have the
> problem too, but it is unclear to me what I could be doing wrong. I'm
> building from the Git mirror, with the following repository hierarchy:
>
> llvm
> llvm\projects\compiler-rt
> llvm\tools\clang
> llvm\tools\clang\tools\extra
> llvm\tools\lld
>
> I would be grateful for any hints, thanks!
Can you share how you ran "cmake" and then how you're building?

The mailing list thread you linked to talkes about
"multi-configuration generators", such as MSBuild. Have you tried
building with ninja (https://ninja-build.org/) instead?

Cheers,
Hans

Am 06.03.2017 um 23:25 schrieb Hans Wennborg:
> On Sun, Mar 5, 2017 at 12:45 AM, Stephan Mühlstrasser via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
>> I'm trying to do a build and install on Windows 10 with Visual
Studio 2015
>> Community Edition for the X86 and ARM targets, from the current
release_40
>> branch. While compilation completes without error, the INSTALL target
fails
>> with the following error:
>>
>> 54>  CMake Error at
projects/compiler-rt/lib/builtins/cmake_install.cmake:34
>> (file):
>> 54>    file INSTALL cannot find
>> 54>
>>
"E:/Users/stm/Documents/GIT/llvm-build-4.0/$(Configuration)/lib/clang/4.0.0/lib/windows/clang_rt.builtins-x86_64.lib".
>> 54>  Call Stack (most recent call first):
>> 54>    projects/compiler-rt/lib/cmake_install.cmake:33 (include)
>> 54>    projects/compiler-rt/cmake_install.cmake:33 (include)
>> 54>    projects/cmake_install.cmake:32 (include)
>> 54>    cmake_install.cmake:57 (include)
>>
>> I found a similar issue described in this thread:
>>
>> http://lists.llvm.org/pipermail/llvm-dev/2014-March/070889.html
>>
>> I'm assuming that I made a mistake, as otherwise others would have
the
>> problem too, but it is unclear to me what I could be doing wrong.
I'm
>> building from the Git mirror, with the following repository hierarchy:
>>
>> llvm
>> llvm\projects\compiler-rt
>> llvm\tools\clang
>> llvm\tools\clang\tools\extra
>> llvm\tools\lld
>>
>> I would be grateful for any hints, thanks!
>
> Can you share how you ran "cmake" and then how you're
building?
Sure, this what I did (sorry, long protocol following):

1) Opened a Visual Studio 2015 Native Tools command prompt and launched 
cmake-gui.exe from there.

2) Configured "E:/Users/stm/Documents/GIT/llvm" as the source
directory
and "E:/Users/stm/Documents/GIT/llvm-build-4.0" as the build
directory.

3) Clicked the "Configure" button.

4) Confirmed that the build directory should be created.

5) In the dialog box for the specifying the generator, left the defaults 
"Visual Studio 14 2015 Win64" and "Use default native
compilers",
clicked "Finish". This results in the following report in the output
window:

-----------------------------------------------------------
The C compiler identification is MSVC 19.0.24215.1
The CXX compiler identification is MSVC 19.0.24215.1
The ASM compiler identification is MSVC
Found assembler: C:/Program Files (x86)/Microsoft Visual Studio 
14.0/VC/bin/x86_amd64/cl.exe
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual 
Studio 14.0/VC/bin/x86_amd64/cl.exe
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual 
Studio 14.0/VC/bin/x86_amd64/cl.exe -- works
Detecting C compiler ABI info
Detecting C compiler ABI info - done
Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual 
Studio 14.0/VC/bin/x86_amd64/cl.exe
Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual 
Studio 14.0/VC/bin/x86_amd64/cl.exe -- works
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Detecting CXX compile features
Detecting CXX compile features - done
Warning: Did not find file Compiler/MSVC-ASM
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Performing Test HAVE_INT64_T
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Native target architecture is X86
Threads enabled.
Doxygen disabled.
Sphinx disabled.
Go bindings disabled.
Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
OCaml bindings disabled.
LLVM host triple: x86_64-pc-win32
LLVM default target triple: x86_64-pc-win32
Using Debug VC++ CRT: MDd
Using Release VC++ CRT: MD
Using MinSizeRel VC++ CRT: MD
Using RelWithDebInfo VC++ CRT: MD
Found PythonInterp: C:/Program Files/Python36/python.exe (found version 
"3.6")
Constructing LLVMBuild project information
LLVMHello ignored -- Loadable modules not supported on this platform.
Targeting AArch64
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Configuring done
---------------------------------------------------

6) Changed the following configuration variables to new values:

CMAKE_INSTALL_PREFIX: E:/Users/stm/local/llvm-4.0
LLVM_TARGETS_TO_BUILD: ARM;X86

7) Clicked "Configure" again. This results in the following report in 
the output window:

----------------------------------------------------
Warning: Did not find file Compiler/MSVC-ASM
Native target architecture is X86
Threads enabled.
Doxygen disabled.
Sphinx disabled.
Go bindings disabled.
Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
OCaml bindings disabled.
LLVM host triple: x86_64-pc-win32
LLVM default target triple: x86_64-pc-win32
Using Debug VC++ CRT: MDd
Using Release VC++ CRT: MD
Using MinSizeRel VC++ CRT: MD
Using RelWithDebInfo VC++ CRT: MD
Constructing LLVMBuild project information
LLVMHello ignored -- Loadable modules not supported on this platform.
Targeting ARM
Targeting X86
Compiler-RT supported architectures: x86_64
Builtin supported architectures: x86_64
Clang version: 4.0.0
SampleAnalyzerPlugin ignored -- Loadable modules not supported on this 
platform.
PrintFunctionNames ignored -- Loadable modules not supported on this 
platform.
AnnotateFunctions ignored -- Loadable modules not supported on this 
platform.
LLD version: 4.0.0
BugpointPasses ignored -- Loadable modules not supported on this platform.
Configuring done
----------------------------------------------

8) Now clicked "Generate", which completed successfully.

9) Launched Visual Studio 2015 Community Edition and opened the solution 
"E:\Users\stm\Documents\GIT\llvm-build-4.0\LLVM.sln" generated by 
cmake-gui.exe.

10) In Visual Studio's project explorer, in folder 
"CMakePredefinedTargets" right-clicked the "INSTALL" to
build it. After
successful compilation the installation step itself fails with the 
previously described error message:

286>  CMake Error at 
projects/compiler-rt/lib/builtins/cmake_install.cmake:32 (file):
286>    file INSTALL cannot find
286> 
"E:/Users/stm/Documents/GIT/llvm-build-4.0/$(Configuration)/lib/clang/4.0.0/lib/windows/clang_rt.builtins-x86_64.lib".
286>  Call Stack (most recent call first):
286>    projects/compiler-rt/lib/cmake_install.cmake:33 (include)
286>    projects/compiler-rt/cmake_install.cmake:33 (include)
286>    projects/cmake_install.cmake:32 (include)
286>    cmake_install.cmake:57 (include)
> The mailing list thread you linked to talkes about
> "multi-configuration generators", such as MSBuild. Have you tried
> building with ninja (https://ninja-build.org/) instead?
No, I didn't try yet, I can try that next.
> Cheers,
> Hans
Thank you
--
Stephan

Hans,

Am 06.03.2017 um 23:25 schrieb Hans Wennborg:
> The mailing list thread you linked to talkes about
> "multi-configuration generators", such as MSBuild. Have you tried
> building with ninja (https://ninja-build.org/) instead?
I now tried the ninja build, and that was successful, so I have a 
workaround.

I still would like to know whether I made a mistake with the 
configuration of the Visual Studio build, because I would prefer to 
build from within Visual Studio.

Thanks,
Stephan