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Siegmar Gross via llvm-dev

2018-Feb-15 14:45 UTC

[llvm-dev] llvm-6.0.0rc2: fatal error: clang/Basic/Version.h: No such file or directory

Hi,

today I've tried to build llvm-6.0.0rc2 using Cmake on my "SUSE Linux
Enterprise Server 12.3 (x86_64)" with the following commands (gcc-6.4.0
is necessary for CUDA-9.0).


wget http://prereleases.llvm.org/6.0.0/rc2/llvm-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/cfe-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/clang-tools-extra-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/compiler-rt-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/lldb-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/lld-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/polly-6.0.0rc2.src.tar.xz
wget http://prereleases.llvm.org/6.0.0/rc2/openmp-6.0.0rc2.src.tar.xz


tar xf llvm-6.0.0rc2.src.tar.xz
cd llvm-6.0.0rc2.src/tools
tar xf ../../cfe-6.0.0rc2.src.tar.xz
tar xf ../../polly-6.0.0rc2.src.tar.xz
tar xf ../../lldb-6.0.0rc2.src.tar.xz
tar xf ../../lld-6.0.0rc2.src.tar.xz
cd cfe-6.0.0rc2.src/tools
tar xf ../../../../clang-tools-extra-6.0.0rc2.src.tar.xz
cd ../../../projects
tar xf ../../compiler-rt-6.0.0rc2.src.tar.xz
tar xf ../../openmp-6.0.0rc2.src.tar.xz
cd ../..


rm -r build
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr/local/llvm-6.0.0\
   -GNinja \
   -DLLVM_TARGETS_TO_BUILD:STRING="NVPTX;X86" \
   -DCMAKE_BUILD_TYPE:STRING="Release" \
   -DLLVM_PARALLEL_COMPILE_JOBS:STRING="4" \
   -DLLVM_PARALLEL_LINK_JOBS:STRING="4" \
   -DCMAKE_C_COMPILER:STRING="/usr/local/gcc-6.4.0/bin/gcc" \
   -DCMAKE_C_FLAGS:STRING="-m64 -I/usr/local/valgrind/include" \
   -DCMAKE_CXX_COMPILER:STRING="/usr/local/gcc-6.4.0/bin/g++" \
   -DCMAKE_CXX_FLAGS:STRING="-m64 -I/usr/local/valgrind/include" \
   -DCMAKE_EXE_LINKER_FLAGS:STRING="-m64" \
   -DLLVM_LIBDIR_SUFFIX:STRING="64" \
   -DLLVM_POLLY_LINK_INTO_TOOLS:BOOL=ON \
 
-DLIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR:STRING="/usr/local/elfutils-0.169/include"
\
 
-DLIBOMPTARGET_DEP_LIBELF_LIBRARIES:STRING="/usr/local/elfutils-0.169/lib64/libelf.so"
\
   -DLIBOMPTARGET_DEP_LIBFFI_INCLUDE_DIR:STRING="/usr/include" \
   -DLIBOMPTARGET_DEP_LIBFFI_LIBRARIES:STRING="/usr/lib64/libffi.so" \
   -DCUDA_INCLUDE_DIRS:STRING="/usr/local/cuda/include" \
   -DCUDA_LIBRARIES:STRING="/usr/local/cuda/lib64/libcudart.so" \
   -DBUILD_SHARED_LIBS:BOOL=ON \
   ../llvm-6.0.0rc2.src \
   |& tee log.cmake

ninja |& tee log.ninja-build


Unfortunately, I get the following error, although the missing file is
available.

loki build 188 tail -12 log.ninja-build
[3186/4317] Building CXX object 
tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/WasmDump.cpp.o
[3187/4317] Building CXX object 
tools/lldb-6.0.0rc2.src/source/CMakeFiles/lldbBase.dir/lldb.cpp.o
FAILED: tools/lldb-6.0.0rc2.src/source/CMakeFiles/lldbBase.dir/lldb.cpp.o
/usr/local/gcc-6.4.0/bin/g++   -DGTEST_HAS_RTTI=0 -DHAVE_ROUND -DLIBXML2_DEFINED
-DLLDB_CONFIGURATION_RELEASE -DLLDB_USE_BUILTIN_DEMANGLER -D_GNU_SOURCE 
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS 
-Itools/lldb-6.0.0rc2.src/source 
-I/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lldb-6.0.0rc2.src/source 
-Itools/lldb-6.0.0rc2.src/include 
-I/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lldb-6.0.0rc2.src/include 
-I/usr/include/libxml2 -Iinclude 
-I/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/include -I/usr/include/python2.7 
-I/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/clang/include 
-Itools/lldb-6.0.0rc2.src/../clang/include 
-I/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lldb-6.0.0rc2.src/source/. 
-m64 -I/usr/local/valgrind/include -fPIC -fvisibility-inlines-hidden 
-Werror=date-time -std=c++11 -Wall -W -Wno-unused-parameter -Wwrite-strings 
-Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long 
-Wno-maybe-uninitialized -Wdelete-non-virtual-dtor -Wno-comment 
-ffunction-sections -fdata-sections -Wno-deprecated-declarations 
-Wno-unknown-pragmas -Wno-strict-aliasing -Wno-deprecated-register 
-Wno-vla-extension -O3 -DNDEBUG    -fno-exceptions -fno-rtti -MMD -MT 
tools/lldb-6.0.0rc2.src/source/CMakeFiles/lldbBase.dir/lldb.cpp.o -MF 
tools/lldb-6.0.0rc2.src/source/CMakeFiles/lldbBase.dir/lldb.cpp.o.d -o 
tools/lldb-6.0.0rc2.src/source/CMakeFiles/lldbBase.dir/lldb.cpp.o -c 
/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lldb-6.0.0rc2.src/source/lldb.cpp
/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lldb-6.0.0rc2.src/source/lldb.cpp:15:33:
fatal error: clang/Basic/Version.h: No such file or directory
  #include "clang/Basic/Version.h"
                                  ^
compilation terminated.
[3188/4317] Building CXX object 
tools/llvm-cfi-verify/lib/CMakeFiles/LLVMCFIVerify.dir/GraphBuilder.cpp.o
[3189/4317] Building CXX object 
tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/llvm-objdump.cpp.o
[3190/4317] Building CXX object 
tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/MachODump.cpp.o
ninja: build stopped: subcommand failed.
loki build 189
loki build 189 find /export2/src/llvm-6.0.0/llvm-6.0.0rc2.src -name Version.h
/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/cfe-6.0.0rc2.src/include/clang/Basic/Version.h
/export2/src/llvm-6.0.0/llvm-6.0.0rc2.src/tools/lld-6.0.0rc2.src/include/lld/Common/Version.h
loki build 190


Is it necessary to unpack the archives in different directories or to set
some environment variables or symbolic links so that Version.h will be found?
Thank you very much for any help in advance.


Kind regards

Siegmar

Dimitry Andric via llvm-dev

2018-Feb-15 19:02 UTC

head link

[llvm-dev] llvm-6.0.0rc2: fatal error: clang/Basic/Version.h: No such file or directory

On 15 Feb 2018, at 15:45, Siegmar Gross via llvm-dev <llvm-dev at
lists.llvm.org> wrote:> 
> today I've tried to build llvm-6.0.0rc2 using Cmake on my "SUSE
Linux
> Enterprise Server 12.3 (x86_64)" with the following commands
(gcc-6.4.0
> is necessary for CUDA-9.0).
> 
> 
> wget http://prereleases.llvm.org/6.0.0/rc2/llvm-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/cfe-6.0.0rc2.src.tar.xz
> wget
http://prereleases.llvm.org/6.0.0/rc2/clang-tools-extra-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/compiler-rt-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/lldb-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/lld-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/polly-6.0.0rc2.src.tar.xz
> wget http://prereleases.llvm.org/6.0.0/rc2/openmp-6.0.0rc2.src.tar.xz
> 
> 
> tar xf llvm-6.0.0rc2.src.tar.xz
> cd llvm-6.0.0rc2.src/tools
> tar xf ../../cfe-6.0.0rc2.src.tar.xz
> tar xf ../../polly-6.0.0rc2.src.tar.xz
> tar xf ../../lldb-6.0.0rc2.src.tar.xz
> tar xf ../../lld-6.0.0rc2.src.tar.xz
> cd cfe-6.0.0rc2.src/tools
> tar xf ../../../../clang-tools-extra-6.0.0rc2.src.tar.xz
> cd ../../../projects
> tar xf ../../compiler-rt-6.0.0rc2.src.tar.xz
> tar xf ../../openmp-6.0.0rc2.src.tar.xz
> cd ../..
After this, the directory names will not be correct, unfortunately.  You'll
need to do this instead:

tar xf llvm-6.0.0rc2.src.tar.xz
tar xf cfe-6.0.0rc2.src.tar.xz
tar xf polly-6.0.0rc2.src.tar.xz
tar xf lldb-6.0.0rc2.src.tar.xz
tar xf lld-6.0.0rc2.src.tar.xz
tar xf clang-tools-extra-6.0.0rc2.src.tar.xz
tar xf compiler-rt-6.0.0rc2.src.tar.xz
tar xf openmp-6.0.0rc2.src.tar.xz

mv cfe-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/clang
mv polly-6.0.0rc2.src                   llvm-6.0.0rc2.src/tools/polly
mv lldb-6.0.0rc2.src                    llvm-6.0.0rc2.src/tools/lldb
mv lld-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/lld
mv clang-tools-extra-6.0.0rc2.src      
llvm-6.0.0rc2.src/tools/clang/tools/extra
mv compiler-rt-6.0.0rc2.src             llvm-6.0.0rc2.src/projects/compiler-rt
mv openmp-6.0.0rc2.src                  llvm-6.0.0rc2.src/projects/openmp

I think it might be better to distribute the source tarballs all rooted at
llvm-6.0.0rc2, with the correct subpaths already embedded.  Hans, what are your
thoughts about that?

Hopefully this will become moot at some point, if the monorepo ever gets off the
ground...

-Dimitry

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Andrew Kelley via llvm-dev

2018-Feb-15 19:35 UTC

head link

[llvm-dev] llvm-6.0.0rc2: fatal error: clang/Basic/Version.h: No such file or directory

What is the purpose of supporting this "copy directories around" sort
of build strategy anyway?

At the end of the day, the way these packages get installed is via
system package managers is independently, each project finding its
dependencies with the standard prefix path.

When I compile from source it's always like this:

$ cd llvm-6.0.0rc2.src/
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/local
-DCMAKE_PREFIX_PATH=$HOME/local -DCMAKE_BUILD_TYPE=Release
$ make install

$ cd cfe-6.0.0rc2.src/
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/local
-DCMAKE_PREFIX_PATH=$HOME/local -DCMAKE_BUILD_TYPE=Release
$ make install

$ cd lld-6.0.0rc2.src/
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/local
-DCMAKE_PREFIX_PATH=$HOME/local -DCMAKE_BUILD_TYPE=Release
$ make install


etc

This is how stuff gets installed on Debian, Ubuntu, NixOS, Arch,
Gentoo, etc. And it works for Windows too:
> mkdir C:\Users\Andy\llvm-6.0.0rc2.src\build-release
> cd C:\Users\Andy\llvm-6.0.0rc2.src\build-release
> "c:\Program Files\CMake\bin\cmake.exe" .. -Thost=x64
-G"Visual Studio 14 2015 Win64"
-DCMAKE_INSTALL_PREFIX=C:\Users\Andy\llvm+clang-6.0.0rc2-win64-msvc-release
-DCMAKE_PREFIX_PATH=C:\Users\Andy\llvm+clang-6.0.0rc2-win64-msvc-release
-DCMAKE_BUILD_TYPE=Release
> msbuild -p:Configuration=Release INSTALL.vcxproj

What are our use cases for the strategy where we move directories into
llvm to build?



On Thu, Feb 15, 2018 at 2:02 PM, Dimitry Andric via llvm-dev
<llvm-dev at lists.llvm.org> wrote:> On 15 Feb 2018, at 15:45, Siegmar Gross via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
>>
>> today I've tried to build llvm-6.0.0rc2 using Cmake on my
"SUSE Linux
>> Enterprise Server 12.3 (x86_64)" with the following commands
(gcc-6.4.0
>> is necessary for CUDA-9.0).
>>
>>
>> wget http://prereleases.llvm.org/6.0.0/rc2/llvm-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/cfe-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/clang-tools-extra-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/compiler-rt-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lldb-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lld-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/polly-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/openmp-6.0.0rc2.src.tar.xz
>>
>>
>> tar xf llvm-6.0.0rc2.src.tar.xz
>> cd llvm-6.0.0rc2.src/tools
>> tar xf ../../cfe-6.0.0rc2.src.tar.xz
>> tar xf ../../polly-6.0.0rc2.src.tar.xz
>> tar xf ../../lldb-6.0.0rc2.src.tar.xz
>> tar xf ../../lld-6.0.0rc2.src.tar.xz
>> cd cfe-6.0.0rc2.src/tools
>> tar xf ../../../../clang-tools-extra-6.0.0rc2.src.tar.xz
>> cd ../../../projects
>> tar xf ../../compiler-rt-6.0.0rc2.src.tar.xz
>> tar xf ../../openmp-6.0.0rc2.src.tar.xz
>> cd ../..
>
> After this, the directory names will not be correct, unfortunately. 
You'll need to do this instead:
>
> tar xf llvm-6.0.0rc2.src.tar.xz
> tar xf cfe-6.0.0rc2.src.tar.xz
> tar xf polly-6.0.0rc2.src.tar.xz
> tar xf lldb-6.0.0rc2.src.tar.xz
> tar xf lld-6.0.0rc2.src.tar.xz
> tar xf clang-tools-extra-6.0.0rc2.src.tar.xz
> tar xf compiler-rt-6.0.0rc2.src.tar.xz
> tar xf openmp-6.0.0rc2.src.tar.xz
>
> mv cfe-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/clang
> mv polly-6.0.0rc2.src                   llvm-6.0.0rc2.src/tools/polly
> mv lldb-6.0.0rc2.src                    llvm-6.0.0rc2.src/tools/lldb
> mv lld-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/lld
> mv clang-tools-extra-6.0.0rc2.src      
llvm-6.0.0rc2.src/tools/clang/tools/extra
> mv compiler-rt-6.0.0rc2.src            
llvm-6.0.0rc2.src/projects/compiler-rt
> mv openmp-6.0.0rc2.src                  llvm-6.0.0rc2.src/projects/openmp
>
> I think it might be better to distribute the source tarballs all rooted at
llvm-6.0.0rc2, with the correct subpaths already embedded.  Hans, what are your
thoughts about that?
>
> Hopefully this will become moot at some point, if the monorepo ever gets
off the ground...
>
> -Dimitry
>
>
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>

Siegmar Gross via llvm-dev

2018-Feb-16 10:35 UTC

head link

[llvm-dev] llvm-6.0.0rc2: fatal error: clang/Basic/Version.h: No such file or directory

Hi Dimitry,

thank you very much for your help. I was able to build everything, after
renaming the directories and adding "-I/usr/include/ncurses" to
CMAKE_C_FLAGS and CMAKE_CXX_FLAGS. "panel.h" wasn't found without
that
directory as you can see below.

[3627/4660] Building CXX object 
tools/lldb/source/Core/CMakeFiles/lldbCore.dir/IOHandler.cpp.o
FAILED: tools/lldb/source/Core/CMakeFiles/lldbCore.dir/IOHandler.cpp.o
/usr/local/gcc-6.4.0/bin/g++   -DGTEST_HAS_RTTI=0 -DHAVE_ROUND -DLIBXML2_DEFINED
-DLLDB_CONFIGURATION_RELEASE -DLLDB_USE_BUILTIN_DEMANGLER -D_GNU_SOURCE 
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS 
-Itools/lldb/source/Core -I/export2/src/llvm-6.0.0/llvm/tools/lldb/source/Core 
-Itools/lldb/include -I/export2/src/llvm-6.0.0/llvm/tools/lldb/include 
-I/usr/include/libxml2 -Iinclude -I/export2/src/llvm-6.0.0/llvm/include 
-I/usr/include/python2.7 -I/export2/src/llvm-6.0.0/llvm/tools/clang/include 
-Itools/lldb/../clang/include -I/export2/src/llvm-6.0.0/llvm/tools/lldb/source/.
-m64 -I/usr/local/valgrind/include -fPIC -fvisibility-inlines-hidden 
-Werror=date-time -std=c++11 -Wall -W -Wno-unused-parameter -Wwrite-strings 
-Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long 
-Wno-maybe-uninitialized -Wdelete-non-virtual-dtor -Wno-comment 
-ffunction-sections -fdata-sections -Wno-deprecated-declarations 
-Wno-unknown-pragmas -Wno-strict-aliasing -Wno-deprecated-register 
-Wno-vla-extension -O3 -DNDEBUG    -fno-exceptions -fno-rtti -MMD -MT 
tools/lldb/source/Core/CMakeFiles/lldbCore.dir/IOHandler.cpp.o -MF 
tools/lldb/source/Core/CMakeFiles/lldbCore.dir/IOHandler.cpp.o.d -o 
tools/lldb/source/Core/CMakeFiles/lldbCore.dir/IOHandler.cpp.o -c 
/export2/src/llvm-6.0.0/llvm/tools/lldb/source/Core/IOHandler.cpp
/export2/src/llvm-6.0.0/llvm/tools/lldb/source/Core/IOHandler.cpp:15:19: fatal 
error: panel.h: No such file or directory
  #include <panel.h>
                    ^
compilation terminated.


Kind regards

Siegmar



On 02/15/18 20:02, Dimitry Andric wrote:> On 15 Feb 2018, at 15:45, Siegmar Gross via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
>>
>> today I've tried to build llvm-6.0.0rc2 using Cmake on my
"SUSE Linux
>> Enterprise Server 12.3 (x86_64)" with the following commands
(gcc-6.4.0
>> is necessary for CUDA-9.0).
>>
>>
>> wget http://prereleases.llvm.org/6.0.0/rc2/llvm-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/cfe-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/clang-tools-extra-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/compiler-rt-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lldb-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lld-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/polly-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/openmp-6.0.0rc2.src.tar.xz
>>
>>
>> tar xf llvm-6.0.0rc2.src.tar.xz
>> cd llvm-6.0.0rc2.src/tools
>> tar xf ../../cfe-6.0.0rc2.src.tar.xz
>> tar xf ../../polly-6.0.0rc2.src.tar.xz
>> tar xf ../../lldb-6.0.0rc2.src.tar.xz
>> tar xf ../../lld-6.0.0rc2.src.tar.xz
>> cd cfe-6.0.0rc2.src/tools
>> tar xf ../../../../clang-tools-extra-6.0.0rc2.src.tar.xz
>> cd ../../../projects
>> tar xf ../../compiler-rt-6.0.0rc2.src.tar.xz
>> tar xf ../../openmp-6.0.0rc2.src.tar.xz
>> cd ../..
> 
> After this, the directory names will not be correct, unfortunately. 
You'll need to do this instead:
> 
> tar xf llvm-6.0.0rc2.src.tar.xz
> tar xf cfe-6.0.0rc2.src.tar.xz
> tar xf polly-6.0.0rc2.src.tar.xz
> tar xf lldb-6.0.0rc2.src.tar.xz
> tar xf lld-6.0.0rc2.src.tar.xz
> tar xf clang-tools-extra-6.0.0rc2.src.tar.xz
> tar xf compiler-rt-6.0.0rc2.src.tar.xz
> tar xf openmp-6.0.0rc2.src.tar.xz
> 
> mv cfe-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/clang
> mv polly-6.0.0rc2.src                   llvm-6.0.0rc2.src/tools/polly
> mv lldb-6.0.0rc2.src                    llvm-6.0.0rc2.src/tools/lldb
> mv lld-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/lld
> mv clang-tools-extra-6.0.0rc2.src      
llvm-6.0.0rc2.src/tools/clang/tools/extra
> mv compiler-rt-6.0.0rc2.src            
llvm-6.0.0rc2.src/projects/compiler-rt
> mv openmp-6.0.0rc2.src                  llvm-6.0.0rc2.src/projects/openmp
> 
> I think it might be better to distribute the source tarballs all rooted at
llvm-6.0.0rc2, with the correct subpaths already embedded.  Hans, what are your
thoughts about that?
> 
> Hopefully this will become moot at some point, if the monorepo ever gets
off the ground...
> 
> -Dimitry

Hans Wennborg via llvm-dev

2018-Feb-16 10:48 UTC

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[llvm-dev] llvm-6.0.0rc2: fatal error: clang/Basic/Version.h: No such file or directory

On Thu, Feb 15, 2018 at 8:02 PM, Dimitry Andric <dimitry at andric.com>
wrote:> On 15 Feb 2018, at 15:45, Siegmar Gross via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
>>
>> today I've tried to build llvm-6.0.0rc2 using Cmake on my
"SUSE Linux
>> Enterprise Server 12.3 (x86_64)" with the following commands
(gcc-6.4.0
>> is necessary for CUDA-9.0).
>>
>>
>> wget http://prereleases.llvm.org/6.0.0/rc2/llvm-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/cfe-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/clang-tools-extra-6.0.0rc2.src.tar.xz
>> wget
http://prereleases.llvm.org/6.0.0/rc2/compiler-rt-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lldb-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/lld-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/polly-6.0.0rc2.src.tar.xz
>> wget http://prereleases.llvm.org/6.0.0/rc2/openmp-6.0.0rc2.src.tar.xz
>>
>>
>> tar xf llvm-6.0.0rc2.src.tar.xz
>> cd llvm-6.0.0rc2.src/tools
>> tar xf ../../cfe-6.0.0rc2.src.tar.xz
>> tar xf ../../polly-6.0.0rc2.src.tar.xz
>> tar xf ../../lldb-6.0.0rc2.src.tar.xz
>> tar xf ../../lld-6.0.0rc2.src.tar.xz
>> cd cfe-6.0.0rc2.src/tools
>> tar xf ../../../../clang-tools-extra-6.0.0rc2.src.tar.xz
>> cd ../../../projects
>> tar xf ../../compiler-rt-6.0.0rc2.src.tar.xz
>> tar xf ../../openmp-6.0.0rc2.src.tar.xz
>> cd ../..
>
> After this, the directory names will not be correct, unfortunately. 
You'll need to do this instead:
>
> tar xf llvm-6.0.0rc2.src.tar.xz
> tar xf cfe-6.0.0rc2.src.tar.xz
> tar xf polly-6.0.0rc2.src.tar.xz
> tar xf lldb-6.0.0rc2.src.tar.xz
> tar xf lld-6.0.0rc2.src.tar.xz
> tar xf clang-tools-extra-6.0.0rc2.src.tar.xz
> tar xf compiler-rt-6.0.0rc2.src.tar.xz
> tar xf openmp-6.0.0rc2.src.tar.xz
>
> mv cfe-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/clang
> mv polly-6.0.0rc2.src                   llvm-6.0.0rc2.src/tools/polly
> mv lldb-6.0.0rc2.src                    llvm-6.0.0rc2.src/tools/lldb
> mv lld-6.0.0rc2.src                     llvm-6.0.0rc2.src/tools/lld
> mv clang-tools-extra-6.0.0rc2.src      
llvm-6.0.0rc2.src/tools/clang/tools/extra
> mv compiler-rt-6.0.0rc2.src            
llvm-6.0.0rc2.src/projects/compiler-rt
> mv openmp-6.0.0rc2.src                  llvm-6.0.0rc2.src/projects/openmp
>
> I think it might be better to distribute the source tarballs all rooted at
llvm-6.0.0rc2, with the correct subpaths already embedded.  Hans, what are your
thoughts about that?
I'm not sure. I agree the current situation is impractical, but some
folks like to build the packages in separate locations rather than
under tools/ or projects/ so I'm not sure embedding those sub-paths is
a good idea.
> Hopefully this will become moot at some point, if the monorepo ever gets
off the ground...
Fingers crossed :-)

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