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Thu Jul 30 06:31:47 PDT 2020 · https://lists.llvm.org/pipermail/llvm-dev/2020-July/143900.html

I need some help getting the LLVM build to work. If this is not the right place to ask, please let me know. I set MSE and Malwarebytes so they ignore the build directory tree and don't complain about a.exe. I also ran this CMake disabling both of them, just in case that mattered; it didn't.

Here are the outputs from CMake and the contents of CMakeError.log. Any help would be appreciated.

Note: When I run a.exe by itself, the return status is 390.

---------------------------------
CMake Warning (dev) in CMakeLists.txt:
  No project() command is present.  The top-level CMakeLists.txt file must
  contain a literal, direct call to the project() command.  Add a line of
  code such as

    project(ProjectName)

  near the top of the file, but after cmake_minimum_required().

  CMake is pretending there is a "project(Project)" command on the first
  line.
This warning is for project developers.  Use -Wno-dev to suppress it.

-- The C compiler identification is GNU 9.2.0
-- The CXX compiler identification is GNU 9.2.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/MinGW/bin/gcc.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/MinGW/bin/c++.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at CMakeLists.txt:106 (include):
  include could not find load file:

    AddSphinxTarget

CMake Warning (dev) in CMakeLists.txt:
  No cmake_minimum_required command is present.  A line of code such as

    cmake_minimum_required(VERSION 3.18)

  should be added at the top of the file.  The version specified may be lower
  if you wish to support older CMake versions for this project.  For more
  information run "cmake --help-policy CMP0000".
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Configuring incomplete, errors occurred!
See also "C:/LLVM/Build/CMakeFiles/CMakeOutput.log".
See also "C:/LLVM/Build/CMakeFiles/CMakeError.log".
--------------------------------------
The C compiler identification could not be found in "C:/LLVM/Build/CMakeFiles/3.18.0/CompilerIdC/a.exe"
---------------------------------------

In spite of that error, here is what appears in the CMake cache:

------------------------------------
//C compiler
CMAKE_C_COMPILER:FILEPATH=C:/MinGW/bin/gcc.exe

//A wrapper around 'ar' adding the appropriate '--plugin' option
// for the GCC compiler
CMAKE_C_COMPILER_AR:FILEPATH=C:/MinGW/bin/gcc-ar.exe

//A wrapper around 'ranlib' adding the appropriate '--plugin' option
// for the GCC compiler
CMAKE_C_COMPILER_RANLIB:FILEPATH=C:/MinGW/bin/gcc-ranlib.exe

//Flags used by the C compiler during all build types.
CMAKE_C_FLAGS:STRING=

//Flags used by the C compiler during DEBUG builds.
CMAKE_C_FLAGS_DEBUG:STRING=-g

//Flags used by the C compiler during MINSIZEREL builds.
CMAKE_C_FLAGS_MINSIZEREL:STRING=-Os -DNDEBUG

//Flags used by the C compiler during RELEASE builds.
CMAKE_C_FLAGS_RELEASE:STRING=-O3 -DNDEBUG

//Flags used by the C compiler during RELWITHDEBINFO builds.
CMAKE_C_FLAGS_RELWITHDEBINFO:STRING=-O2 -g -DNDEBUG
------------------------------------ 

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[llvm-dev] Help with build