[LLVMdev] enabling openmp cmake build in llvm tree

[Jack Howarth]

Just a reminder that this change to completely orthogonal  to the libiomp5
naming issue and there really shouldn't have to be a delay in enabling the
buildiing of the openmp tree from within the llvm tree.

On Tue, May 5, 2015 at 5:01 PM, Jack Howarth <
howarth.mailing.lists at gmail.com> wrote:

> Now that the commit of...
>
> ------------------------------------------------------------------------
> r236534 | achurbanov | 2015-05-05 16:02:52 -0400 (Tue, 05 May 2015) | 13
> lines
>
> Integrate libiomp CMake into LLVM CMake build system.
>
> This patch integrates the libiomp CMake build system into the LLVM CMake
> build
> system so that users can checkout libiomp into the projects directory of
> llvm
> and build llvm,clang, and libiomp all together.  These changes
> specifically
> introduce a new install target which will put libraries and headers into
> the
> correct locations when either a standalone build or part of llvm.
> The copy_recipe() method has been removed in favor of the POST_BUILD
> method
> to move headers into the exports subdirectory.  And lastly, the
> MicroTests.cmake
> file was refactored which led to simpler target dependencies and a new
> target,
> make libiomp-micro-tests, which performs the 5 small tests (test-relo,
> test-touch, etc.) when called.
>
> ..is done,.can we get a commit similar to that proposed in...
>
> http://lists.cs.uiuc.edu/pipermail/openmp-dev/2015-April/000502.html
>
> --- llvm-3.7.0.src/projects/CMakeLists.txt.orig 2015-04-26
> 19:10:12.000000000 -0400
> +++ llvm-3.7.0.src/projects/CMakeLists.txt      2015-04-28
> 21:14:59.000000000 -0400
> @@ -6,6 +6,7 @@
>    if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt)
>      if((NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt) AND
>         (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/dragonegg) AND
> +       (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/openmp) AND
>         (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libcxx) AND
>         (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libcxxabi) AND
>         (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libunwind))
> @@ -26,6 +27,9 @@
>      add_llvm_external_project(libcxx)
>      add_llvm_external_project(libunwind)
>    endif()
> +  if(NOT MSVC)
> +    add_llvm_external_project(openmp)
> +  endif()
>    if(NOT LLVM_BUILD_EXTERNAL_COMPILER_RT)
>      add_llvm_external_project(compiler-rt)
>    endif()
>
> checked into llvm trunk to complete the integration of the openmp build
> into the llvm cmake build? The proposed patch from that message works fine
> with current openmp and llvm svn.
>           Jack
>
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