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05/07: gnu: Add libomp.


From: guix-commits
Subject: 05/07: gnu: Add libomp.
Date: Tue, 16 Apr 2019 11:33:16 -0400 (EDT)

civodul pushed a commit to branch master
in repository guix.

commit 698e91f0d09a7efb96ab0b7095d8c32868b4cdde
Author: Ludovic Court├Ęs <address@hidden>
Date:   Tue Apr 16 17:07:15 2019 +0200

    gnu: Add libomp.
    
    * gnu/packages/llvm.scm (libomp): New variable.
---
 gnu/packages/llvm.scm | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 3d46b02..53884da 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -40,7 +40,9 @@
   #:use-module (gnu packages bootstrap)           ;glibc-dynamic-linker
   #:use-module (gnu packages compression)
   #:use-module (gnu packages libffi)
+  #:use-module (gnu packages mpi)
   #:use-module (gnu packages perl)
+  #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages xml))
 
@@ -282,6 +284,43 @@ code analysis tools.")
 use with Clang, targeting C++11, C++14 and above.")
     (license license:expat)))
 
+(define-public libomp
+  (package
+    (name "libomp")
+    (version (package-version llvm))
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://releases.llvm.org/";
+                                  version  "/openmp-" version
+                                  ".src.tar.xz"))
+              (sha256
+               (base32
+                "030dkg5cypd7j9hq0mcqb5gs31lxwmzfq52j81l7v9ldcy5bf5mz"))
+              (file-name (string-append "libomp-" version ".tar.xz"))))
+    (build-system cmake-build-system)
+    ;; XXX: Note this gets built with GCC because building with Clang itself
+    ;; fails (missing <atomic>, even when libcxx is added as an input.)
+    (arguments
+     '(#:configure-flags '("-DLIBOMP_USE_HWLOC=ON"
+                           "-DOPENMP_TEST_C_COMPILER=clang"
+                           "-DOPENMP_TEST_CXX_COMPILER=clang++")
+       #:test-target "check-libomptarget"))
+    (native-inputs
+     `(("clang" ,clang)
+       ("llvm" ,llvm)
+       ("perl" ,perl)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("hwloc" ,hwloc "lib")))
+    (home-page "https://openmp.llvm.org";)
+    (synopsis "OpenMP run-time support library")
+    (description
+     "This package provides the run-time support library developed by the LLVM
+project for the OpenMP multi-theaded programming extension.  This package
+notably provides @file{libgomp.so}, which is has a binary interface compatible
+with that of libgomp, the GNU Offloading and Multi Processing Library.")
+    (license license:expat)))
+
 (define-public clang-runtime
   (clang-runtime-from-llvm
    llvm



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