From 68dfb535d39fe89679e05800e7a2a8f7499332e2 Mon Sep 17 00:00:00 2001
From: Greg Hogan <code@greghogan.com>
Date: Wed, 20 Jul 2022 15:08:57 +0000
Subject: [PATCH] gnu: Add libomp-12.
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* gnu/packages/llvm.scm (libomp-12): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/llvm.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 4d6747327a..b81b5c0394 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -855,6 +855,27 @@ (define-public clang-12
                       (base32
                        "1r9a4fdz9ci58b5z2inwvm4z4cdp6scrivnaw05dggkxz7yrwrb5")))))
 
+(define-public libomp-12
+  (package
+    (inherit libomp-13)
+    (version (package-version llvm-12))
+    (source (origin
+              (method url-fetch)
+              (uri (llvm-uri "openmp" version))
+              (sha256
+               (base32
+                "14dh0r6h2xh747ffgnsl4z08h0ri04azi9vf79cbz7ma1r27kzk0"))
+              (file-name (string-append "libomp-" version ".tar.xz"))))
+    (arguments
+     '(#:configure-flags '("-DLIBOMP_USE_HWLOC=ON"
+                           "-DOPENMP_TEST_C_COMPILER=clang"
+                           "-DOPENMP_TEST_CXX_COMPILER=clang++")
+       #:test-target "check-libomp"))
+    (native-inputs
+     (modify-inputs (package-native-inputs libomp-13)
+       (replace "clang" clang-12)
+       (replace "llvm" llvm-12)))))
+
 (define-public clang-toolchain-12
   (make-clang-toolchain clang-12))