[bug#33353] [PATCH] gnu: Add libcxx.

[Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>]

* gnu/packages/llvm.scm (libcxx): New variable.
---
 gnu/packages/llvm.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index a809180e2..848d7fde2 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -231,6 +231,29 @@ project includes the Clang front end, the Clang static analyzer, and several
 code analysis tools.")
     (license license:ncsa)))
 
+(define-public libcxx
+  (package
+    (name "libcxx")
+    (version (package-version llvm))
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://llvm.org/releases/"
+                           version "/libcxx-" version ".src.tar.xz"))
+       (sha256
+        (base32
+         "0rzw4qvxp6qx4l4h9amrq02gp7hbg8lw4m0sy3k60f50234gnm3n"))))
+    (build-system cmake-build-system)
+    (native-inputs
+     `(("clang" ,clang)
+       ("llvm" ,llvm)))
+    (home-page "https://libcxx.llvm.org")
+    (synopsis "C++ standard library")
+    (description
+     "This package provides an implementation of the C++ standard library,
+targeting C++11, C++14 and above.")
+    (license license:expat)))
+
 (define-public clang-runtime
   (clang-runtime-from-llvm
    llvm
-- 
2.19.0