Add utf8proc package (#13144)

var/spack/repos/builtin/packages/utf8proc/package.py

@@ -0,0 +1,18 @@
+# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Utf8proc(CMakePackage):
+    """A clean C library for processing UTF-8 Unicode data:
+    normalization, case-folding, graphemes, and more"""
+
+    homepage = "https://juliastrings.github.io/utf8proc/"
+    url      = "https://github.com/JuliaStrings/utf8proc/archive/v2.4.0.tar.gz"
+
+    version('2.4.0', sha256='b2e5d547c1d94762a6d03a7e05cea46092aab68636460ff8648f1295e2cdfbd7')
+
+    depends_on('cmake@2.8.12:', type='build')