Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/src/seastar/cmake/Findragel.cmake b/src/seastar/cmake/Findragel.cmake
new file mode 100644
index 000000000..7bea8735b
--- /dev/null
+++ b/src/seastar/cmake/Findragel.cmake
@@ -0,0 +1,45 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+find_program (
+  ragel_RAGEL_EXECUTABLE
+  ragel)
+
+mark_as_advanced (ragel_RAGEL_EXECUTABLE)
+
+set (_ragel_version_pattern "[0-9]+\\.[0-9]+\\.[0-9]+(\\.[0-9]+)?")
+
+if (ragel_RAGEL_EXECUTABLE)
+  set (ragel_FOUND ON)
+
+  exec_program (${ragel_RAGEL_EXECUTABLE}
+    ARGS -v
+    OUTPUT_VARIABLE _ragel_version_output)
+
+  if (${_ragel_version_output} MATCHES "version (${_ragel_version_pattern})")
+    set (ragel_VERSION ${CMAKE_MATCH_1})
+  endif ()
+endif ()
+
+find_package_handle_standard_args (ragel
+  REQUIRED_VARS ragel_RAGEL_EXECUTABLE
+  VERSION_VAR ragel_VERSION)