diff options
Diffstat (limited to 'src/seastar/cmake/Findragel.cmake')
-rw-r--r-- | src/seastar/cmake/Findragel.cmake | 45 |
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 00000000..7bea8735 --- /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) |