Add CMake script to find MetaCall library.

Author: viferga

FindMetaCall.cmake

@@ -0,0 +1,73 @@
+#
+#	CMake Find MetaCall library by Parra Studios
+#	CMake script to find and include MetaCall library for development.
+#
+#	Copyright (C) 2016 - 2019 Vicente Eduardo Ferrer Garcia <[email protected]>
+#
+#	Licensed under the Apache License, Version 2.0 (the "License");
+#	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.
+#
+
+# Find MetaCall library and include paths
+#
+# METACALL_FOUND - True if MetaCall library was found
+# METACALL_INCLUDE_DIRS - MetaCall headers path
+# METACALL_LIBRARIES - List of MetaCall libraries
+# METACALL_DEFINITIONS - MetaCall definitions
+
+# Prevent vervosity if already included
+if(METACALL_FOUND)
+	set(METACALL_FIND_QUITELY TRUE)
+endif()
+
+# Optional root directory
+set(METACALL_ROOT_DIR "$ENV{WORKSPACE_ROOT}/metacall")
+
+# Default includes install location
+set(METACALL_INCLUDE_PATHS
+	"${METACALL_ROOT_DIR}"
+	"/usr/local/include"
+)
+
+# MetaCall include path
+find_path(METACALL_INCLUDE_DIR
+	NAMES metacall/metacall.h
+	PATHS ${METACALL_INCLUDE_PATHS}
+	DOC "MetaCall includes"
+)
+
+# Default library install location
+set(METACALL_LIBRARY_PATHS
+	"${METACALL_ROOT_DIR}"
+	"/usr/local/lib"
+)
+
+# MetaCall library path
+find_library(METACALL_LIBRARY
+	NAMES metacall
+	PATHS ${METACALL_LIBRARY_PATHS}
+	DOC "MetaCall library"
+)
+
+# Find package
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(METACALL DEFAULT_MSG METACALL_INCLUDE_DIR METACALL_LIBRARY)
+
+if(METACALL_FOUND)
+	set(METACALL_LIBRARIES ${METACALL_LIBRARY})
+	set(METACALL_INCLUDE_DIRS ${METACALL_INCLUDE_DIR})
+	set(METACALL_DEFINITIONS)
+endif()
+
+# Ignore local variables
+mark_as_advanced(METACALL_INCLUDE_DIRS METACALL_LIBRARIES METACALL_DEFINITIONS)