1 files changed, 99 insertions, 0 deletions
diff --git a/cmake/modules/Findutf8proc.cmake b/cmake/modules/Findutf8proc.cmake
new file mode 100644
index 000000000..2d390ba99
--- /dev/null
+++ b/cmake/modules/Findutf8proc.cmake
@@ -0,0 +1,99 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+# note: cbodley copied this from the Arrow repo and removed ARROW variables
+
+function(extract_utf8proc_version)
+  if(utf8proc_INCLUDE_DIR)
+    file(READ "${utf8proc_INCLUDE_DIR}/utf8proc.h" UTF8PROC_H_CONTENT)
+
+    string(REGEX MATCH "#define UTF8PROC_VERSION_MAJOR [0-9]+"
+                 UTF8PROC_MAJOR_VERSION_DEFINITION "${UTF8PROC_H_CONTENT}")
+    string(REGEX MATCH "#define UTF8PROC_VERSION_MINOR [0-9]+"
+                 UTF8PROC_MINOR_VERSION_DEFINITION "${UTF8PROC_H_CONTENT}")
+    string(REGEX MATCH "#define UTF8PROC_VERSION_PATCH [0-9]+"
+                 UTF8PROC_PATCH_VERSION_DEFINITION "${UTF8PROC_H_CONTENT}")
+
+    string(REGEX MATCH "[0-9]+$" UTF8PROC_MAJOR_VERSION
+                 "${UTF8PROC_MAJOR_VERSION_DEFINITION}")
+    string(REGEX MATCH "[0-9]+$" UTF8PROC_MINOR_VERSION
+                 "${UTF8PROC_MINOR_VERSION_DEFINITION}")
+    string(REGEX MATCH "[0-9]+$" UTF8PROC_PATCH_VERSION
+                 "${UTF8PROC_PATCH_VERSION_DEFINITION}")
+    set(utf8proc_VERSION
+        "${UTF8PROC_MAJOR_VERSION}.${UTF8PROC_MINOR_VERSION}.${UTF8PROC_PATCH_VERSION}"
+        PARENT_SCOPE)
+  else()
+    set(utf8proc_VERSION
+        ""
+        PARENT_SCOPE)
+  endif()
+endfunction(extract_utf8proc_version)
+
+if(NOT utf8proc_USE_STATIC_LIB)
+  set(utf8proc_LIB_NAMES)
+  if(CMAKE_IMPORT_LIBRARY_SUFFIX)
+    list(APPEND utf8proc_LIB_NAMES
+         "${CMAKE_IMPORT_LIBRARY_PREFIX}utf8proc${CMAKE_IMPORT_LIBRARY_SUFFIX}")
+  endif()
+  list(APPEND utf8proc_LIB_NAMES
+       "${CMAKE_SHARED_LIBRARY_PREFIX}utf8proc${CMAKE_SHARED_LIBRARY_SUFFIX}")
+else()
+  if(MSVC AND NOT DEFINED utf8proc_MSVC_STATIC_LIB_SUFFIX)
+    set(utf8proc_MSVC_STATIC_LIB_SUFFIX "_static")
+  endif()
+  set(utf8proc_STATIC_LIB_SUFFIX
+      "${utf8proc_MSVC_STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}")
+  set(utf8proc_LIB_NAMES
+      "${CMAKE_STATIC_LIBRARY_PREFIX}utf8proc${utf8proc_STATIC_LIB_SUFFIX}")
+endif()
+
+if(utf8proc_ROOT)
+  find_library(utf8proc_LIB
+               NAMES ${utf8proc_LIB_NAMES}
+               PATHS ${utf8proc_ROOT}
+               PATH_SUFFIXES lib lib64
+               NO_DEFAULT_PATH)
+  find_path(utf8proc_INCLUDE_DIR
+            NAMES utf8proc.h
+            PATHS ${utf8proc_ROOT}
+            NO_DEFAULT_PATH
+            PATH_SUFFIXES include)
+  extract_utf8proc_version()
+else()
+  find_library(utf8proc_LIB
+               NAMES ${utf8proc_LIB_NAMES}
+               PATH_SUFFIXES lib lib64)
+  find_path(utf8proc_INCLUDE_DIR
+            NAMES utf8proc.h
+            PATH_SUFFIXES include)
+  extract_utf8proc_version()
+endif()
+
+find_package_handle_standard_args(
+  utf8proc
+  REQUIRED_VARS utf8proc_LIB utf8proc_INCLUDE_DIR
+  VERSION_VAR utf8proc_VERSION)
+
+if(utf8proc_FOUND)
+  set(utf8proc_FOUND TRUE)
+  add_library(utf8proc::utf8proc UNKNOWN IMPORTED)
+  set_target_properties(utf8proc::utf8proc
+                        PROPERTIES IMPORTED_LOCATION "${utf8proc_LIB}"
+                                   INTERFACE_INCLUDE_DIRECTORIES
+                                   "${utf8proc_INCLUDE_DIR}")
+endif()