From d5d415fed11839085a9ec58d8eaf93d58f5d210c Mon Sep 17 00:00:00 2001
From: Andrey Astafyev <dev@246060.ru>
Date: Wed, 30 Jun 2021 12:18:20 +0300
Subject: [PATCH] cgal-widget

---
 FindCgalWidget.cmake           | 45 ++++++++++++++++++++++++++++++++++
 FindCgalWidgetThirdparty.cmake | 39 +++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 FindCgalWidget.cmake
 create mode 100644 FindCgalWidgetThirdparty.cmake

diff --git a/FindCgalWidget.cmake b/FindCgalWidget.cmake
new file mode 100644
index 0000000..06b1bdd
--- /dev/null
+++ b/FindCgalWidget.cmake
@@ -0,0 +1,45 @@
+if(NOT CGAL_WIDGET_IS_EXTERNAL_PROJECT)
+  set(CGAL_WIDGET_PREFIX "" CACHE PATH "The path to the prefix of an cgal-widget installation")
+  set(CGAL_WIDGET_INCLUDE_DIR "" CACHE PATH "The path to the headers of an cgal-widget installation")
+  set(CGAL_WIDGET_LIBRARY_DIR "" CACHE PATH "The path to the library of an cgal-widget installation")
+
+  set(_search_paths "")
+  if(CGAL_WIDGET_INCLUDE_DIR AND EXISTS ${CGAL_WIDGET_INCLUDE_DIR})
+    list(APPEND _search_paths ${CGAL_WIDGET_INCLUDE_DIR})
+  endif()
+  if(CGAL_WIDGET_PREFIX AND EXISTS ${CGAL_WIDGET_PREFIX})
+    list(APPEND _search_paths "${CGAL_WIDGET_PREFIX}/include")
+  endif()
+  find_path(
+    CGAL_WIDGET_INCLUDE_DIRS
+    NAMES cgal-widget/cgal-widget.hpp
+    PATHS ${_search_paths})
+
+  set(_search_paths "")
+  if(CGAL_WIDGET_LIBRARY_DIR AND EXISTS ${CGAL_WIDGET_LIBRARY_DIR})
+    list(APPEND _search_paths ${CGAL_WIDGET_LIBRARY_DIR})
+  endif()
+  if(CGAL_WIDGET_PREFIX AND EXISTS ${CGAL_WIDGET_PREFIX})
+    list(APPEND _search_paths "${CGAL_WIDGET_PREFIX}/lib")
+  endif()
+  find_library(
+    CGAL_WIDGET_LIBRARIES
+    NAMES preprocmath
+    PATHS ${_search_paths})
+  unset(_search_paths)
+
+  if(CGAL_WIDGET_INCLUDE_DIRS AND CGAL_WIDGET_LIBRARIES)
+    set(CGAL_WIDGET_FOUND TRUE)
+  endif()
+
+  if(CGAL_WIDGET_FOUND)
+    if(NOT CGAL_WIDGET_FIND_QUIETLY)
+      message(STATUS "Found cgal-widget")
+    endif()
+    set(HAVE_CGAL_WIDGET 1)
+  elseif(CGAL_WIDGET_FOUND)
+    if(CGAL_WIDGET_FIND_REQUIRED)
+      message(FATAL_ERROR "Could not find cgal-widget")
+    endif()
+  endif()
+endif()
diff --git a/FindCgalWidgetThirdparty.cmake b/FindCgalWidgetThirdparty.cmake
new file mode 100644
index 0000000..3639169
--- /dev/null
+++ b/FindCgalWidgetThirdparty.cmake
@@ -0,0 +1,39 @@
+# Подключение внешних проектов
+include(ExternalProject)
+
+# cmake-format: off
+list(APPEND _ext_project_args
+  cgal-widget
+  SOURCE_DIR          ${CMAKE_SOURCE_DIR}/thirdparty/cgal-widget
+  INSTALL_DIR         ${CMAKE_BINARY_DIR}
+  DOWNLOAD_COMMAND    ""
+  CONFIGURE_COMMAND   ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
+                         -DCMLIB_MAIN_DIR=${CMLIB_MAIN_DIR}
+                         ${CMLIB_EXT_PROJ_DEFAULT_ARGS} <SOURCE_DIR>)
+
+if(CgalWidgetThirdparty_FIND_COMPONENTS STREQUAL "headers")
+  list(APPEND _ext_project_args
+    BUILD_COMMAND     true
+    INSTALL_COMMAND   ${CMAKE_MAKE_PROGRAM} cgal-widget-install-headers)
+endif()
+ExternalProject_Add(${_ext_project_args})
+unset(_ext_project_args)
+
+set(CGAL_WIDGET_IS_EXTERNAL_PROJECT ON CACHE BOOL "" FORCE)
+# cmake-format: on
+
+set(CGAL_WIDGET_PREFIX
+    ${CMAKE_BINARY_DIR}
+    CACHE FILEPATH "" FORCE)
+set(CGAL_WIDGET_INCLUDE_DIR
+    ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}
+    CACHE PATH "" FORCE)
+set(CGAL_WIDGET_INCLUDE_DIRS
+    ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}
+    CACHE PATH "" FORCE)
+set(CGAL_WIDGET_LIBRARY_DIR
+    ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}
+    CACHE PATH "" FORCE)
+set(CGAL_WIDGET_LIBRARIES
+    ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}/libcgal-widget.a
+    CACHE FILEPATH "" FORCE)