From 91b41a729717af299291be4b43fa86b20654a616 Mon Sep 17 00:00:00 2001
From: Pascal Thomet <pthomet@gmail.com>
Date: Fri, 30 Nov 2018 09:29:32 +0100
Subject: [PATCH] Initial scaffolding for Hunter package support.

---
 CMakeLists.txt                         | 10 ++++++
 package/hunter/HunterAddPackages.cmake | 36 ++++++++++++++++++++
 package/hunter/HunterInit.cmake        | 46 ++++++++++++++++++++++++++
 3 files changed, 92 insertions(+)
 create mode 100644 package/hunter/HunterAddPackages.cmake
 create mode 100644 package/hunter/HunterInit.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87c556e40..6ebbd468a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,8 +49,18 @@ endif()
 if(NOT CMAKE_VERSION VERSION_LESS 3.4.0 AND NOT CMAKE_SYSTEM_NAME STREQUAL "Android")
     set(LANG CXX)
 endif()
+
+option(HUNTER_ENABLED "Get dependencies (Corrade, GLFW, SDL2, ...) via Hunter" OFF)
+if(HUNTER_ENABLED)
+    include(${CMAKE_CURRENT_LIST_DIR}/package/hunter/HunterInit.cmake)
+endif()
+
 project(Magnum ${LANG})
 
+if(HUNTER_ENABLED)
+    include(${CMAKE_CURRENT_LIST_DIR}/package/hunter/HunterAddPackages.cmake)
+endif()
+
 # Use folders for nice tree in Visual Studio and XCode
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
diff --git a/package/hunter/HunterAddPackages.cmake b/package/hunter/HunterAddPackages.cmake
new file mode 100644
index 000000000..d28a11bf3
--- /dev/null
+++ b/package/hunter/HunterAddPackages.cmake
@@ -0,0 +1,36 @@
+#
+#   This file is part of Magnum.
+#
+#   Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
+#             Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2018 Pascal Thomet <pthomet@gmail.com>
+#
+#   Permission is hereby granted, free of charge, to any person obtaining a
+#   copy of this software and associated documentation files (the "Software"),
+#   to deal in the Software without restriction, including without limitation
+#   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+#   and/or sell copies of the Software, and to permit persons to whom the
+#   Software is furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be included
+#   in all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+#   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#   DEALINGS IN THE SOFTWARE.
+#
+
+hunter_add_package(corrade)
+if(WITH_GLFWAPPLICATION)
+    hunter_add_package(glfw)
+endif()
+if(WITH_SDL2APPLICATION)
+    hunter_add_package(SDL2)
+endif()
+if(WITH_AUDIO)
+    hunter_add_package(OpenAL)
+endif()
diff --git a/package/hunter/HunterInit.cmake b/package/hunter/HunterInit.cmake
new file mode 100644
index 000000000..d8d51ba4c
--- /dev/null
+++ b/package/hunter/HunterInit.cmake
@@ -0,0 +1,46 @@
+#
+#   This file is part of Magnum.
+#
+#   Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
+#             Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2018 Pascal Thomet <pthomet@gmail.com>
+#
+#   Permission is hereby granted, free of charge, to any person obtaining a
+#   copy of this software and associated documentation files (the "Software"),
+#   to deal in the Software without restriction, including without limitation
+#   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+#   and/or sell copies of the Software, and to permit persons to whom the
+#   Software is furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be included
+#   in all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+#   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#   DEALINGS IN THE SOFTWARE.
+#
+
+set(_HUNTER_GATE_FILE ${CMAKE_CURRENT_BINARY_DIR}/HunterGate.cmake)
+if(NOT EXISTS ${_HUNTER_GATE_FILE})
+    file(DOWNLOAD
+        https://raw.githubusercontent.com/hunter-packages/gate/c4e5b3e4d1c97fb46ae86af7f59baac95f7f1cf0/cmake/HunterGate.cmake
+        ${_HUNTER_GATE_FILE}
+        EXPECTED_HASH SHA1=b59156338f5722d6ef84321c8ccef5ecf2ac24e6
+        STATUS _HUNTER_GATE_FILE_STATUS)
+    # If download fails, remove the bad file so it tries to download it again
+    # next time
+    list(GET _HUNTER_GATE_FILE_STATUS 0 _HUNTER_GATE_FILE_STATUS_CODE)
+    if(NOT _HUNTER_GATE_FILE_STATUS_CODE EQUAL 0)
+        file(REMOVE ${_HUNTER_GATE_FILE})
+        message(FATAL_ERROR "Error downloading HunterGate.cmake. Please retry the CMake configure step.")
+    endif()
+endif()
+
+include(${_HUNTER_GATE_FILE})
+HunterGate(
+    URL "https://github.com/ruslo/hunter/archive/v0.23.65.tar.gz"
+    SHA1 "00e252171605c290390a3cc90a372beeeb406d3c")