From 86a9f01dab7224db6c386b71fb3adfb6bdeb3424 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Wed, 13 Nov 2019 17:35:05 +0100
Subject: [PATCH] modules: link to all dependencies of statically-built SDL on
 Windows.

---
 doc/changelog.dox      |  2 ++
 modules/FindSDL2.cmake | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/doc/changelog.dox b/doc/changelog.dox
index a80aa7ccb..5fbc172d4 100644
--- a/doc/changelog.dox
+++ b/doc/changelog.dox
@@ -93,6 +93,8 @@ See also:
 
 -   Fixed a bad interaction between @ref Magnum/Platform/AbstractXApplication.h
     and @ref Magnum/Platform/GlfwApplication.h (see [mosra/magnum#389](https://github.com/mosra/magnum/pull/389))
+-   `FindSDL2.cmake` got updated to link to all dependencies when using a
+    statically built SDL on Windows
 
 @subsection changelog-latest-bugfixes Bug fixes
 
diff --git a/modules/FindSDL2.cmake b/modules/FindSDL2.cmake
index 50ab04529..b628e41f5 100644
--- a/modules/FindSDL2.cmake
+++ b/modules/FindSDL2.cmake
@@ -178,6 +178,29 @@ if(NOT TARGET SDL2::SDL2)
             set_property(TARGET SDL2::SDL2 APPEND PROPERTY
                 INTERFACE_LINK_LIBRARIES ${_SDL2_FRAMEWORK_LIBRARIES})
         endif()
+
+        # Windows dependencies for a static library. Unfortunately there's no
+        # easy way to figure out if a *.lib is static or dynamic, so we're
+        # adding only if a DLL is not found.
+        if(CORRADE_TARGET_WINDOWS AND NOT CORRADE_TARGET_WINDOWS_RT AND SDL2_DLL_RELEASE AND NOT SDL2_DLL_DEBUG)
+            set_property(TARGET SDL2::SDL2 APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+                # https://github.com/SDL-mirror/SDL/blob/release-2.0.10/CMakeLists.txt#L1338
+                user32 gdi32 winmm imm32 ole32 oleaut32 version uuid advapi32 setupapi shell32
+                # https://github.com/SDL-mirror/SDL/blob/release-2.0.10/CMakeLists.txt#L1384
+                dinput8)
+            # https://github.com/SDL-mirror/SDL/blob/release-2.0.10/CMakeLists.txt#L1422
+            # additionally has dxerr for MSVC if DirectX SDK is not used, but
+            # according to https://walbourn.github.io/wheres-dxerr-lib/ this
+            # thing is long deprecated.
+            if(MINGW)
+                set_property(TARGET SDL2::SDL2 APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+                    # https://github.com/SDL-mirror/SDL/blob/release-2.0.10/CMakeLists.txt#L1386
+                    dxerr8
+                    # https://github.com/SDL-mirror/SDL/blob/release-2.0.10/CMakeLists.txt#L1388
+                    mingw32)
+            endif()
+        endif()
+
     else()
         add_library(SDL2::SDL2 INTERFACE IMPORTED)
     endif()