CMake: make it possible to selectively disable static plugins as well.

Instead of only having a possibility of building some plugins as static
while the default is dynamic.

doc/building.dox

@@ -656,9 +656,8 @@ Options controlling the build:
 -   `BUILD_PLUGINS_STATIC` --- Build plugins as static. By default, plugins are
     built as dynamic. Independent of the `BUILD_STATIC` option to allow having
     static libraries with dynamic plugins and vice versa. To some extent it's
-    also possible to have only a subset of plugins built as static --- keep
-    this option `OFF` and enable `MAGNUM_<PLUGIN>_BUILD_STATIC` for particular
-    plugins instead.
+    also possible to have only a subset of plugins built as static --- set `MAGNUM_<PLUGIN>_BUILD_STATIC` for particular plugins to `ON` or `OFF` to
+    override this option.
 -   `BUILD_DEPRECATED` --- Include deprecated APIs in the build. Enabled by
     default to preserve backwards compatibility, disabling it forces you to
     update your code whenever there's a breaking API change. It's however

src/MagnumPlugins/AnyAudioImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYAUDIOIMPORTER_BUILD_STATIC)
     set(MAGNUM_ANYAUDIOIMPORTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/AnyImageConverter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYIMAGECONVERTER_BUILD_STATIC)
     set(MAGNUM_ANYIMAGECONVERTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/AnyImageImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYIMAGEIMPORTER_BUILD_STATIC)
     set(MAGNUM_ANYIMAGEIMPORTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/AnySceneConverter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYSCENECONVERTER_BUILD_STATIC)
     set(MAGNUM_ANYSCENECONVERTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/AnySceneImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYSCENEIMPORTER_BUILD_STATIC)
     set(MAGNUM_ANYSCENEIMPORTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/AnyShaderConverter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_ANYSHADERCONVERTER_BUILD_STATIC)
     set(MAGNUM_ANYSHADERCONVERTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/MagnumFont/CMakeLists.txt

@@ -31,7 +31,7 @@ endif()
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_MAGNUMFONT_BUILD_STATIC)
     set(MAGNUM_MAGNUMFONT_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_MAGNUMFONTCONVERTER_BUILD_STATIC)
     set(MAGNUM_MAGNUMFONTCONVERTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/ObjImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_OBJIMPORTER_BUILD_STATIC)
     set(MAGNUM_OBJIMPORTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/TgaImageConverter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_TGAIMAGECONVERTER_BUILD_STATIC)
     set(MAGNUM_TGAIMAGECONVERTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/TgaImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_TGAIMPORTER_BUILD_STATIC)
     set(MAGNUM_TGAIMPORTER_BUILD_STATIC 1)
 endif()
 

src/MagnumPlugins/WavAudioImporter/CMakeLists.txt

@@ -25,7 +25,7 @@
 
 find_package(Corrade REQUIRED PluginManager)
 
-if(BUILD_PLUGINS_STATIC)
+if(BUILD_PLUGINS_STATIC AND NOT DEFINED MAGNUM_WAVAUDIOIMPORTER_BUILD_STATIC)
     set(MAGNUM_WAVAUDIOIMPORTER_BUILD_STATIC 1)
 endif()