cmake: no shared SDL libraries for riscos

.github/workflows/riscos.yml

@@ -50,6 +50,7 @@ jobs:
     - name: Verify CMake configuration files
       run: |
         cmake -S cmake/test -B cmake_config_build -G Ninja \
+          -DTEST_SHARED=OFF \
           -DCMAKE_TOOLCHAIN_FILE=/home/riscos/env/toolchain-riscos.cmake \
           -DCMAKE_PREFIX_PATH=${{ env.SDL3_DIR }} \
           -DCMAKE_BUILD_TYPE=Release \

CMakeLists.txt

@@ -317,7 +317,7 @@ if(EMSCRIPTEN)
   set(SDL_CPUINFO_ENABLED_BY_DEFAULT OFF)
 endif()
 
-if(VITA OR PSP OR PS2 OR N3DS)
+if(VITA OR PSP OR PS2 OR N3DS OR RISCOS)
   set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
   set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF)
 endif()

test/CMakeLists.txt

@@ -13,7 +13,7 @@ include(CMakePushCheckState)
 include(GNUInstallDirs)
 
 set(SDL_TESTS_LINK_SHARED_DEFAULT ON)
-if(EMSCRIPTEN OR N3DS OR PS2 OR PSP OR VITA)
+if(EMSCRIPTEN OR N3DS OR PS2 OR PSP OR RISCOS OR VITA)
     set(SDL_TESTS_LINK_SHARED_DEFAULT OFF)
 endif()