cmake+android: remove ability to build a shared SDL3_mixer library

.github/workflows/main.yml

@@ -15,12 +15,11 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-        - { name: Windows (MSVC),       os: windows-latest, shell: sh,   cmake: '-DPerl_ROOT=C:/Strawberry/perl/bin/ -DSDLMIXER_VENDORED=ON -GNinja', msvc: 1, shared: 1, static: 0, artifact: 'SDL3_mixer-VC-x64' }
-        - { name: Windows (mingw64),    os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64, shared: 1, static: 0, artifact: 'SDL3_mixer-mingw64',
+        - { name: Windows (MSVC),       os: windows-latest, shell: sh,   cmake: '-DPerl_ROOT=C:/Strawberry/perl/bin/ -DSDLMIXER_VENDORED=ON -GNinja', msvc: 1, artifact: 'SDL3_mixer-VC-x64' }
+        - { name: Windows (mingw64),    os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64, artifact: 'SDL3_mixer-mingw64',
             cmake: '-DSDLMIXER_VENDORED=OFF -G "Ninja Multi-Config"' }
-        - { name: Linux,                os: ubuntu-latest, shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0, artifact: 'SDL3_mixer-linux-x64' }
-        - { name: 'Linux (static)',     os: ubuntu-latest, shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -DBUILD_SHARED_LIBS=OFF -GNinja', shared: 0, static: 1, artifact: 'SDL3_mixer-static-linux-x64' }
-        - { name: Macos,                os: macos-latest,  shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0, artifact: 'SDL3_mixer-macos' }
+        - { name: Linux,                os: ubuntu-latest, shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', artifact: 'SDL3_mixer-linux-x64' }
+        - { name: Macos,                os: macos-latest,  shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', artifact: 'SDL3_mixer-macos' }
 
 
     steps:
@@ -144,8 +143,8 @@ jobs:
       run: |
         cmake -S cmake/test -B cmake_config_build \
           -DCMAKE_BUILD_TYPE=Release \
-          -DTEST_SHARED=${{ matrix.platform.shared }} \
-          -DTEST_STATIC=${{ matrix.platform.static }}
+          -DTEST_SHARED=FALSE \
+          -DTEST_STATIC=TRUE
         cmake --build cmake_config_build --verbose --config Release
 
     - uses: actions/upload-artifact@v4

Android.mk

@@ -163,7 +163,7 @@ endif
 
 LOCAL_EXPORT_C_INCLUDES += $(LOCAL_PATH)/include
 
-include $(BUILD_SHARED_LIBRARY)
+include $(BUILD_STATIC_LIBRARY)
 
 ###########################
 #