cmake: set IMPORT_PREFIX for libs, needed for msvc builds

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/cmake.yml

@@ -42,7 +42,6 @@ jobs:
         run: cmake -S cmake -B build \
                -DCMAKE_CROSSCOMPILING=ON \
                -DCMAKE_CROSSCOMPILING_EMULATOR=wine \
-               -DCMAKE_SHARED_LIBRARY_SUFFIX=".dll" \
                -DCMAKE_SYSTEM_NAME=Windows \
                -DCMAKE_SYSTEM_PROCESSOR=i686 \
                -DCMAKE_C_COMPILER=i686-w64-mingw32-gcc \
@@ -70,7 +69,6 @@ jobs:
         run: cmake -S cmake -B build \
                -DCMAKE_CROSSCOMPILING=ON \
                -DCMAKE_CROSSCOMPILING_EMULATOR=wine \
-               -DCMAKE_SHARED_LIBRARY_SUFFIX=".dll" \
                -DCMAKE_SYSTEM_NAME=Windows \
                -DCMAKE_SYSTEM_PROCESSOR=x86_64 \
                -DCMAKE_C_COMPILER=x86_64-w64-mingw32-gcc \

cmake/CMakeLists.txt

@@ -811,8 +811,8 @@ install(TARGETS carla-standalone
 set_target_properties(carla-standalone
   PROPERTIES
     OUTPUT_NAME carla_standalone2
+    IMPORT_PREFIX lib
     PREFIX lib
-    SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX}
 )
 
 target_compile_definitions(carla-standalone
@@ -907,8 +907,8 @@ install(TARGETS carla-utils
 set_target_properties(carla-utils
   PROPERTIES
     OUTPUT_NAME carla_utils
+    IMPORT_PREFIX lib
     PREFIX lib
-    SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX}
 )
 
 target_include_directories(carla-utils