Set CMAKE_SHARED_LIBRARY_SUFFIX to always create .so files (#504)

* [#23543] Set CMAKE_SHARED_LIBRARY_SUFFIX to always create .so files.

Signed-off-by: danipiza <[email protected]>

* Refs #23543. Apply suggestion

Signed-off-by: Miguel Company <[email protected]>

---------

Signed-off-by: danipiza <[email protected]>
Signed-off-by: Miguel Company <[email protected]>
Co-authored-by: Miguel Company <[email protected]>

Author: Danipiza

src/main/java/com/eprosima/fastdds/idl/templates/SwigCMake.stg

@@ -63,6 +63,13 @@ find_package(fastdds 3 REQUIRED)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
+if(NOT WIN32)
+    # Default values for shared library suffix in MacOS
+    if(\${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+        set(CMAKE_SHARED_LIBRARY_SUFFIX ".so")
+    endif()
+endif()
+
 #Create library for C++ types
 add_library(\${PROJECT_NAME} SHARED
         $project.commonSrcFiles_escaped; separator="\n"$