$NetBSD$

Add linker flags for NetBSD.

--- src/app/CMakeLists.txt.orig	2025-04-24 13:59:18.000000000 +0000
+++ src/app/CMakeLists.txt
@@ -115,6 +115,13 @@ elseif(OS_IS_FBSD)
     if (BUILD_SHARED_LIBS)
         set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_RPATH};${SHARED_LIBS_INSTALL_DESTINATION}")
     endif(BUILD_SHARED_LIBS)
+elseif(OS_IS_NBSD)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasound -lpthread")
+
+    set(CMAKE_INSTALL_RPATH "${QT_INSTALL_LIBS}")
+    if (BUILD_SHARED_LIBS)
+        set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_RPATH};${SHARED_LIBS_INSTALL_DESTINATION}")
+    endif(BUILD_SHARED_LIBS)
 else()
     message(FATAL_ERROR "Unsupported Platform: ${CMAKE_HOST_SYSTEM_NAME}")
 endif()
@@ -439,9 +446,9 @@ elseif(OS_IS_LIN)
        add_custom_target(mscore_alias ALL COMMAND echo "No symlink aliases will be created." VERBATIM )
     endif (LN_EXECUTABLE)
 
-elseif(OS_IS_FBSD)
+elseif(OS_IS_FBSD OR OS_IS_NBSD)
 ###########################################
-# FreeBSD
+# FreeBSD, NetBSD
 ###########################################
     add_custom_target(mscore_alias ALL
            COMMAND echo "Creating symlink alias for mscore executable."
