This avoids a MSVC warning.
${TOP_SRC_DIR}/src/support/os_cygwin.cpp
${TOP_SRC_DIR}/src/support/os_os2.C
${TOP_SRC_DIR}/src/support/gettext.cpp)
${TOP_SRC_DIR}/src/support/os_cygwin.cpp
${TOP_SRC_DIR}/src/support/os_os2.C
${TOP_SRC_DIR}/src/support/gettext.cpp)
+if(NOT STD_STRING_USES_COW)
+ list(REMOVE_ITEM support_sources ${TOP_SRC_DIR}/src/support/trivstring.cpp)
+endif()
if(APPLE)
message(STATUS "Mac LinkBack support")
if(APPLE)
message(STATUS "Mac LinkBack support")