if(NSIS_WIN_VERSION MATCHES "")
set(NSIS_WIN_VERSION $ENV{PROCESSOR_ARCHITECTURE})
endif()
- string(TOLOWER ${NSIS_WIN_VERSION} NSIS_WIN_VERSION)
+ if(${NSIS_WIN_VERSION})
+ string(TOLOWER ${NSIS_WIN_VERSION} NSIS_WIN_VERSION)
+ endif()
set(_XBT_WIN32 1)