-fi],[if test x"$default_enable_lto" = x"yes" ; then
- # On non-ELF platforms, LTO must be explicitly enabled.
- enable_lto=no
- else
- # Apart from ELF platforms, only Windows supports LTO so far. It
- # would also be nice to check the binutils support, but we don't
- # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
- # warn during gcc/ subconfigure; unless you're bootstrapping with
- # -flto it won't be needed until after installation anyway.
- case $target in
- *-cygwin*|*-mingw*) ;;
- x86_64-apple-darwin*) ;;
- *) if test x"$enable_lto" = x"yes"; then
- AC_MSG_ERROR([LTO support is not enabled for this target.])
- fi
- ;;
- esac
- fi
- default_enable_lto=no])