}
process_common_toolchain() {
+ if [ -z "$toolchain" ]; then
+ uname="$(uname -a)"
+
+ # detect tgt_isa
+ case "$uname" in
+ *x86_64*)
+ tgt_isa=x86_64
+ ;;
+ *i[3456]86*)
+ tgt_isa=x86
+ ;;
+ esac
+
+ # detect tgt_os
+ case "$uname" in
+ *Darwin\ Kernel\ Version\ 8*)
+ tgt_isa=universal
+ tgt_os=darwin8
+ ;;
+ *Darwin\ Kernel\ Version\ 9*)
+ tgt_isa=universal
+ tgt_os=darwin9
+ ;;
+ *Msys*|*Cygwin*)
+ tgt_os=win32
+ ;;
+ *Linux*|*BSD*)
+ tgt_os=linux
+ ;;
+ esac
+
+ if [ -n "$tgt_isa" ] && [ -n "$tgt_os" ]; then
+ toolchain=${tgt_isa}-${tgt_os}-gcc
+ fi
+ fi
+
toolchain=${toolchain:-generic-gnu}
is_in ${toolchain} ${all_platforms} || enabled force_toolchain \