-# Check whether --enable-bootstrap was given.
-if test "${enable_bootstrap+set}" = set; then :
- enableval=$enable_bootstrap;
-else
- enable_bootstrap=default
-fi
-
-
-# Issue errors and warnings for invalid/strange bootstrap combinations.
-case "$configdirs" in
- *gcc*) have_compiler=yes ;;
- *) have_compiler=no ;;
-esac
-
-case "$have_compiler:$host:$target:$enable_bootstrap" in
- *:*:*:no) ;;
-
- # Default behavior. Enable bootstrap if we have a compiler
- # and we are in a native configuration.
- yes:$build:$build:default)
- enable_bootstrap=yes ;;
-
- *:*:*:default)
- enable_bootstrap=no ;;
-
- # We have a compiler and we are in a native configuration, bootstrap is ok
- yes:$build:$build:yes)
- ;;
-
- # Other configurations, but we have a compiler. Assume the user knows
- # what he's doing.
- yes:*:*:yes)
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: trying to bootstrap a cross compiler" >&5
-$as_echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;}
- ;;
-
- # No compiler: if they passed --enable-bootstrap explicitly, fail
- no:*:*:yes)
- as_fn_error "cannot bootstrap without a compiler" "$LINENO" 5 ;;
-
- # Fail if wrong command line
- *)
- as_fn_error "invalid option for --enable-bootstrap" "$LINENO" 5
- ;;
-esac
-
-case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
- *,c++,*:yes:yes) ;;
- *:yes:yes)
- as_fn_error "bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages" "$LINENO" 5
- ;;
-esac
-