# to maintain later. In this particular case, you just have to be careful
# not to nest @if/@endif pairs, because configure will not warn you at all.
+AC_ARG_ENABLE([bootstrap],
+[ --enable-bootstrap Enable bootstrapping [no]],,
+enable_bootstrap=no)
+if test -d ${srcdir}/gcc; then
+ case "$host:$target:$enable_bootstrap" in
+ $build:$build:yes | *:no) ;;
+ *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
+ *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
+ esac
+else
+ if test $enable_bootstrap = yes; then
+ AC_MSG_ERROR([cannot bootstrap without a compiler])
+ fi
+fi
+
+case "$enable_bootstrap" in
+ yes)
+ default_target=bootstrap
+ bootstrap_suffix=bootstrap ;;
+ no)
+ default_target=all
+ bootstrap_suffix=no-bootstrap ;;
+esac
+AC_SUBST(default_target)
+
for module in ${build_modules} ; do
if test -z "${no_recursion}" \
&& test -f ${build_subdir}/${module}/Makefile; then
fi
extrasub="$extrasub
/^@if build-$module\$/d
-/^@endif build-$module\$/d"
+/^@endif build-$module\$/d
+/^@if build-$module-$bootstrap_suffix\$/d
+/^@endif build-$module-$bootstrap_suffix\$/d"
done
for module in ${configdirs} ; do
if test -z "${no_recursion}" \
fi
extrasub="$extrasub
/^@if $module\$/d
-/^@endif $module\$/d"
+/^@endif $module\$/d
+/^@if $module-$bootstrap_suffix\$/d
+/^@endif $module-$bootstrap_suffix\$/d"
done
for module in ${target_configdirs} ; do
if test -z "${no_recursion}" \
fi
extrasub="$extrasub
/^@if target-$module\$/d
-/^@endif target-$module\$/d"
+/^@endif target-$module\$/d
+/^@if target-$module-$bootstrap_suffix\$/d
+/^@endif target-$module-$bootstrap_suffix\$/d"
done
+
extrasub="$extrasub
/^@if /,/^@endif /d"
elif test "$host" = "$target"; then
GFORTRAN_FOR_TARGET='gfortran'
else
- GFORTRAN_FOR_TARGET=`echo gfortran | sed -e 's/x/x/' ${program_transform_name}`
+ GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
fi
case $GFORTRAN_FOR_TARGET in
*' $(FLAGS_FOR_TARGET)') ;;