Misc. backports from rtems-4.8

contrib/crossrpms/Makefile.am

@@ -4,7 +4,7 @@
 
 EXTRA_DIST =
 
-SUBDIRS = @TARGET_SUBDIRS@
+SUBDIRS = @HOST_SUBDIRS@ @TARGET_SUBDIRS@
 
 DIST_SUBDIRS  = cygwin
 DIST_SUBDIRS += freebsd5.2

contrib/crossrpms/configure.ac

@@ -62,25 +62,31 @@ case "$prefix" in
 /usr)
   sysdirpattern="/%sysdir/d"
   rpmprefix=
+  host_subdirs=
   ;;
 /usr/local)
   sysdirpattern="/%sysdir/d"
   rpmprefix="local-"
+  host_subdirs=autotools
   ;;
 /opt/rtems)
   sysdirpattern="s/^%sysdir/%dir/g"
   rpmprefix="rtems-"
+  host_subdirs=autotools
   ;;
 NONE|${ac_default_prefix}) # Default prefix
   sysdirpattern="s/^%sysdir/%dir/g"
   rpmprefix="[rtems-]RTEMS_API[-]"
+  host_subdirs=autotools
   ;;
 *)
   sysdirpattern="s/^%sysdir/%dir/g"
   rpmprefix="custom-"
+  host_subdirs=autotools
   ;;
 esac
 AC_SUBST(sysdirpattern)
+AC_SUBST(HOST_SUBDIRS,$host_subdirs)
 
 AC_ARG_ENABLE([rpmprefix],
 [  --enable-rpmprefix=<rpmprefix>      prefix rpms],[

contrib/crossrpms/gcc/gccnewlib.add

@@ -20,6 +20,9 @@ BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %define _use_internal_dependency_generator 0
 
+%if "%{gcc_version}" >= "4.2.0"
+BuildRequires:	flex bison
+%endif
 %if %build_gcj
 # Building gcj requires bison and zlib
 BuildRequires:	bison