Miscellaneous improvements and cleanups committed so I can merge

Ralf's end of day version.

scripts/mkgccnewlibspec.in

@@ -45,14 +45,11 @@ fi
 # target to build for
 target_alias=$1
 
-# RPM release number
-rpm_release=0
-
 . ./$CFG
 
 specfile=${dst}/$target_alias-gcc-${gcc_version}-newlib-${newlib_version}.spec
 
-sed -e "s%@Release@%${rpm_release}%g" \
+sed -e "s%@Release@%${gccnewlib_rpm_release}%g" \
     -e "s%@target_alias@%${target_alias}%g" \
     -e "s%@gcc_version@%${gcc_version}%g" \
     -e "s%@gcc_patch_version@%${gcc_patch_version}%g" \