Remove librtkaio support.

The principal purpose of this change is to remove librtkaio support.

The Fedora system wide change request is here:
https://fedoraproject.org/wiki/Changes/GLIBC223_librtkaio_removal

- Build require gcc-c++ for the C++ tests.
- Support --without testsuite option to disable testing after build.
- Support --without benchtests option to disable microbenchmarks.
- Update --with bootstrap to disable benchtests, valgrind, documentation,
  selinux, and nss-crypt during bootstrap.
- Support --without werror to disable building with -Werror.
- Support --without docs to disable build requirement on texinfo.
- Support --without valgrind to disable testing with valgrind.
- Remove c_stubs add-on and enable fuller support for static binaries.
- Remove librtkaio support (#1227855).

gen-quilt-series.sh

@@ -4,7 +4,7 @@
 rm -f series.new
 count=0
 # Filter out the patches, and use `_` as our pseudo-IFS to prevent expansion.
-for i in `grep '%patch' glibc.spec | sed -e 's,%patch,,g' -e 's, ,_,g'`; do
+for i in `grep '^%patch' glibc.spec | sed -e 's,%patch,,g' -e 's, ,_,g'`; do
     # Split the patch into number and arguments.
     # 1 - Patch number.
     # 2-N - Patch arguments.
@@ -12,12 +12,15 @@ for i in `grep '%patch' glibc.spec | sed -e 's,%patch,,g' -e 's, ,_,g'`; do
     elements=(`echo $i | sed -e 's,_, ,g'`)
     num=${elements[0]}
     args=${elements[@]:1}
-    grep "Patch${num}" glibc.spec | sed -e 's,Patch.*: ,,g' -e "s,\$, ${args[@]},g" >> series.new
+    # Find the next patch that applies in order and write it out.
+    # This way we transform the patch # list into a patch file list in order.
+    grep "Patch${num}: " glibc.spec | sed -e 's,Patch.*: ,,g' -e "s,\$, ${args[@]},g" >> series.new
     ((count++))
 done
+# Double check we processed the correct number of patches.
 fcount=`wc -l series.new | sed -e 's, .*$,,g'`
 if [ $fcount -ne $count ]; then
-    echo "Error! Processed less patches than in spec file ($fcount != $count)."
+    echo "Error! Processed patch count doesn't match spec file count ($fcount != $count)."
     exit 1
 fi
 echo "Processed $count patches."