1. use unversioned patch file; 2. correct subshell usage; 3. remove xemacs cruft

autoconf/autoconf.patch

@@ -1,5 +1,5 @@
---- acgeneral.m4.old	Tue Jan  5 14:27:37 1999
-+++ acgeneral.m4	Thu Mar  2 12:04:32 2000
+--- autoconf-2.13/acgeneral.m4.old	Tue Jan  5 14:27:37 1999
++++ autoconf-2.13/acgeneral.m4	Thu Mar  2 12:04:32 2000
 @@ -868,6 +868,10 @@
      ac_aux_dir=$ac_dir
      ac_install_sh="$ac_aux_dir/install.sh -c"

autoconf/autoconf.spec

@@ -37,12 +37,12 @@ Distribution: OpenPKG [CORE]
 Group:        Development
 License:      GPL
 Version:      %{V_latest}
-Release:      20030721
+Release:      20030722
 
 #   list of sources
 Source1:      ftp://ftp.gnu.org/gnu/autoconf/autoconf-%{V_latest}.tar.gz
 Source0:      ftp://ftp.gnu.org/gnu/autoconf/autoconf-%{V_old}.tar.gz
-Patch0:       autoconf-%{V_old}.patch
+Patch0:       autoconf.patch
 
 #   build information
 Prefix:       %{l_prefix}
@@ -64,8 +64,7 @@ AutoReqProv:  no
 %prep
     %setup0 -q -c -n autoconf-%{V_latest}
     %setup1 -q -T -D -a 1
-    cd autoconf-%{V_old}
-    %{l_patch} -p0 <%{PATCH autoconf-%{V_old}.patch}
+    %patch0 -p0
 
 %build
     ( cd autoconf-%{V_old}
@@ -78,14 +77,14 @@ AutoReqProv:  no
           -e 's;\(acdatadir = $(datadir)/autoconf\);\1/old;' \
           Makefile
       %{l_make} %{l_mflags}
-    )
+    ) || exit $?
     ( cd autoconf-%{V_latest}
       CC="%{l_cc}" \
       CFLAGS="%{l_cflags -O}" \
       ./configure \
           --prefix=%{l_prefix}
       %{l_make} %{l_mflags}
-    )
+    ) || exit $?
 
 %install
     rm -rf $RPM_BUILD_ROOT
@@ -94,11 +93,12 @@ AutoReqProv:  no
           prefix=$RPM_BUILD_ROOT%{l_prefix}
       mv $RPM_BUILD_ROOT%{l_prefix}/info/autoconf.info \
          $RPM_BUILD_ROOT%{l_prefix}/info/autoconf-old.info
-    )
+    ) || exit $?
     ( cd autoconf-%{V_latest}
       %{l_make} %{l_mflags} install \
           prefix=$RPM_BUILD_ROOT%{l_prefix}
-    )
+    ) || exit $?
+    rm -rf $RPM_BUILD_ROOT%{l_prefix}/lib/xemacs
     rm -f $RPM_BUILD_ROOT%{l_prefix}/info/dir
     %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT %{l_files_std}