Accepting request 143496 from home:elvigia:branches:Base:System

- When sysconfig variables are empty, do not set stuff to zero
  just use the defaults. 

- Fix systemd unit and sysconfig parsing the right way.

OBS-URL: https://build.opensuse.org/request/show/143496
OBS-URL: https://build.opensuse.org/package/show/Base:System/at?expand=0&rev=50

at.spec

@@ -18,6 +18,7 @@
 
 Name:           at
 BuildRequires:  autoconf
+BuildRequires:  automake
 BuildRequires:  bison
 BuildRequires:  flex
 BuildRequires:  libselinux-devel
@@ -61,11 +62,14 @@ Patch17:        %{name}-%{version}-tomorrow.patch
 Patch18:        %{name}-%{version}-atrm-race.patch
 #PATCH-FIX-UPSTREAM wrong mtime handling of jobdir (bnc#680113)
 Patch19:        %{name}-%{version}-jobdir-mtime.patch
+Patch20:        at-parse-suse-sysconfig.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 PreReq:         %{_sbindir}/useradd %{_sbindir}/groupadd %fillup_prereq %insserv_prereq
 PreReq:         permissions
 Recommends:     smtp_daemon
 %if 0%{?suse_version} > 1140
+BuildRequires:  libHX-devel
+BuildRequires:  pkgconfig
 BuildRequires:  systemd
 %{?systemd_requires}
 %define has_systemd 1
@@ -96,10 +100,10 @@ This program allows you to run jobs at specified times.
 %patch17 -p1
 %patch18
 %patch19
-
+%patch20
 %build
 rm -fv y.tab.c y.tab.h lex.yy.c lex.yy.o y.tab.o
-autoconf
+autoreconf -fiv
 export SENDMAIL=%{_sbindir}/sendmail
 %configure \
   --with-pam \