fix: slapd daemon fails to start with segmentation fault on s390x

Resolves: #1020661

openldap-security-pie.patch

@@ -1,16 +0,0 @@
-Build slapd as position-independent executable (PIE) to take an advantage of
-address space layout randomization (ASLD).
-
-Author: Thomas Woerner <twoerner@redhat.com>
-
---- a/servers/slapd/Makefile.in
-+++ b/servers/slapd/Makefile.in
-@@ -263,7 +263,7 @@ slapi/libslapi.la: FORCE
- 	(cd slapi; $(MAKE) $(MFLAGS) all)
- 
- slapd: $(SLAPD_DEPENDS) @LIBSLAPI@
--	$(LTLINK) -o $@ $(SLAPD_OBJECTS) $(LIBS) \
-+	$(LTLINK) -pie -Wl,-z,defs -o $@ $(SLAPD_OBJECTS) $(LIBS) \
- 		$(WRAP_LIBS)
- 	$(RM) $(SLAPTOOLS)
- 	for i in $(SLAPTOOLS); do \

openldap.spec

@@ -5,7 +5,7 @@
 
 Name: openldap
 Version: 2.4.36
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: LDAP support libraries
 Group: System Environment/Daemons
 License: OpenLDAP
@@ -26,7 +26,6 @@ Source55: libexec-generate-server-cert.sh
 
 # patches for 2.4
 Patch0: openldap-manpages.patch
-Patch1: openldap-security-pie.patch
 Patch2: openldap-sql-linking.patch
 Patch3: openldap-reentrant-gethostby.patch
 Patch4: openldap-smbk5pwd-overlay.patch
@@ -152,7 +151,6 @@ ln -s %{_includedir}/nspr4 include/nspr
 AUTOMAKE=%{_bindir}/true autoreconf -fi
 
 %patch0 -p1
-%patch1 -p1
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
@@ -191,9 +189,15 @@ popd
 
 %build
 
+%ifarch s390 s390x
+  export CFLAGS="-fPIE"
+%else
+  export CFLAGS="-fpie"
+%endif
+export LDFLAGS="-pie"
 # avoid stray dependencies (linker flag --as-needed)
 # enable experimental support for LDAP over UDP (LDAP_CONNECTIONLESS)
-export CFLAGS="%{optflags} -Wl,--as-needed -DLDAP_CONNECTIONLESS"
+export CFLAGS="${CFLAGS} %{optflags} -Wl,--as-needed -DLDAP_CONNECTIONLESS"
 
 pushd openldap-%{version}
 %configure \
@@ -601,6 +605,9 @@ exit 0
 %{_mandir}/man3/*
 
 %changelog
+* Mon Oct 21 2013 Jan Synáček <jsynacek@redhat.com> - 2.4.36-4
+- fix: slapd daemon fails to start with segmentation fault on s390x (#1020661)
+
 * Tue Oct 15 2013 Jan Synáček <jsynacek@redhat.com> - 2.4.36-3
 - rebuilt for libdb-5.3.28