krb5/krb5-1.9.1-buildconf.patch

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Build binaries in this package as RELRO PIEs, libraries as partial RELRO,
and install shared libraries with the execute bit set on them. Prune out
the -L/usr/lib*, PIE flags, and CFLAGS where they might leak out and affect
apps which just want to link with the libraries. FIXME: needs to check and
not just assume that the compiler supports using these flags.
diff -up krb5-1.9/src/config/shlib.conf krb5-1.9/src/config/shlib.conf
--- krb5-1.9/src/config/shlib.conf 2008-12-08 17:33:07.000000000 -0500
+++ krb5-1.9/src/config/shlib.conf 2009-06-04 14:01:28.000000000 -0400
@@ -419,7 +419,7 @@ mips-*-netbsd*)
SHLIBEXT=.so
# Linux ld doesn't default to stuffing the SONAME field...
# Use objdump -x to examine the fields of the library
- LDCOMBINE='$(CC) -shared -fPIC -Wl,-h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT),--no-undefined'
+ LDCOMBINE='$(CC) -shared -fPIC -Wl,-h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT),--no-undefined -Wl,-z,relro'
#
LDCOMBINE_TAIL='-Wl,--version-script binutils.versions && $(PERL) -w $(top_srcdir)/util/export-check.pl $(SHLIB_EXPORT_FILE) $@'
SHLIB_EXPORT_FILE_DEP=binutils.versions
@@ -430,7 +430,8 @@
SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
PROFFLAGS=-pg
PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
- CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+ CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) -pie -Wl,-z,relro -Wl,-z,now $(LDFLAGS)'
+ INSTALL_SHLIB='${INSTALL} -m755'
CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
diff -up krb5-1.9/src/krb5-config.in krb5-1.9/src/krb5-config.in
--- krb5-1.9/src/krb5-config.in 2009-06-04 14:01:28.000000000 -0400
+++ krb5-1.9/src/krb5-config.in 2009-06-04 14:01:28.000000000 -0400
@@ -187,8 +187,15 @@ if test -n "$do_libs"; then
-e 's#\$(RPATH_FLAG)#'"$RPATH_FLAG"'#' \
-e 's#\$(LDFLAGS)#'"$LDFLAGS"'#' \
-e 's#\$(PTHREAD_CFLAGS)#'"$PTHREAD_CFLAGS"'#' \
- -e 's#\$(CFLAGS)#'"$CFLAGS"'#'`
+ -e 's#\$(CFLAGS)##'`
+ if test `dirname $libdir` = /usr ; then
+ lib_flags=`echo $lib_flags | sed -e "s#-L$libdir##" -e "s#$RPATH_FLAG$libdir##"`
+ fi
+ lib_flags=`echo $lib_flags | sed -e "s#-fPIE##g" -e "s#-pie##g"`
+ lib_flags=`echo $lib_flags | sed -e "s#-Wl,-z,relro##g"`
+ lib_flags=`echo $lib_flags | sed -e "s#-Wl,-z,now##g"`
+
if test $library = 'kdb'; then
lib_flags="$lib_flags -lkdb5 $KDB5_DB_LIB"
library=krb5
diff -up krb5-1.9/src/config/pre.in krb5-1.9/src/config/pre.in
--- krb5-1.9/src/config/pre.in 2011-04-01 15:45:06.640705226 -0400
+++ krb5-1.9/src/config/pre.in 2011-04-01 15:45:11.179705234 -0400
@@ -188,7 +188,7 @@
INSTALL_SCRIPT=@INSTALL_PROGRAM@
INSTALL_DATA=@INSTALL_DATA@
INSTALL_SHLIB=@INSTALL_SHLIB@
-INSTALL_SETUID=$(INSTALL) $(INSTALL_STRIP) -m 4755 -o root
+INSTALL_SETUID=$(INSTALL) $(INSTALL_STRIP) -m 4755
## This is needed because autoconf will sometimes define @exec_prefix@ to be
## ${prefix}.
prefix=@prefix@