74 lines
3.4 KiB
Diff
74 lines
3.4 KiB
Diff
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From 4e42a6786a06b7223f27536267492a463a700c76 Mon Sep 17 00:00:00 2001
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From: Robbie Harwood <rharwood@redhat.com>
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Date: Tue, 23 Aug 2016 16:45:26 -0400
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Subject: [PATCH] [downstream] Adjust build configuration
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Build binaries in this package as RELRO PIEs, libraries as partial RELRO,
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and install shared libraries with the execute bit set on them. Prune out
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the -L/usr/lib* and PIE flags where they might leak out and affect
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apps which just want to link with the libraries. FIXME: needs to check and
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not just assume that the compiler supports using these flags.
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Last-updated: krb5-1.15-beta1
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(cherry picked from commit 92508996ed4c69fa6f5cf855fdf10f34cfa07ec9)
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---
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src/build-tools/krb5-config.in | 7 +++++++
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src/config/pre.in | 2 +-
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src/config/shlib.conf | 5 +++--
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3 files changed, 11 insertions(+), 3 deletions(-)
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diff --git a/src/build-tools/krb5-config.in b/src/build-tools/krb5-config.in
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index c17cb5eb5..1891dea99 100755
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--- a/src/build-tools/krb5-config.in
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+++ b/src/build-tools/krb5-config.in
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@@ -226,6 +226,13 @@ if test -n "$do_libs"; then
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-e 's#\$(PTHREAD_CFLAGS)#'"$PTHREAD_CFLAGS"'#' \
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-e 's#\$(CFLAGS)##'`
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+ if test `dirname $libdir` = /usr ; then
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+ lib_flags=`echo $lib_flags | sed -e "s#-L$libdir##" -e "s#$RPATH_FLAG$libdir##"`
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+ fi
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+ lib_flags=`echo $lib_flags | sed -e "s#-fPIE##g" -e "s#-pie##g"`
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+ lib_flags=`echo $lib_flags | sed -e "s#-Wl,-z,relro##g"`
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+ lib_flags=`echo $lib_flags | sed -e "s#-Wl,-z,now##g"`
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+
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if test $library = 'kdb'; then
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lib_flags="$lib_flags -lkdb5 $KDB5_DB_LIB"
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library=krb5
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diff --git a/src/config/pre.in b/src/config/pre.in
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index 917357df9..a8540ae2a 100644
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--- a/src/config/pre.in
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+++ b/src/config/pre.in
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@@ -185,7 +185,7 @@ INSTALL_PROGRAM=@INSTALL_PROGRAM@ $(INSTALL_STRIP)
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INSTALL_SCRIPT=@INSTALL_PROGRAM@
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INSTALL_DATA=@INSTALL_DATA@
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INSTALL_SHLIB=@INSTALL_SHLIB@
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-INSTALL_SETUID=$(INSTALL) $(INSTALL_STRIP) -m 4755 -o root
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+INSTALL_SETUID=$(INSTALL) $(INSTALL_STRIP) -m 4755
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## This is needed because autoconf will sometimes define @exec_prefix@ to be
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## ${prefix}.
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prefix=@prefix@
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diff --git a/src/config/shlib.conf b/src/config/shlib.conf
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index 3e4af6c02..2b20c3fda 100644
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--- a/src/config/shlib.conf
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+++ b/src/config/shlib.conf
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@@ -423,7 +423,7 @@ mips-*-netbsd*)
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# Linux ld doesn't default to stuffing the SONAME field...
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# Use objdump -x to examine the fields of the library
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# UNDEF_CHECK is suppressed by --enable-asan
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- LDCOMBINE='$(CC) -shared -fPIC -Wl,-h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) $(UNDEF_CHECK)'
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+ LDCOMBINE='$(CC) -shared -fPIC -Wl,-h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) $(UNDEF_CHECK) -Wl,-z,relro -Wl,--warn-shared-textrel'
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UNDEF_CHECK='-Wl,--no-undefined'
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# $(EXPORT_CHECK) runs export-check.pl when in maintainer mode.
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LDCOMBINE_TAIL='-Wl,--version-script binutils.versions $(EXPORT_CHECK)'
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@@ -435,7 +435,8 @@ mips-*-netbsd*)
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SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
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PROFFLAGS=-pg
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PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
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- CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
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+ CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) -pie -Wl,-z,relro -Wl,-z,now $(LDFLAGS)'
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+ INSTALL_SHLIB='${INSTALL} -m755'
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CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
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CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
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CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
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