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libapparmor: Finish removing LD_RUN_PATH from Makefile.perl

commit 94dfe15b28dc56f60c7c368f2bf7353fe2e0906d attempted to remove
LD_RUN_PATH unfortunately

   But all it actually does is cause the Makefile.perl to embed the rpath
    "" instead. Which is still an rpath, only I guess an even worse one.

    --
    Eli Schwartz
    Arch Linux Bug Wrangler and Trusted User

This is because it cleared the setting of the variable LD_RUN_PATH
which was expanded in the command

$(INST_DYNAMIC) : $(OBJECT) $(MYEXTLIB) $(INST_ARCHAUTODIR)$(DFSEP).exists $(EXPORT_LIST) $(PERL_ARCHIVEDEP) $(PERL_ARCHIVE_AFTER) $(INST_DYNAMIC_DEP)
	$(RM_F) $@
	 LD_RUN_PATH="$(LD_RUN_PATH)" $(LD)  $(LDDLFLAGS) $(LDFROM) $(OTHERLDFLAGS) -o $@ $(MYEXTLIB) \
	  $(PERL_ARCHIVE) $(LDLOADLIBS) $(PERL_ARCHIVE_AFTER) $(EXPORT_LIST) \
	  $(INST_DYNAMIC_FIX)
	$(CHMOD) $(PERM_RWX) $@

resulting in LD_RUN_PATH="" being passed to the command.

Finish removing LD_RUN_PATH from Makefile.perl by removing it from
the command invocation if it is present.

Note: we use \x24 instead of $ in the regex as there seems to be a bug
and no level of escaping $ would allow it to be used.

PR: https://gitlab.com/apparmor/apparmor/merge_requests/207
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Christian Boltz <apparmor@cboltz.de>
(cherry picked from commit 958cc288769360aaec23971efaf4318f4c6817bc)
This commit is contained in:
John Johansen 2018-10-08 16:06:46 -07:00
parent 108e8afe6b
commit c8ca044d28

View File

@ -12,6 +12,7 @@ LibAppArmor.pm: libapparmor_wrap.c
Makefile.perl: Makefile.PL LibAppArmor.pm
$(PERL) $< PREFIX=$(prefix) MAKEFILE=$@
sed -ie 's/LD_RUN_PATH="\x24(LD_RUN_PATH)"//g' Makefile.perl
sed -ie 's/^LD_RUN_PATH.*//g' Makefile.perl
LibAppArmor.so: libapparmor_wrap.c Makefile.perl