[Bug 1238804] New: /usr/bin/perl is not linked with -z now

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1238804

            Bug ID: 1238804
           Summary: /usr/bin/perl is not linked with -z now
           Product: Fedora
           Version: rawhide
         Component: perl
          Assignee: jplesnik(a)redhat.com
          Reporter: ppisar(a)redhat.com
        QA Contact: extras-qa(a)fedoraproject.org
                CC: cweyl(a)alumni.drew.edu, iarnell(a)gmail.com,
                    jplesnik(a)redhat.com, kasal(a)ucw.cz,
                    perl-devel(a)lists.fedoraproject.org, ppisar(a)redhat.com,
                    psabata(a)redhat.com, rc040203(a)freenet.de,
                    tcallawa(a)redhat.com



/usr/bin/perl is not linked with -z now. The -z now is defined by
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld:

gcc -o libperl.so -shared -O2 -g -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic -Wl,-z,relro
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld -L/usr/local/lib -Wl,-soname
-Wl,libperl.so.5.22 op.o perl.o  gv.o toke.o perly.o pad.o regcomp.o dump.o
util.o mg.o reentr.o mro_core.o keywords.o hv.o av.o run.o pp_hot.o sv.o pp.o
scope.o pp_ctl.o pp_sys.o doop.o doio.o regexec.o utf8.o taint.o deb.o
universal.o globals.o perlio.o perlapi.o numeric.o mathoms.o locale.o pp_pack.o
pp_sort.o caretx.o  perldtrace.o DynaLoader.o -lpthread -lresolv -lnsl -ldl -lm
-lcrypt -lutil -lc
Processing extracted/DCombiningClass.txt
Processing extracted/DNumType.txt
gcc -o perl -fstack-protector-strong -L/usr/local/lib -Wl,--enable-new-dtags
perlmain.o  libperl.so `cat ext.libs` -lpthread -lresolv -lnsl -ldl -lm -lcrypt
-lutil -lc

The reason is we configure perl as:

/bin/sh Configure -des -Doptimize="$RPM_OPT_FLAGS" \
        -Dccdlflags="-Wl,--enable-new-dtags" \
        -Dlddlflags="-shared $RPM_OPT_FLAGS $RPM_LD_FLAGS" \

The $RPM_LD_FLAGS should go into ccdlflags too. ccdlflags is for linking
programs dynamycally, lddlflags if for linking libraries dynamically.

Configure supports ldflags, but I worry this is has to be actively used by
Makefile.PLs, so it is not much helpful.

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