We currently inject “-z now” hidden behind a -specs= option for the gcc
compiler driver. libtool drops this -specs= option from the linker
command line, but it preserves -Wl,-z,relro, so I'm trying whether
listing -Wl,-z,now directly improves the linker flag injection here.
I'm doing this in two stages and will remove -z now from the GCC specs
file only after I have rebuilt a couple of extension builders (python2,
python3, ruby), so that we do not lose -z now due to the
non-synchronized switchover between the hard-coded command line (in the
extension builder) and the GCC specs file contents (from redhat-rpm-config).
This will happen both in rawhide and Fedora 28.
Thanks,
Florian
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