Without the change build on upstream gcc-10 fails as:
ld: mkclgc.a(pthread_start.o):(.bss+0x0): multiple definition of
`MK_GC_jmp_buf'; mkclgc.a(alloc.o):(.bss+0xc0): first defined here
A recent glibc update removed the deprecated/non-standard
const char *const sys_siglist[];
array which contained textual descriptions of the various signal codes.
The attached patch is merged to master but has not yet been released.
The following parameters are now available:
* hardeningDisable
To disable specific hardening flags
* hardeningEnable
To enable specific hardening flags
Only the cc-wrapper supports this right now, but these may be reused by
other wrappers, builders or setup hooks.
cc-wrapper supports the following flags:
* fortify
* stackprotector
* pie (disabled by default)
* pic
* strictoverflow
* format
* relro
* bindnow
The most complex problems were from dealing with switches reverted in
the meantime (gcc5, gmp6, ncurses6).
It's likely that darwin is (still) broken nontrivially.
