[Bug ld/29512] New: ld non-canon ref to canon protected function check breaks Solaris/x86

[ro at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29512

            Bug ID: 29512
           Summary: ld non-canon ref to canon protected function check
                    breaks Solaris/x86
           Product: binutils
           Version: 2.39
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: ro at gcc dot gnu.org
                CC: hjl.tools at gmail dot com
  Target Milestone: ---
              Host: i?86-pc-solaris2.11
            Target: i?86-pc-solaris2.11
             Build: i?86-pc-solaris2.11

While I'd successfully bootstrapped gcc trunk with binutils from the 2.39
branch
on Solaris 11.4/x86 some time ago,trying the same with the actual release
broke:

genmatch fails to link with

/vol/gcc/bin/gld-2.39: ../libcpp/libcpp.a(macro.o): non-canonical reference to
canonical protected function `gmtime@@SYSVABI_1.3' in /lib/libc.so
/vol/gcc/bin/gld-2.39: failed to set dynamic section sizes: bad value
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:3040: build/genmatch] Error 1

>From the description of the patch introducing this (late in the 2.39 release
cycle), I get the impression that this imposes a glibc requirement on all x86
ELF
targets.

By disabling the check in bfd/elf32-i386.c and bfd/elf64-x86-64.c, I managed to
finish the bootstrap successfully.

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