[llvm-bugs] [Bug 28999] New: 'ld -v' only prints version number and exits (behaviour differs from GNU ld)

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28999

            Bug ID: 28999
           Summary: 'ld -v' only prints version number and exits
                    (behaviour differs from GNU ld)
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: emaste at freebsd.org
                CC: llvm-bugs at lists.llvm.org
            Blocks: 23214
    Classification: Unclassified

When invoked with the -v option in addition to a full link command line, GNU ld
will print the version information and then proceed with the link. lld prints
the version number and then exits.

This is an issue because GCC's verbose mode (gcc -v) in turn passes -v in the
linker invocation.

lld:

% ./ld -v --eh-frame-hdr -dynamic-linker /libexec/ld-elf.so.1 --hash-style=both
--enable-new-dtags -o a.out /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o
-L/usr/lib hello.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc
--as-needed -lgcc_s --no-as-needed /usr/lib/crtend.o /usr/lib/crtn.o
LLD 4.0 (git+ssh://feynman/tank/emaste/src/llvm/tools/lld
2bc88e3c7db45dc4a76baef6b400e5703e973dc8)
% ls a.out
ls: a.out: No such file or directory

GNU ld:

% ld -v --eh-frame-hdr -dynamic-linker /libexec/ld-elf.so.1 --hash-style=both
--enable-new-dtags -o a.out /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o
-L/usr/lib hello.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc
--as-needed -lgcc_s --no-as-needed /usr/lib/crtend.o /usr/lib/crtn.o 
GNU ld 2.17.50 [FreeBSD] 2007-07-03
% ls a.out
a.out

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