[Bug libctf/27297] New: libctf.a malformed, build fails on x86_64-apple-darwin18.7.0

[casner at acm dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27297

            Bug ID: 27297
           Summary: libctf.a malformed, build fails on
                    x86_64-apple-darwin18.7.0
           Product: binutils
           Version: 2.36
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libctf
          Assignee: unassigned at sourceware dot org
          Reporter: casner at acm dot org
  Target Milestone: ---

Created attachment 13182
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13182&action=edit
2.36 build log

I first encountered this problem when trying to build a pdp11-aout cross on
x86_64-apple-darwin18.7.0, but the problem is there for the native build as
well.  I have not tested to see if other hosts are affected (this is all I
have).  This build is using the macOS system tools (clang, etc.).

This problem does NOT occur with 2.35.2.  It DOES occur with 2.36 and HEAD.

The problem arises here:

/bin/sh ./libtool  --tag=CC   --mode=link gcc -std=gnu99 -Wall -W -Wall
-Wno-narrowing -Wwrite-strings -Wmissing-format-attribute -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -pedantic -Wno-long-long 
-I/Users/casner/src/gnu/binutils-gdb/libctf/../zlib -g -O2     -version-info
0:0:0  -export-symbols-regex ctf_.* -Wl,-no_pie  -o libctf.la -rpath
/usr/local/lib libctf_la-ctf-archive.lo libctf_la-ctf-dump.lo
libctf_la-ctf-create.lo libctf_la-ctf-decl.lo libctf_la-ctf-error.lo
libctf_la-ctf-hash.lo libctf_la-ctf-labels.lo libctf_la-ctf-dedup.lo
libctf_la-ctf-link.lo libctf_la-ctf-lookup.lo libctf_la-ctf-open.lo
libctf_la-ctf-sha1.lo libctf_la-ctf-string.lo libctf_la-ctf-subr.lo
libctf_la-ctf-types.lo libctf_la-ctf-util.lo  libctf_la-ctf-open-bfd.lo
../bfd/libbfd.la
-L/Users/casner/src/gnu/binutils-gdb/native/libctf/../libiberty -liberty
./../intl/libintl.a -liconv -L./../zlib -lz 

*** Warning: Linking the shared library libctf.la against the
*** static library ./../intl/libintl.a is not portable!
libtool: link: ar  rc .libs/libctf.a ./../intl/libintl.a 
libctf_la-ctf-archive.o libctf_la-ctf-dump.o libctf_la-ctf-create.o
libctf_la-ctf-decl.o libctf_la-ctf-error.o libctf_la-ctf-hash.o
libctf_la-ctf-labels.o libctf_la-ctf-dedup.o libctf_la-ctf-link.o
libctf_la-ctf-lookup.o libctf_la-ctf-open.o libctf_la-ctf-sha1.o
libctf_la-ctf-string.o libctf_la-ctf-subr.o libctf_la-ctf-types.o
libctf_la-ctf-util.o libctf_la-ctf-open-bfd.o

This causes libctf.a to contain libintl.a as its first component file:

auge48> ar -t libctf/.libs/libctf.a
__.SYMDEF SORTED
libintl.a
libctf_la-ctf-archive.o
libctf_la-ctf-dump.o
libctf_la-ctf-create.o
libctf_la-ctf-decl.o
libctf_la-ctf-error.o
libctf_la-ctf-hash.o
libctf_la-ctf-labels.o
libctf_la-ctf-dedup.o
libctf_la-ctf-link.o
libctf_la-ctf-lookup.o
libctf_la-ctf-open.o
libctf_la-ctf-sha1.o
libctf_la-ctf-string.o
libctf_la-ctf-subr.o
libctf_la-ctf-types.o
libctf_la-ctf-util.o
libctf_la-ctf-open-bfd.o

That causes the link of objdump to fail, ending the build:

libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Werror -I/Users/casner/src/gnu/binutils-gdb/binutils/../zlib -g -O2
-Wl,-no_pie -o objdump objdump.o dwarf.o prdbg.o rddbg.o debug.o stabs.o
rdcoff.o bucomm.o version.o filemode.o elfcomm.o od-macho.o 
../opcodes/.libs/libopcodes.a ../libctf/.libs/libctf.a
-L/Users/casner/src/gnu/binutils-gdb/native/zlib
-L/Users/casner/src/gnu/binutils-gdb/native/libctf/../libiberty
/Users/casner/src/gnu/binutils-gdb/native/bfd/.libs/libbfd.a -liberty
../bfd/.libs/libbfd.a -ldl -lz ../libiberty/libiberty.a ./../intl/libintl.a
-liconv
ld: warning: ignoring file ../libctf/.libs/libctf.a, building for macOS-x86_64
but attempting to link with file built for macOS-x86_64
Undefined symbols for architecture x86_64:
  "_ctf_archive_iter", referenced from:
      _dump_bfd in objdump.o
  "_ctf_bfdopen_ctfsect", referenced from:
      _dump_bfd in objdump.o
  "_ctf_close", referenced from:
      _dump_bfd in objdump.o
  "_ctf_dict_close", referenced from:
      _dump_bfd in objdump.o
  "_ctf_dict_open", referenced from:
      _dump_bfd in objdump.o
  "_ctf_dump", referenced from:
      _dump_ctf_archive_member in objdump.o
  "_ctf_errmsg", referenced from:
      _dump_bfd in objdump.o
      _dump_ctf_errs in objdump.o
      _dump_ctf_archive_member in objdump.o
  "_ctf_errno", referenced from:
      _dump_ctf_archive_member in objdump.o
  "_ctf_errwarning_next", referenced from:
      _dump_ctf_errs in objdump.o
  "_ctf_import", referenced from:
      _dump_ctf_archive_member in objdump.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

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