On Tue, Nov 14, 2017 at 2:07 AM, Florian Weimer <fwei...@redhat.com> wrote:
> On 11/14/2017 03:54 AM, Philip Kovacs wrote:
>>
>> One concern is that -Wl,--as-needed requires greater accuracy with the
>> ordering of objects and
>> libraries as you link. Also, if a package uses a library indirectly,
>> i.e. A uses C via B: A -> B -> C,--as-needed will peel away C and break A
>> unless A explicitly mentions its need for C.
>
>
> I think ld no longer links against symbols in indirect dependencies.
>
> #include <openssl/evp.h>
> int
> main()
> {
> return (int) &EVP_rc4;
> }
>
> /usr/bin/ld: /tmp/ccV4cmYY.o: undefined reference to symbol
> 'EVP_rc4@@OPENSSL_1_1_0'
> //usr/lib64/libcrypto.so.1.1: error adding symbols: DSO missing from command
> line
> collect2: error: ld returned 1 exit status
>
I've only seen this with OpenSSL, so I think it's specific to that library.
--
真実はいつも一つ！/ Always, there's only one truth!
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