[openssl-users] Symbol(s) not found _TLSv1_2_method _BIO_test_flags

Dan S danchik at rebelbase.com
Mon Jun 13 20:16:24 UTC 2016


sorry forgot to mantion that after linking with all the paths set it
produces the single error (one from before: Symbol(s) not found
_TLS1_2_method referenced from _main in main.o

On Mon, Jun 13, 2016 at 1:14 PM, Dan S <danchik at rebelbase.com> wrote:

> I did this step at a time to see what happens and here are the results:
>
> With no paths modified, just bare code produces compile error
> ('TLSv1_2_method' was not declared at this scope) as expected because
> openssl that comes osx 10.6 is older without such method - ok so far
>
> Adding header paths to the 1.0.2h now compiles but then produces linking
> Symbols(s) not found: _TLS1_2_method referenced from _main in main.o  and
> _SSL_CTX_new referenced  - also means wrong path since it doesn't even see
> the SSL_CTX_new, ok so far
>
> adding new lib paths: and the libs to include m annually via -Lpath and
> -llib flags :
>
> /Developer/usr/bin/g++-4.2 -arch x86_64 -isysroot
> /Developer/SDKs/MacOSX10.6.sdk
> -L/Volumes/MacintoshHD/w/testss3/build/Debug
> -L/Volumes/MacintoshHD/w/native_3rdparty/openssl.1.0.2h
> -F/Volumes/MacintoshHD/w/testss3/build/Debug
> -filelist
> /Volumes/MacintoshHD/w/testss3/build/testss3.build/Debug/testss3.build/Objects-normal/x86_64/testss3.LinkFileList
>
> -mmacosx-version-min=10.6
> -lcrypto
> -lssl
> -o /Volumes/MacintoshHD/w/testss3/build/Debug/testss3
>
> (ps, the -filelist ...../testss3.LinkFileList contains single path to the
> main.o)
>
> So to me this looks like 1.0.2h did not compile with TLSv1_2_method (and I
> can not find the object that implements it either, only see that it is
> referenced from s23_meth.o)
>
> I am thinking there is an .o missing from linking of libssl.a but can't
> find what object has the implementation of TLSv1_2_method
>
> (I've even got rid of all the spaces in all the paths before compiling
> openssl, make had issues installing across paths with spaces)
>
>
> On Sun, Jun 12, 2016 at 2:24 AM, Axel Luttgens <axel.luttgens at skynet.be>
> wrote:
>
>> > Le 9 juin 2016 à 02:29, Dan S a écrit :
>> >
>> > Hello, I've compiled openssl.1.0.2h on osx (32bit) and linked staticly
>> my project with libcrypto.a and libssl/a, but I get 2 linking errors with
>> "Symbol(s) not found":
>> >
>> > _TLSv1_2_method, referenced from ...
>> > and
>> > _BIO_test_flags, referenced from ...
>> >
>> > Why would this be happening?
>>
>> Hello Dan,
>>
>> Difficult to tell from here. ;-)
>>
>> What (and how) are you trying to compile?
>>
>>
>> > Le 11 juin 2016 à 04:56, Dan S a écrit :
>> >
>> > I've also tried 1.0.2g and same problem on osx.  Little more details:
>> on pc the expected symbol (_TLSv1_2_method) is in the ssleay32.lib as
>> expected
>> >
>> > on mac (and this is specifically on 10.5 and 10.6 Darwin i386) it
>> builds two libs:
>> >
>> > libcrypto.a and libssl.a (the undefined symbol is showing up in
>> libssl.a but as undefined in lib itself) using `nm libssl.a`:
>> >
>> > […]
>> >
>> > it seems there is an object maybe missing from when it was linked.
>>
>> This may also mean that they are expected to be defined somewhere else.
>>
>> As a minimal test case, could you try to compile this one:
>>
>>         #include <openssl/ssl.h>
>>
>>         int main()
>>         {
>>                 SSL_CTX * ctx;
>>                 ctx = SSL_CTX_new(TLSv1_2_method());
>>         }
>>
>> so as to check the consistency of the -I, -L and -l options passed to gcc?
>>
>> Axel
>>
>> --
>> openssl-users mailing list
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>>
>
>
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