On 19.07.2011 07:20, [email protected] wrote:
Actually, I was advised to put libssl after libcrypto.
I'm afraid that is the wrong order. See below.
I don't recall being told to put libssl after libldap.
Yep, may be. The rule is that libs with objects that are used
by another lib must be placed after that lib. Since libldap
uses libssl, libldap must be placed before libssl.
Also, knowing that order matters is of little use if you don't grasp
what the order should be.
That's true, but sometimes you can guess or you see that one library
needs another one by looking at the error messages:
*From:* [email protected] <mailto:[email protected]>
*Sent:* Monday, July 18, 2011 4:46 PM
I put the -static where it belongs. Here is a partial list of the
output:
/usr/lib/gcc/i586-redhat-linux/4.4.1/../../../libldap.a(tls_o.o):
In function `tlso_sb_close':
(.text+0xa6): undefined reference to `SSL_shutdown'
Here you see that the function tlso_sb_close needs SSL_shutdown
and that tlso_sb_close is in tls_o.o, which is in libldap.a.
Guess, where you can find SSL_shutdown? ;-)
Here is a simplified example that links statically with libssl
(and libcrypto), but not with libldap:
g++ -o my_prog.exe my_prog.o ../../my_lib/mylib.a \
-static /usr/local/xx/lib/libtiff.a \
/usr/local/xx/lib/libssl.a /usr/local/xx/lib/libcrypto.a \
-lws2_32
Since libldap needs libssl, you can put it where the example
has libtiff.a (you won't need that anyway, it's only an example),
and you should be done ... unless libldap has other dependencies
on libs that are not mentioned here. You'd need to look up this
in the libldap docs.
HTH
--
Regards
Albrecht
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