[squid-users] Linking with *SSL

[Pavel Timofeev]

2016-05-20 17:06 GMT+03:00 Amos Jeffries <squid3 at treenet.co.nz>:
> On 13/05/2016 1:33 a.m., Spil Oss wrote:
>>> Hi!
>>> When we worked on squid port on FreeBSD one of the FreeBSD user
>>> (Bernard Spil) noticed:
>>>
>>> When working on this, I ran into another issue. Perhaps maintainer can
>>> fix that with upstream. I've now added LIBOPENSSL_LIBS="-lcrypto
>>> -lssl" because of configure failing in configure.ac line 1348.
>>>
>>>> AC_CHECK_LIB(ssl,[SSL_library_init],[LIBOPENSSL_LIBS="-lssl $LIBOPENSSL_LIBS"],[AC_MSG_ERROR([library 'ssl' is required for OpenSSL])
>>>
>>> You cannot link against libssl when not linking libcrypto as well
>>> leading to an error with LibreSSL. This check should add -lcrypto in
>>> addition to -lssl to pass.
>>>
>>> Is this something someone could take a look at?
>>
>> Hi All,
>>
>> Sorry for replying out-of-thread.
>>
>> What happens is that the check for SSL_library_init fails as -lcrypto
>> is missing.
>>
>> Output from configure
>>
>>> checking for CRYPTO_new_ex_data in -lcrypto... yes
>>> checking for SSL_library_init in -lssl... no
>>> configure: error: library 'ssl' is required for OpenSSL
>>> ===>  Script "configure" failed unexpectedly.
>>
>> What I usually see in autoconf scripts is that temp CFLAGS etc are set
>> before the test for SSL libs and reversed after the test.
>>
>> Adding LIBOPENSSL_LIBS="-lcrypto -lssl" to configure works as well
>>
>> Would be great if you can fix this!
>>
>
> Hi, sorry for the long delay. Its been an interesting month.
>
> It seems we need to now stop relying on LIBS being set correctly by
> autoconf when consecutive AC_CHECK_LIB are done. I'm trying out a fix
> now and which should be in the next releases.
>
> FYI: Squid is increasingly using the pkg-config tool for resolving odd
> library dependencies. If it is available this broken check will never be
> reached.


Hi, Amos, Bernard!
I'm not sure if the 14679 patch changed anything.