OpenSSL on side [Was: Re: [ANN] M2Crypto 0.27.0]

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On 2017-10-10, 21:17 GMT, Blumenthal, Uri - 0553 - MITLL wrote:
> I have to report that this M2Crypto release is broken, as it 
> cannot find OpenSSL installed in /opt/local (apologies for 
> spamming multiple lists and people):

Feel free to file a ticket on 
https://gitlab.com/m2crypto/m2crypto/issues , no need to use 
mailing lists for issue tracker, when we have a proper one.  
I work on M2Crypto right now, so I see them immediately.

To your real problem: does --openssl set to /opt/local help? If 
you run

python setup.py clean build --openssl /opt/local

what happens? What is the generated swig line (which version you 
use?), and what are the two compiler lines (one for compilation, 
other for linking)?

> /usr/bin/clang -fno-strict-aliasing -fno-common -dynamic -pipe 

I have made so far all my testing with GCC (on Linux, there are 
some users on Mac OS X, so I guess CLang should work as well, 
but I have never tested it myself).

>     -Os -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes 
>     -I/opt/local/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 
>     -I/private/tmp/pip-build-lqb2R6/M2Crypto/SWIG -c 
>     SWIG/_m2crypto_wrap.c -o 
>     build/temp.macosx-10.12-x86_64-2.7/SWIG/_m2crypto_wrap.o 
>     -Wno-deprecated-declarations
>     SWIG/_m2crypto_wrap.c:2894:9: warning: variable 'res' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
>         if (PyType_Ready(tp) < 0)
>             ^~~~~~~~~~~~~~~~~~~~
>     SWIG/_m2crypto_wrap.c:2918:10: note: uninitialized use occurs here
>       return res;
>              ^~~
>     SWIG/_m2crypto_wrap.c:2894:5: note: remove the 'if' if its condition is always false
>         if (PyType_Ready(tp) < 0)
>         ^~~~~~~~~~~~~~~~~~~~~~~~~
>     SWIG/_m2crypto_wrap.c:2875:10: note: initialize the variable 'res' to silence this warning
>       int res;
>              ^
>               = 0

Just to note that this particular piece of code is generated 
completely by swig, I have nothing to do with it.

>     SWIG/_m2crypto_wrap.c:3554:10: fatal error: 'openssl/err.h' file not found
>     #include <openssl/err.h>
>              ^~~~~~~~~~~~~~~
>     1 warning and 1 error generated.
>     error: command '/usr/bin/clang' failed with exit status 1

Where do you actually have err.h? Manually settings CFLAGS and 
LDFLAGS should be followed by seutp.py, it can help as 
a workaround, but my dream is that plain settings of --openssl 
parameter should be sufficient.

Feel free to continue here, on on the issue tracker.

Best,

Matěj Cepl
-- 
http://matej.ceplovi.cz/blog/, Jabber: mcepl<at>ceplovi.cz
GPG Finger: 3C76 A027 CA45 AD70 98B5  BC1D 7920 5802 880B C9D8
 
Love doesn't just sit there, like a stone; it has to be made,
like bread, remade all the time, made new.
  -- Ursula K. LeGuin

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