Build Question: How to Add -Wl, --option Before Objects In

Ned Deily nad at
Sat Nov 1 11:52:44 CET 2014

In article 
<CAHu5PrbYMUzfs1AZYzPaN__51h7Q=4D5bfjM2EQOfx90OKxxNQ at>,
 Cyd Haselton <chaselton at> wrote:
> So, after trying various ways to add that flag before lpython in
>, I stripped all --allow-shlib-undefined
> --no-allow-shlib-undefined feom the Makefile, ran make clean, and
> make.
> I still get the following error:
> Modules/python.o \
>                 -lc -ldl -lm  -L. -lpython2.7   -lm
> ./ undefined reference to `sincos'
> collect2: error: ld returned 1 exit status
> make: *** [python] Error 1

I don't understand why you are seeing that problem *unless" you might be 
running into this issue that I found by searching for "sincos Android":

That looks awfully suspicious.  If it isn't that, I don't know what to 
tell you.  You could open an issue on the Python bug tracker 
( but we don't officially support Android so I doubt 
that will help much.  If you haven't already, you might try asking on 
some Android forums; I know other oddities of building things on Android 
have been reported.

Good luck!

 Ned Deily,
 nad at

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