Re: [Mingw-cross-env-list] libssh2.a undefined references

[Mark Brand]

Jamie Lahowetz wrote:
> Im trying to cross compile my program using autotools, a first for me. 
> after running
> /configure --prefix=/home/deadpickle/hprcc_terminal/test/ 
> --host=i686-pc-mingw32
> make
>
> I get the errors:
> home/deadpickle/mxe/usr/i686-pc-mingw32/lib/libssh2.a(global.o):global.c:(.text+0x21): 
> undefined reference to `gcry_control'
> /home/deadpickle/mxe/usr/i686-pc-mingw32/lib/libssh2.a(session.o):session.c:(.text+0x9ed): 
> undefined reference to address@hidden'
> /home/deadpickle/mxe/usr/i686-pc-mingw32/lib/libssh2.a(session.o):session.c:(.text+0x24ec): 
> undefined reference to address@hidden'
> /home/deadpickle/mxe/usr/i686-pc-mingw32/lib/libssh2.a(session.o):session.c:(.text+0x25b3): 
> undefined reference to address@hidden'
> (Many more)
>
> not sure what they mean so what am i doing wrong?

Hi Jamie,

You have to explicitly link to the libraries that provide these symbols. 
For some reason, your configure script isn't picking up the dependencies 
of libssh2. Pkg-config lists them

    i686-pc-mingw32-pkg-config --libs-only-l libssh2

    -lssh2 -lgcrypt -lgpg-error -lws2_32

This often "just works" because good configure scripts make use of 
pkg-config. You could try to fix your configure, but if you're in a 
hurry you might just try to help the configure script like this:

    ./configure \
        --prefix=/home/deadpickle/hprcc_terminal/test/ \
        --host=i686-pc-mingw32 \
        LIBS="`i686-pc-mingw32-pkg-config --libs-only-l libssh2`"

Mark