On Sun, Jul 23, 2017 at 2:10 AM, Justin Cinkelj <justin.cink...@gmail.com>
wrote:
> I didn't want to include every it-might-be-actually-required library from
> the build system.
>
But did you, or did you not?
> Complete list from my system is:
> justin_cinkelj@jcpc:~/devel/mikelangelo/osv-fc25/osv/apps/python27$ ldd
> ROOTFS/lib/python2.7/lib-dynload/*so | grep -v -e '^ROOTFS/' | sed
> 's/(0x.*)//' | sort | uniq | awk '{print $3}'
>
> /lib64/libbz2.so.1
> /lib64/libcom_err.so.2
> /lib64/libcrypto.so.10
> /lib64/libcrypt.so.1
>
We had the same issue with Java. Each of these libraries are needed to
support some specific feature of python - e.g., "libcrypto" is probably
needed only if you use some encryption function, but you can write a fully
functional Python program which never calls any of this encryption stuff.
What we did in Java is to upload *all* the libraries that could possibly be
needed into the image. The result is not small, but is comprehensive. A
user which wants a smaller image for running only a specific Python program
can try to remove various things from the image and see what is the
smallest set which is enough.
> /lib64/libc.so.6
> /usr/lib64/libc.so.6
> /usr/lib64/libdb-5.3.so
> /lib64/libdl.so.2
> /usr/lib64/libdl.so.2
> /lib64/libfreebl3.so
> /lib64/libgdbm_compat.so.4
> /lib64/libgdbm.so.4
> /lib64/libgssapi_krb5.so.2
> /lib64/libk5crypto.so.3
> /lib64/libkeyutils.so.1
> /lib64/libkrb5.so.3
> /lib64/libkrb5support.so.0
> /lib64/libm.so.6
> /usr/lib64/libm.so.6
> /lib64/libncursesw.so.6
> /lib64/libnsl.so.1
> /lib64/libpanelw.so.6
> /lib64/libpcre.so.1
> /lib64/libpthread.so.0
> /usr/lib64/libpthread.so.0
> /lib64/libpython2.7.so.1.0
> /usr/lib64/libpython2.7.so.1.0
>
Hmm, so you *are* taking libpython2.7.so from your build machine - not the
one which you built yourself in the Makefile?
This means you don't need to build it yourself in the Makefile - just the
tiny "python" executable.
> /lib64/libreadline.so.6
> /lib64/libresolv.so.2
> /lib64/libselinux.so.1
> /lib64/libssl.so.10
> /lib64/libtinfo.so.6
> /lib64/libutil.so.1
> /usr/lib64/libutil.so.1
> /lib64/libz.so.1
>
> I'm not sure if there is anything absolutely required.
>
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