How to get the list of options that Python was compiled with?

Question

You can compile Python in various ways. I\'d like to find out with which options my Python was compiled.

Concrete use-case: was my Python compiled with readline? I k

Answer 1

To build on mirk's answer, to find the configure flags that were actually used during the build, the value you're looking for is CONFIG_ARGS.

For example, this is the output for an Ubuntu-compiled Python:

>>> print distutils.sysconfig.get_config_var('CONFIG_ARGS')
'--enable-shared' '--prefix=/usr' '--enable-ipv6'
'--enable-unicode=ucs4' '--with-dbmliborder=bdb:gdbm'
'--with-system-expat' '--with-system-ffi' '--with-fpe ctl'
'CC=x86_64-linux-gnu-gcc' 'CFLAGS=-D_FORTIFY_SOURCE=2 -g
-fstack-protector --param=ssp-buffer-size=4 -Wformat
-Werror=format-security ' 'LDFLAGS=-Wl,-Bs ymbolic-functions
-Wl,-z,relro'