configure.ac:59: warning: The macro 'AC_PROG_LIBTOOL' is obsolete.
configure.ac:59: You should run autoupdate.
m4/libtool.m4:100: AC_PROG_LIBTOOL is expanded from...
configure.ac:59: the top level
configure.ac:92: warning: The macro 'AC_HELP_STRING' is obsolete.
configure.ac:92: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
./lib/autoconf/general.m4:1534: AC_ARG_ENABLE is expanded from...
configure.ac:92: the top level
configure.ac:101: warning: The macro 'AC_HELP_STRING' is obsolete.
configure.ac:101: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
./lib/autoconf/general.m4:1534: AC_ARG_ENABLE is expanded from...
configure.ac:101: the top level
configure.ac:154: warning: The macro 'AC_HELP_STRING' is obsolete.
configure.ac:154: You should run autoupdate.
./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
./lib/autoconf/general.m4:1534: AC_ARG_ENABLE is expanded from...
configure.ac:154: the top level
configure.ac:35: installing 'build-aux/compile'
configure.ac:37: installing 'build-aux/missing'
Makefile.am: installing 'build-aux/depcomp'
configure: WARNING: unrecognized options: --disable-api-docs, --disable-html-docs
configure: WARNING: unrecognized options: --disable-api-docs, --disable-html-docs
In file included from /usr/include/python2.7/Python.h:8,
                 from ../test/import-repeatedly.c:6:
/usr/include/python2.7/pyconfig.h:1292: warning: "_POSIX_C_SOURCE" redefined
 1292 | #define _POSIX_C_SOURCE 200112L
      | 
In file included from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ../test/import-repeatedly.c:4:
/usr/include/features.h:290: note: this is the location of the previous definition
  290 | # define _POSIX_C_SOURCE        200809L
      | 
libtool: warning: remember to run 'libtool --finish /usr/lib/python2.7/site-packages'