Return to python.m4 CVS log

Up to [PostgreSQL CVS Repository] / pgsql / config

Annotation of pgsql/config/python.m4, revision 1.17

1.1       petere      1: #
                      2: # Autoconf macros for configuring the build of Python extension modules
                      3: #
1.17    ! petere      4: # $PostgreSQL: pgsql/config/python.m4,v 1.16 2009/10/14 21:59:15 petere Exp $
1.1       petere      5: #
                      6: 
1.2       petere      7: # PGAC_PATH_PYTHON
1.1       petere      8: # ----------------
1.4       petere      9: # Look for Python and set the output variable 'PYTHON'
                     10: # to 'python' if found, empty otherwise.
1.2       petere     11: AC_DEFUN([PGAC_PATH_PYTHON],
                     12: [AC_PATH_PROG(PYTHON, python)
                     13: if test x"$PYTHON" = x""; then
                     14:   AC_MSG_ERROR([Python not found])
                     15: fi
                     16: ])
                     17: 
                     18: 
                     19: # _PGAC_CHECK_PYTHON_DIRS
                     20: # -----------------------
1.11      tgl        21: # Determine the name of various directories of a given Python installation.
1.2       petere     22: AC_DEFUN([_PGAC_CHECK_PYTHON_DIRS],
                     23: [AC_REQUIRE([PGAC_PATH_PYTHON])
1.8       joe        24: AC_MSG_CHECKING([for Python distutils module])
1.16      petere     25: if "${PYTHON}" -c 'import distutils' 2>&AS_MESSAGE_LOG_FD
1.8       joe        26: then
                     27:     AC_MSG_RESULT(yes)
                     28: else
                     29:     AC_MSG_RESULT(no)
                     30:     AC_MSG_ERROR([distutils module not found])
                     31: fi
1.10      tgl        32: AC_MSG_CHECKING([Python configuration directory])
1.17    ! petere     33: python_majorversion=`${PYTHON} -c "import sys; print(sys.version[[0]])"`
1.15      petere     34: python_version=`${PYTHON} -c "import sys; print(sys.version[[:3]])"`
                     35: python_configdir=`${PYTHON} -c "from distutils.sysconfig import get_python_lib as f; import os; print(os.path.join(f(plat_specific=1,standard_lib=1),'config'))"`
                     36: python_includespec=`${PYTHON} -c "import distutils.sysconfig; print('-I'+distutils.sysconfig.get_python_inc())"`
1.2       petere     37: 
1.17    ! petere     38: AC_SUBST(python_majorversion)[]dnl
1.10      tgl        39: AC_SUBST(python_version)[]dnl
1.2       petere     40: AC_SUBST(python_configdir)[]dnl
1.3       petere     41: AC_SUBST(python_includespec)[]dnl
                     42: # This should be enough of a message.
1.10      tgl        43: AC_MSG_RESULT([$python_configdir])
1.2       petere     44: ])# _PGAC_CHECK_PYTHON_DIRS
                     45: 
                     46: 
                     47: # PGAC_CHECK_PYTHON_EMBED_SETUP
                     48: # -----------------------------
1.11      tgl        49: #
                     50: # Note: selecting libpython from python_configdir works in all Python
                     51: # releases, but it generally finds a non-shared library, which means
                     52: # that we are binding the python interpreter right into libplpython.so.
                     53: # In Python 2.3 and up there should be a shared library available in
                     54: # the main library location.
1.2       petere     55: AC_DEFUN([PGAC_CHECK_PYTHON_EMBED_SETUP],
                     56: [AC_REQUIRE([_PGAC_CHECK_PYTHON_DIRS])
                     57: AC_MSG_CHECKING([how to link an embedded Python application])
1.5       petere     58: 
1.15      petere     59: python_libdir=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBDIR'))))"`
                     60: python_ldlibrary=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LDLIBRARY'))))"`
                     61: python_so=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('SO'))))"`
1.11      tgl        62: ldlibrary=`echo "${python_ldlibrary}" | sed "s/${python_so}$//"`
                     63: 
                     64: if test x"${python_libdir}" != x"" -a x"${python_ldlibrary}" != x"" -a x"${python_ldlibrary}" != x"${ldlibrary}"
                     65: then
                     66:        # New way: use the official shared library
                     67:        ldlibrary=`echo "${ldlibrary}" | sed "s/^lib//"`
                     68:        python_libspec="-L${python_libdir} -l${ldlibrary}"
                     69: else
                     70:        # Old way: use libpython from python_configdir
                     71:        python_libdir="${python_configdir}"
                     72:        python_libspec="-L${python_libdir} -lpython${python_version}"
                     73: fi
                     74: 
1.15      petere     75: python_additional_libs=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','LOCALMODLIBS','BASEMODLIBS'))))"`
1.2       petere     76: 
1.11      tgl        77: AC_MSG_RESULT([${python_libspec} ${python_additional_libs}])
1.2       petere     78: 
1.11      tgl        79: AC_SUBST(python_libdir)[]dnl
1.2       petere     80: AC_SUBST(python_libspec)[]dnl
1.11      tgl        81: AC_SUBST(python_additional_libs)[]dnl
1.12      momjian    82: 
                     83: # threaded python is not supported on bsd's
                     84: AC_MSG_CHECKING(whether Python is compiled with thread support)
1.15      petere     85: pythreads=`${PYTHON} -c "import sys; print(int('thread' in sys.builtin_module_names))"`
1.12      momjian    86: if test "$pythreads" = "1"; then
                     87:   AC_MSG_RESULT(yes)
                     88:   case $host_os in
1.14      petere     89:   openbsd*|freebsd*)
                     90:     AC_MSG_ERROR([threaded Python not supported on this platform])
1.12      momjian    91:     ;;
                     92:   esac
                     93: else
                     94:   AC_MSG_RESULT(no)
                     95: fi
                     96: 
1.2       petere     97: ])# PGAC_CHECK_PYTHON_EMBED_SETUP