granicus.if.org Git - postgresql/blob - config/python.m4

   1 #
   2 # Autoconf macros for configuring the build of Python extension modules
   3 #
   4 # $Header: /cvsroot/pgsql/config/python.m4,v 1.5 2002/09/04 22:54:18 petere Exp $
   5 #
   6
   7 # PGAC_PATH_PYTHON
   8 # ----------------
   9 # Look for Python and set the output variable 'PYTHON'
  10 # to 'python' if found, empty otherwise.
  11 AC_DEFUN([PGAC_PATH_PYTHON],
  12 [AC_PATH_PROG(PYTHON, python)
  13 if test x"$PYTHON" = x""; then
  14   AC_MSG_ERROR([Python not found])
  15 fi
  16 ])
  17
  18
  19 # _PGAC_CHECK_PYTHON_DIRS
  20 # -----------------------
  21 # Determine the name of various directory of a given Python installation.
  22 AC_DEFUN([_PGAC_CHECK_PYTHON_DIRS],
  23 [AC_REQUIRE([PGAC_PATH_PYTHON])
  24 AC_MSG_CHECKING([Python installation directories])
  25 python_version=`${PYTHON} -c "import sys; print sys.version[[:3]]"`
  26 python_prefix=`${PYTHON} -c "import sys; print sys.prefix"`
  27 python_execprefix=`${PYTHON} -c "import sys; print sys.exec_prefix"`
  28 python_configdir="${python_execprefix}/lib/python${python_version}/config"
  29 python_moduledir="${python_prefix}/lib/python${python_version}/site-packages"
  30 python_moduleexecdir="${python_execprefix}/lib/python${python_version}/site-packages"
  31 python_includespec="-I${python_prefix}/include/python${python_version}"
  32 if test "$python_prefix" != "$python_execprefix"; then
  33   python_includespec="-I${python_execprefix}/include/python${python_version} $python_includespec"
  34 fi
  35
  36 AC_SUBST(python_version)[]dnl
  37 AC_SUBST(python_prefix)[]dnl
  38 AC_SUBST(python_execprefix)[]dnl
  39 AC_SUBST(python_configdir)[]dnl
  40 AC_SUBST(python_moduledir)[]dnl
  41 AC_SUBST(python_moduleexecdir)[]dnl
  42 AC_SUBST(python_includespec)[]dnl
  43 # This should be enough of a message.
  44 if test "$python_prefix" != "$python_execprefix"; then
  45   AC_MSG_RESULT([$python_prefix/lib/python${python_version} and $python_execprefix/lib/python${python_version}])
  46 else
  47   AC_MSG_RESULT([$python_prefix/lib/python${python_version}])
  48 fi
  49 ])# _PGAC_CHECK_PYTHON_DIRS
  50
  51
  52 # PGAC_CHECK_PYTHON_MODULE_SETUP
  53 # ------------------------------
  54 # Finds things required to build a Python extension module.
  55 # This used to do more, that's why it's separate.
  56 #
  57 # It would be nice if we could check whether the current setup allows
  58 # the build of the shared module. Future project.
  59 AC_DEFUN([PGAC_CHECK_PYTHON_MODULE_SETUP],
  60 [
  61   AC_REQUIRE([_PGAC_CHECK_PYTHON_DIRS])
  62 ])# PGAC_CHECK_PYTHON_MODULE_SETUP
  63
  64
  65 # PGAC_CHECK_PYTHON_EMBED_SETUP
  66 # -----------------------------
  67 # Courtesy of the INN 2.3.1 package...
  68 AC_DEFUN([PGAC_CHECK_PYTHON_EMBED_SETUP],
  69 [AC_REQUIRE([_PGAC_CHECK_PYTHON_DIRS])
  70 AC_MSG_CHECKING([how to link an embedded Python application])
  71
  72 if test ! -f "$python_configdir/Makefile"; then
  73   AC_MSG_RESULT(no)
  74   AC_MSG_ERROR([Python Makefile not found])
  75 fi
  76
  77 _python_libs=`grep '^LIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
  78 _python_libc=`grep '^LIBC=' $python_configdir/Makefile | sed 's/^.*=//'`
  79 _python_libm=`grep '^LIBM=' $python_configdir/Makefile | sed 's/^.*=//'`
  80 _python_liblocalmod=`grep '^LOCALMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
  81 _python_libbasemod=`grep '^BASEMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
  82
  83 pgac_tab="      " # tab character
  84 python_libspec=`echo X"-L$python_configdir $_python_libs $_python_libc $_python_libm -lpython$python_version $_python_liblocalmod $_python_libbasemod" | sed -e 's/^X//' -e "s/[[ $pgac_tab]][[ $pgac_tab]]*/ /g"`
  85
  86 AC_MSG_RESULT([${python_libspec}])
  87
  88 AC_SUBST(python_libspec)[]dnl
  89 ])# PGAC_CHECK_PYTHON_EMBED_SETUP