[745] | 1 | dnl Autoconf macros for finding a Python development environment
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| 2 | dnl
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| 3 | dnl Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
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| 4 | dnl Published under the GNU GPL, v3 or later
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| 5 | dnl
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| 6 | AC_ARG_VAR([PYTHON_VER],[The installed Python
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| 7 | version to use, for example '2.3'. This string
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| 8 | will be appended to the Python interpreter
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| 9 | canonical name.])
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| 10 |
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| 11 | AC_DEFUN([TRY_LINK_PYTHON],
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| 12 | [
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| 13 | if test $working_python = no; then
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| 14 | ac_save_LIBS="$LIBS"
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| 15 | ac_save_CFLAGS="$CFLAGS"
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| 16 | LIBS="$LIBS $1"
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| 17 | CFLAGS="$CFLAGS $2"
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| 18 |
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| 19 | AC_TRY_LINK([
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| 20 | #undef HAVE_UINTPTR_T
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| 21 | /* we have our own configure tests */
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| 22 | #include <Python.h>
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| 23 | ],[
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| 24 | Py_InitModule(NULL, NULL);
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| 25 | ],[
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| 26 | PYTHON_LDFLAGS="$1"
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| 27 | PYTHON_CFLAGS="$2"
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| 28 | working_python=yes
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| 29 | ])
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| 30 | LIBS="$ac_save_LIBS"
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| 31 | CFLAGS="$ac_save_CFLAGS"
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| 32 | fi
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| 33 | ])
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| 34 |
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| 35 | dnl Try to find a Python implementation including header files
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| 36 | dnl AC_SAMBA_PYTHON_DEVEL(RUN-IF-FOUND, RUN-IF-NOT-FOUND)
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| 37 | dnl
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| 38 | dnl Will set the following variables:
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| 39 | dnl $PYTHON
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| 40 | dnl $PYTHON_CONFIG (if found)
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| 41 | dnl $PYTHON_CFLAGS
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| 42 | dnl $PYTHON_LDFLAGS
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| 43 | AC_DEFUN([AC_SAMBA_PYTHON_DEVEL],
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| 44 | [
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| 45 | if test -z "$PYTHON_VER"; then
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| 46 | AC_PATH_PROGS([PYTHON], [python2.6 python2.5 python2.4 python])
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| 47 | else
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| 48 | AC_PATH_PROG([PYTHON],[python[$PYTHON_VER]])
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| 49 | fi
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| 50 | if test -z "$PYTHON"; then
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| 51 | working_python=no
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| 52 | AC_MSG_WARN([No python found])
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| 53 | fi
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| 54 |
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| 55 | dnl assume no working python
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| 56 | working_python=no
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| 57 |
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| 58 | if test -z "$PYTHON_VER"; then
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| 59 | AC_PATH_PROGS([PYTHON_CONFIG], [python2.6-config python2.5-config python2.4-config python-config])
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| 60 | else
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| 61 | AC_PATH_PROG([PYTHON_CONFIG], [python[$PYTHON_VER]-config])
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| 62 | fi
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| 63 |
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| 64 | if test -z "$PYTHON_CONFIG"; then
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| 65 | AC_MSG_WARN([No python-config found])
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| 66 | else
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| 67 | TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
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| 68 | TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
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| 69 | if test x$working_python = xno; then
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| 70 | # It seems the library path isn't included on some systems
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| 71 | base=`$PYTHON_CONFIG --prefix`
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| 72 | TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
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| 73 | TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
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| 74 | fi
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| 75 | fi
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| 76 |
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| 77 | if test x$PYTHON != x
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| 78 | then
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| 79 | DISTUTILS_CFLAGS=`$PYTHON -c "from distutils import sysconfig; \
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| 80 | print '-I%s -I%s %s' % ( \
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| 81 | sysconfig.get_python_inc(), \
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| 82 | sysconfig.get_python_inc(plat_specific=1), \
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| 83 | sysconfig.get_config_var('CFLAGS'))"`
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| 84 | DISTUTILS_LDFLAGS=`$PYTHON -c "from distutils import sysconfig; \
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| 85 | print '%s %s -lpython%s -L%s %s -L%s' % ( \
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| 86 | sysconfig.get_config_var('LIBS'), \
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| 87 | sysconfig.get_config_var('SYSLIBS'), \
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| 88 | sysconfig.get_config_var('VERSION'), \
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| 89 | sysconfig.get_config_var('LIBDIR'), \
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| 90 | sysconfig.get_config_var('LDFLAGS'), \
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| 91 | sysconfig.get_config_var('LIBPL'))"`
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| 92 | TRY_LINK_PYTHON($DISTUTILS_LDFLAGS, $DISTUTILS_CFLAGS)
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| 93 |
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| 94 | if `$PYTHON -c "import sys; sys.exit(sys.version_info.__getslice__(0, 2) >= (2, 4))"`
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| 95 | then
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| 96 | AC_MSG_WARN([Python ($PYTHON) is too old. At least version 2.4 is required])
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| 97 | working_python=no
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| 98 | fi
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| 99 | fi
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| 100 |
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| 101 | AC_MSG_CHECKING(working python module support)
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| 102 | if test $working_python = yes; then
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| 103 | AC_MSG_RESULT([yes])
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| 104 | $1
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| 105 | else
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| 106 | AC_MSG_RESULT([no])
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| 107 | $2
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| 108 | fi
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| 109 | ])
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| 110 |
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| 111 |
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