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74 lines
2.2 KiB
Plaintext
74 lines
2.2 KiB
Plaintext
dnl local M4 configure macros
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dnl Brendan Cully <brendan@xiph.org>
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dnl $Id: xiph_path_python.m4,v 1.1 2003/06/13 19:22:16 brendan Exp $
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# XIPH_PATH_PYTHON(PATH)
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# Search for python in PATH, or in the path if none is given.
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# Defines PYTHON_CPPFLAGS and PYTHON_LIBS if found
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AC_DEFUN([XIPH_PATH_PYTHON],
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[
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m4_pushdef([xpp_path], [$1])
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PYTHON="no"
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if test "xpp_path" != "yes"
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then
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AC_MSG_CHECKING([python])
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if test -x "xpp_path"
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then
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PYTHON="xpp_path"
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fi
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AC_MSG_RESULT([$PYTHON])
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else
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AC_PATH_PROGS([PYTHON], [python python2 python2.3 python2.2])
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fi
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m4_popdef([xpp_path])
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if test "$PYTHON" != "no"
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then
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# The library we're linking against
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PYTHON_LIB="_XIPH_PYTHON_CFG([$PYTHON], [LIBRARY])"
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# if LIBRARY is nonsensical, bail out
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if test $? -ne 0 -o -z "$PYTHON_LIB"
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then
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AC_MSG_WARN([Could not find library for $PYTHON])
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break
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fi
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# make library linker friendly. This is a hack, but I don't know what's better
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PYTHON_LIB=`echo "$PYTHON_LIB" | sed 's/lib//;s/\.a.*//;s/\.so.*//;s/\.dylib.*//'`
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# LDFLAGS
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PYTHON_LDFLAGS="-L[]_XIPH_PYTHON_CFG([$PYTHON], [LIBPL])"
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# Extra libraries required by python
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PYTHON_EXTRA_LIBS="_XIPH_PYTHON_CFG([$PYTHON], [LIBS])"
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PYTHON_EXTRA_LIBS="$PYTHON_EXTRA_LIBS _XIPH_PYTHON_CFG([$PYTHON], [SYSLIBS])"
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PYTHON_EXTRA_LIBS="$PYTHON_EXTRA_LIBS _XIPH_PYTHON_CFG([$PYTHON], [SHLIBS])"
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PYTHON_CPPFLAGS="-I[]_XIPH_PYTHON_CFG([$PYTHON], [INCLUDEPY])"
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# test header and library functionality
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
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AC_CHECK_HEADER([Python.h],
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[
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saved_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS $PYTHON_LDFLAGS"
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AC_CHECK_LIB([$PYTHON_LIB], [Py_Initialize],
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[PYTHON_LIBS="-l$PYTHON_LIB $PYTHON_EXTRA_LIBS"],
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[AC_MSG_WARN([Could not link to the python library])],
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[$PYTHON_EXTRA_LIBS])
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LDFLAGS="$saved_LDFLAGS"
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],
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[AC_MSG_WARN([Python.h doesn't appear to be usable])])
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CPPFLAGS="$saved_CPPFLAGS"
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fi
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])dnl
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# _XIPH_PYTHON_CFG(PYTHONPATH, CFGVAR)
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# Ask python in PYTHONPATH for the definition of CFGVAR
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m4_define([_XIPH_PYTHON_CFG],
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[`$1 -c 'from distutils.sysconfig import get_config_var; print get_config_var("$2")' | sed 's/None//'`])
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