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  • Committer: David Barth
  • Date: 2008-11-20 19:09:14 UTC
  • Revision ID: david.barth@canonical.com-20081120190914-bxilgw79ze0yobs7
more autotool stuff

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m4/python.m4
 
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## this one is commonly used with AM_PATH_PYTHONDIR ...
 
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dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
 
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dnl Check if a module containing a given symbol is visible to python.
 
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AC_DEFUN([AM_CHECK_PYMOD],
 
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[AC_REQUIRE([AM_PATH_PYTHON])
 
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py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
 
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AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
 
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AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
 
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ifelse([$2],[], [prog="
 
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import sys
 
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try:
 
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        import $1
 
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except ImportError:
 
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        sys.exit(1)
 
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except:
 
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        sys.exit(0)
 
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sys.exit(0)"], [prog="
 
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import $1
 
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$1.$2"])
 
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if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
 
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  then
 
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    eval "py_cv_mod_$py_mod_var=yes"
 
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  else
 
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    eval "py_cv_mod_$py_mod_var=no"
 
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  fi
 
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])
 
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py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
 
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if test "x$py_val" != xno; then
 
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  AC_MSG_RESULT(yes)
 
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  ifelse([$3], [],, [$3
 
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])dnl
 
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else
 
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  AC_MSG_RESULT(no)
 
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  ifelse([$4], [],, [$4
 
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])dnl
 
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fi
 
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])
 
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dnl a macro to check for ability to create python extensions
 
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dnl  AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
 
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dnl function also defines PYTHON_INCLUDES
 
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AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
 
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[AC_REQUIRE([AM_PATH_PYTHON])
 
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AC_MSG_CHECKING(for headers required to compile python extensions)
 
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dnl deduce PYTHON_INCLUDES
 
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py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
 
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py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
 
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PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
 
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if test "$py_prefix" != "$py_exec_prefix"; then
 
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  PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
 
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fi
 
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AC_SUBST(PYTHON_INCLUDES)
 
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dnl check if the headers exist:
 
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save_CPPFLAGS="$CPPFLAGS"
 
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CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
 
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AC_TRY_CPP([#include <Python.h>],dnl
 
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[AC_MSG_RESULT(found)
 
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$1],dnl
 
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[AC_MSG_RESULT(not found)
 
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$2])
 
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CPPFLAGS="$save_CPPFLAGS"
 
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])