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## Find the install dirs for the python installation.
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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 Win32 doesn't have a versioned directory for headers
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if test "$PYTHON_PLATFORM" != "win32"; then
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py_versiondir="/python${PYTHON_VERSION}"
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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${py_prefix}/include${py_versiondir}"
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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${py_versiondir}"
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AC_SUBST(PYTHON_INCLUDES)
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dnl check if the headers exist:
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save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
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AC_TRY_CPP([#include <Python.h>],dnl
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[AC_MSG_RESULT(not found)
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CPPFLAGS="$save_CPPFLAGS"