1dnl a macro to check for ability to create python extensions 2dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) 3dnl function also defines PYTHON_INCLUDES 4AC_DEFUN([AM_CHECK_PYTHON_HEADERS], 5[AC_REQUIRE([AM_PATH_PYTHON]) 6AC_MSG_CHECKING(for headers required to compile python extensions) 7dnl deduce PYTHON_INCLUDES 8py_prefix=`$PYTHON -c "import sys; print sys.prefix"` 9py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` 10PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" 11if test "$py_prefix" != "$py_exec_prefix"; then 12 PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" 13fi 14AC_SUBST(PYTHON_INCLUDES) 15dnl check if the headers exist: 16save_CPPFLAGS="$CPPFLAGS" 17CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" 18AC_TRY_CPP([#include <Python.h>],dnl 19[AC_MSG_RESULT(found) 20$1],dnl 21[AC_MSG_RESULT(not found) 22$2]) 23CPPFLAGS="$save_CPPFLAGS" 24]) 25