# =========================================================================== # # =========================================================================== # # SYNOPSIS # # AX_PYTHON_NUMPY([ACTION_IF_FOUND], [ACTION_IF_NOT_FOUND]) # # COPYING # # Copyright (c) 2009 David Grundberg # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 2 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see <http://www.gnu.org/licenses/>. # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Macro Archive. When you make and # distribute a modified version of the Autoconf Macro, you may extend this # special exception to the GPL to apply to your modified version as well. AC_DEFUN([AX_PYTHON_NUMPY],[ NUMPY_INCLUDEDIR= AC_MSG_CHECKING([for python]) AS_IF([test -z "$PYTHON"], [ AC_MSG_RESULT([unknown]) ],[ AC_MSG_RESULT([$PYTHON]) ]) AC_MSG_CHECKING([for numpy includedir]) AS_IF([test -z "$PYTHON"], [ AC_MSG_RESULT([no (python unknown)]) ],[ NUMPY_INCLUDEDIR=`$PYTHON -c ' try: from numpy import get_include print(get_include()) except: pass '` AC_MSG_RESULT([$NUMPY_INCLUDEDIR]) ]) if [[ "$NUMPY_INCLUDEDIR" ]]; then AC_CACHE_CHECK([whether linking to numpy library works], [ax_python_numpy_cv_check], [ ax_python_numpy_cv_check=no AC_LANG_PUSH([C++]) ax_python_numpy_cppflags="$CPPFLAGS" ax_python_numpy_ldflags="$LDFLAGS" if [[ "$PYTHON_INCLUDE_PATH" ]]; then CPPFLAGS="$CPPFLAGS -I$NUMPY_INCLUDEDIR -I$PYTHON_INCLUDE_PATH" else CPPFLAGS="$CPPFLAGS -I$NUMPY_INCLUDEDIR" fi LDFLAGS="$LDFLAGS $PYTHON_LDFLAGS" AC_LANG_ASSERT(C++) AC_LINK_IFELSE( [ AC_LANG_SOURCE([[ #define PY_ARRAY_UNIQUE_SYMBOL my_array_symbol #include <Python.h> #include <numpy/oldnumeric.h> #include <numpy/old_defines.h> int main( int argc, char *argv[] ) { &PyArray_FromDims; } ]]) ], [ax_python_numpy_cv_check=yes], [ax_python_numpy_cv_check=no]) CPPFLAGS="$ax_python_numpy_cppflags" LDFLAGS="$ax_python_numpy_ldflags" AC_LANG_POP([C++]) ]) if [[ "x$ax_python_numpy_cv_check" != "xyes" ]]; then AC_MSG_CHECKING([no numpy header files found, looking again]) perlproc=`cat <<'EOF' foreach ( <> ) { if ( m|.*?'([[^']]+)'.*| ) { print "[$]1\n" } } EOF ` POTENTIAL_NUMPY_PATH="" for path in `$PYTHON -m site | perl -e "$perlproc"`; do if test -d $path; then for f in `find $path -name arrayobject.h 2> /dev/null`; do if test -f $f; then case ${f} in */numpy/arrayobject.h) bpath=`echo $f | sed 's|/numpy/arrayobject.h$||'` case $POTENTIAL_NUMPY_PATH in *$path*) ;; *) if test -z "$POTENTIAL_NUMPY_PATH"; then POTENTIAL_NUMPY_PATH=$bpath else POTENTIAL_NUMPY_PATH="$POTENTIAL_NUMPY_PATH $bpath" fi ;; esac ;; *) ;; esac fi done fi done for p in $POTENTIAL_NUMPY_PATH; do if test -d $p; then LIBS="$ac_save_LIBS $PYTHON_LIB $PYTHON_EXTRA_LIBS -I$p" AC_LINK_IFELSE( [ AC_LANG_SOURCE([[ #define PY_ARRAY_UNIQUE_SYMBOL my_array_symbol #include <Python.h> #include <numpy/oldnumeric.h> #include <numpy/old_defines.h> int main( int argc, char *argv[] ) { &PyArray_FromDims; } ]]) ],[ ax_python_numpy_cv_check=yes NUMPY_INCLUDEDIR=$p break ],[ ax_python_numpy_cv_check=no ]) fi done fi if [[ "x$ax_python_numpy_cv_check" != "xyes" ]]; then NUMPY_INCLUDEDIR= AC_MSG_ERROR([[Cannot find numpy]]) fi AC_SUBST([NUMPY_INCLUDEDIR]) # Execute ACTION_IF_FOUND or ACTION_IF_NOT_FOUND if test "x$ax_python_numpy_cv_check" == "xyes" ; then m4_ifvaln([$1],[$1],[:])dnl m4_ifvaln([$2],[else $2])dnl fi fi ])