| 5673 |  | { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Sorry, $qhull_dir does not exist, checking usual places" >&5 | 
| 5674 |  | $as_echo "$as_me: WARNING: Sorry, $qhull_dir does not exist, checking usual places" >&2;} | 
| 5675 |  | QHULL_HOME=/usr/local | 
| 5676 | < | if test ! -f "${QHULL_HOME}/include/qhull/qhull.h"; then | 
| 5676 | > | if test ! -f "${QHULL_HOME}/include/qhull/libqhull.h"; then | 
| 5677 |  | QHULL_HOME=/usr | 
| 5678 |  | fi | 
| 5679 |  | fi | 
| 5697 |  | LDFLAGS="$LDFLAGS -L${QHULL_HOME}/lib" | 
| 5698 |  | CFLAGS="$CFLAGS -I${QHULL_HOME}/include" | 
| 5699 |  | CPPFLAGS="$CPPFLAGS -I${QHULL_HOME}/include" | 
| 5700 | < | ac_fn_c_check_header_mongrel "$LINENO" "qhull/qhull.h" "ac_cv_header_qhull_qhull_h" "$ac_includes_default" | 
| 5701 | < | if test "x$ac_cv_header_qhull_qhull_h" = xyes; then : | 
| 5702 | < | qhull_cv_qhull_h=yes | 
| 5700 | > | ac_fn_c_check_header_mongrel "$LINENO" "qhull/libqhull.h" "ac_cv_header_qhull_libqhull_h" "$ac_includes_default" | 
| 5701 | > | if test "x$ac_cv_header_qhull_libqhull_h" = xyes; then : | 
| 5702 | > | qhull_cv_libqhull_h=yes | 
| 5703 |  | else | 
| 5704 | < | qhull_cv_qhull_h=no | 
| 5704 | > | qhull_cv_libqhull_h=no | 
| 5705 |  | fi | 
| 5706 |  |  | 
| 5707 |  |  | 
| 5745 |  | qhull_cv_libqhull=yes | 
| 5746 |  | else | 
| 5747 |  | qhull_cv_libqhull=no | 
| 5748 | + | fi | 
| 5749 | + |  | 
| 5750 | + | { $as_echo "$as_me:${as_lineno-$LINENO}: checking for qh_qhull in -lqhull6" >&5 | 
| 5751 | + | $as_echo_n "checking for qh_qhull in -lqhull6... " >&6; } | 
| 5752 | + | if ${ac_cv_lib_qhull6_qh_qhull+:} false; then : | 
| 5753 | + | $as_echo_n "(cached) " >&6 | 
| 5754 | + | else | 
| 5755 | + | ac_check_lib_save_LIBS=$LIBS | 
| 5756 | + | LIBS="-lqhull6  $LIBS" | 
| 5757 | + | cat confdefs.h - <<_ACEOF >conftest.$ac_ext | 
| 5758 | + | /* end confdefs.h.  */ | 
| 5759 | + |  | 
| 5760 | + | /* Override any GCC internal prototype to avoid an error. | 
| 5761 | + | Use char because int might match the return type of a GCC | 
| 5762 | + | builtin and then its argument prototype would still apply.  */ | 
| 5763 | + | #ifdef __cplusplus | 
| 5764 | + | extern "C" | 
| 5765 | + | #endif | 
| 5766 | + | char qh_qhull (); | 
| 5767 | + | int | 
| 5768 | + | main () | 
| 5769 | + | { | 
| 5770 | + | return qh_qhull (); | 
| 5771 | + | ; | 
| 5772 | + | return 0; | 
| 5773 | + | } | 
| 5774 | + | _ACEOF | 
| 5775 | + | if ac_fn_c_try_link "$LINENO"; then : | 
| 5776 | + | ac_cv_lib_qhull6_qh_qhull=yes | 
| 5777 | + | else | 
| 5778 | + | ac_cv_lib_qhull6_qh_qhull=no | 
| 5779 |  | fi | 
| 5780 | + | rm -f core conftest.err conftest.$ac_objext \ | 
| 5781 | + | conftest$ac_exeext conftest.$ac_ext | 
| 5782 | + | LIBS=$ac_check_lib_save_LIBS | 
| 5783 | + | fi | 
| 5784 | + | { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_qhull6_qh_qhull" >&5 | 
| 5785 | + | $as_echo "$ac_cv_lib_qhull6_qh_qhull" >&6; } | 
| 5786 | + | if test "x$ac_cv_lib_qhull6_qh_qhull" = xyes; then : | 
| 5787 | + | qhull_cv_libqhull6=yes | 
| 5788 | + | else | 
| 5789 | + | qhull_cv_libqhull6=no | 
| 5790 | + | fi | 
| 5791 |  |  | 
| 5792 |  | LDFLAGS="$QHULL_OLD_LDFLAGS" | 
| 5793 |  | CFLAGS="$QHULL_OLD_CFLAGS" | 
| 5799 |  | ac_compiler_gnu=$ac_cv_c_compiler_gnu | 
| 5800 |  |  | 
| 5801 |  |  | 
| 5802 | < | if test "$qhull_cv_libqhull" = "yes" -a "$qhull_cv_qhull_h" = "yes"; then | 
| 5802 | > | if test "$qhull_cv_libqhull_h" = "yes" -a "$qhull_cv_libqhull" = "yes" -o "$qhull_cv_libqhull6" = "yes"; then | 
| 5803 |  |  | 
| 5804 | < | $as_echo "#define HAVE_QHULL_H 1" >>confdefs.h | 
| 5804 | > | $as_echo "#define HAVE_LIBQHULL_H 1" >>confdefs.h | 
| 5805 | > |  | 
| 5806 | > | if test "$qhull_cv_libqhull" = "yes"; then | 
| 5807 | > |  | 
| 5808 | > | $as_echo "#define HAVE_QHULL 1" >>confdefs.h | 
| 5809 |  |  | 
| 5810 | + | QHULL="-lqhull" | 
| 5811 | + | fi | 
| 5812 | + | if test "$qhull_cv_libqhull6" = "yes"; then | 
| 5813 |  |  | 
| 5814 |  | $as_echo "#define HAVE_QHULL 1" >>confdefs.h | 
| 5815 |  |  | 
| 5816 | + | QHULL="-lqhull6" | 
| 5817 | + | fi | 
| 5818 |  | USE_QHULL=yes | 
| 5819 |  | QHULL_INC_DIR="${QHULL_HOME}/include" | 
| 5820 |  | QHULL_LIB_DIR="${QHULL_HOME}/lib" | 
| 5770 | – | QHULL="-lqhull" | 
| 5821 |  | { $as_echo "$as_me:${as_lineno-$LINENO}: result: Working qhull found, will proceed." >&5 | 
| 5822 |  | $as_echo "Working qhull found, will proceed." >&6; } | 
| 5823 |  | else |