adm_local/unix/config_files/check_OpenCV.m4

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  19
  20 dnl  File   : check_OpenCV.m4
  21 dnl  Author : Renaud NEDELEC, Open CASCADE S.A.S (renaud.nedelec@opencascade.com)
  22 dnl
  23 AC_DEFUN([CHECK_OPENCV],[
  24
  25 AC_REQUIRE([AC_PROG_CXX])dnl
  26 AC_REQUIRE([AC_PROG_CXXCPP])dnl
  27
  28 AC_CHECKING([for OPENCV product])
  29
  30 AC_LANG_SAVE
  31 AC_LANG_C
  32
  33 OPENCV_INCLUDES=""
  34 OPENCV_LIBS=""
  35
  36 AC_ARG_WITH([opencv],
  37         [  --with-opencv=DIR       root directory path of OPENCV installation])
  38
  39 opencv_ok=no
  40
  41 if test "$with_opencv" != "no" ; then
  42   if test "$with_opencv" == "yes" || test "$with_opencv" == "auto"; then
  43     OPENCV_HOME=""
  44   else
  45     OPENCV_HOME="$with_opencv"
  46   fi
  47
  48   if test "$OPENCV_HOME" == "" ; then
  49     if test "x$OPENCV_INSTALL_DIR" != "x" ; then
  50       OPENCV_HOME=$OPENCV_INSTALL_DIR
  51     fi
  52   fi
  53
  54   if test "x$OPENCV_HOME" != "x"; then
  55
  56     LOCAL_INCLUDES="-I$OPENCV_HOME/include -I$OPENCV_HOME/include/opencv"
  57     LOCAL_LIBS="-L$OPENCV_HOME/lib -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_ml -lopencv_video -lopencv_features2d -lopencv_calib3d -lopencv_objdetect -lopencv_contrib -lopencv_legacy -lopencv_flann"
  58
  59     CPPFLAGS_old="$CPPFLAGS"
  60     CXXFLAGS_old="$CXXFLAGS"
  61     CPPFLAGS="$LOCAL_INCLUDES $CPPFLAGS"
  62     CXXFLAGS="$LOCAL_INCLUDES $CXXFLAGS"
  63
  64     AC_MSG_CHECKING([for OPENCV library])
  65
  66     LDFLAGS_old="$LDFLAGS"
  67     LDFLAGS="-L. $LOCAL_LIBS $LDFLAGS"
  68
  69     LDFLAGS="$LDFLAGS_old"
  70
  71     opencv_ok=yes
  72
  73     AC_MSG_RESULT([$opencv_ok])
  74
  75     CPPFLAGS="$CPPFLAGS_old"
  76     CXXFLAGS="$CXXFLAGS_old"
  77
  78   fi
  79 fi
  80
  81 if test "x$opencv_ok" == xno ; then
  82   AC_MSG_RESULT([for OPENCV: no])
  83   AC_MSG_WARN([OPENCV includes or libraries are not found or are not properly installed])
  84   AC_MSG_WARN([Use --with-opencv option to define OPENCV installation.])
  85 else
  86   OPENCV_INCLUDES=$LOCAL_INCLUDES
  87   OPENCV_LIBS=$LOCAL_LIBS
  88   AC_MSG_RESULT([for OPENCV: yes])
  89 fi
  90
  91 AM_CONDITIONAL(WITH_OPENCV, [test x"$opencv_ok" = xyes])
  92
  93 AC_SUBST(OPENCV_INCLUDES)
  94 AC_SUBST(OPENCV_LIBS)
  95
  96 AC_LANG_RESTORE
  97
  98 ])dnl