src/wrappergen/src/HXX2SALOME_GENERIC_CLASS_NAME_SRC/adm_local/unix/config_files/check_opengl.m4

   1 dnl Copyright (C) 2006-2022  CEA/DEN, EDF R&D
   2 dnl
   3 dnl This library is free software; you can redistribute it and/or
   4 dnl modify it under the terms of the GNU Lesser General Public
   5 dnl License as published by the Free Software Foundation; either
   6 dnl version 2.1 of the License, or (at your option) any later version.
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   8 dnl This library is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 dnl Lesser General Public License for more details.
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  13 dnl You should have received a copy of the GNU Lesser General Public
  14 dnl License along with this library; if not, write to the Free Software
  15 dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 dnl
  17 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 dnl
  19
  20 AC_DEFUN([CHECK_OPENGL],[
  21 AC_REQUIRE([AC_PROG_CC])dnl
  22 AC_REQUIRE([AC_PROG_CPP])dnl
  23 AC_REQUIRE([AC_LINKER_OPTIONS])dnl
  24
  25 AC_LANG_SAVE
  26 AC_LANG_CPLUSPLUS
  27
  28 AC_ARG_WITH(opengl,
  29   [AC_HELP_STRING([--with-opengl=DIR],[root directory path of OpenGL installation])],
  30   [opengl_dir="$withval"],
  31   [dirs="/usr/lib${LIB_LOCATION_SUFFIX} /usr/local/lib${LIB_LOCATION_SUFFIX} /opt/graphics/OpenGL/lib${LIB_LOCATION_SUFFIX} /usr/openwin/lib${LIB_LOCATION_SUFFIX} /usr/X11R6/lib${LIB_LOCATION_SUFFIX}"])dnl
  32
  33 AC_CHECKING(for OpenGL)
  34 AC_CHECKING(for OpenGL headers)
  35
  36 OGL_INCLUDES=""
  37 OGL_LIBS=""
  38
  39 GL_LIB_PATH=""
  40 GLU_LIB_PATH=""
  41
  42 OpenGL_ok=no
  43 OpenGL_libs_ok=no
  44 OpenGL_headers_ok=no
  45
  46 dnl openGL headers
  47 # by default
  48 if test "x${opengl_dir}" != "x" ; then
  49   AC_MSG_RESULT(for opengl_dir: $opengl_dir)
  50   AC_CHECK_HEADER([${opengl_dir}/include/GL/gl.h],
  51                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I${opengl_dir}/include"],
  52                   [OpenGL_headers_ok=no])
  53   if test "x${OpenGL_headers_ok}" = "xyes" ; then
  54     AC_CHECKING(for default OpenGL library)
  55     if test "x${opengl_dir}" = "x/usr" ; then
  56       OGL_LIBS=""
  57     else
  58       OGL_LIBS="-L${opengl_dir}/lib"
  59     fi
  60     LDFLAGS_old="$LDFLAGS"
  61     LDFLAGS="$LDFLAGS $OGL_LIBS"
  62     AC_CHECK_LIB([GL],
  63                  [glBegin],
  64                  [OpenGL_libs_ok=yes],
  65                  [OpenGL_libs_ok=no])
  66     if test "x${OpenGL_libs_ok}" = "xyes" ; then
  67       AC_TRY_LINK([],
  68                   [],
  69                   [OpenGL_libs_ok=yes ; OpenGL_ok=yes; OGL_LIBS="$OGL_LIBS -lGL"],
  70                   [OpenGL_libs_ok=no])
  71     fi
  72     LDFLAGS="$LDFLAGS_old"
  73   fi
  74 fi
  75
  76 if test "x${OpenGL_headers_ok}" = "xno" ; then
  77   AC_CHECK_HEADER(GL/gl.h,
  78                   [OpenGL_headers_ok=yes],
  79                   [OpenGL_headers_ok=no])
  80 fi
  81
  82 # under SunOS ?
  83 if test "x${OpenGL_headers_ok}" = "xno" ; then
  84   AC_CHECK_HEADERS(/usr/openwin/share/include/GL/glxmd.h,
  85                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/usr/openwin/share/include/"],
  86                   [OpenGL_headers_ok=no])
  87 fi
  88
  89 # under IRIX ?
  90 if test "x${OpenGL_headers_ok}" = "xno" ; then
  91   AC_CHECK_HEADERS(/opt/graphics/OpenGL/include/GL/glxmd.h,
  92                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/opt/graphics/OpenGL/include"],
  93                   [OpenGL_headers_ok=no])
  94 fi
  95
  96 # some linux OpenGL servers hide the includes in /usr/X11R6/include/GL
  97 if test "x${OpenGL_headers_ok}" = "xno" ; then
  98   AC_CHECK_HEADERS(/usr/X11R6/include/GL/gl.h,
  99                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/usr/X11R6/include"],
 100                   [OpenGL_headers_ok=no])
 101 fi
 102
 103 if test "x${OpenGL_headers_ok}" = "xyes" ; then
 104   AC_CHECKING(for OpenGL library)
 105   for idir in $dirs; do
 106     if test -r "${idir}/libGL.so"; then
 107       AC_MSG_RESULT(in ${idir})
 108       if test "x${idir}" = "x/usr/lib${LIB_LOCATION_SUFFIX}" ; then
 109         GL_LIB_PATH=""
 110       else
 111         GL_LIB_PATH="-L${idir}"
 112       fi
 113       break
 114     fi
 115     # under IRIX ?
 116     if test -r "${idir}/libGL.sl"; then
 117       AC_MSG_RESULT(in ${idir})
 118       if test "x${idir}" = "x/usr/lib${LIB_LOCATION_SUFFIX}" ; then
 119         GL_LIB_PATH=""
 120       else
 121         GL_LIB_PATH="-L${idir}"
 122       fi
 123       break
 124     fi
 125   done
 126   LDFLAGS_old="${LDFLAGS}"
 127   LDFLAGS="${LDFLAGS} ${GL_LIB_PATH}"
 128   AC_CHECK_LIB([GL],
 129                [glBegin],
 130                [OpenGL_libs_ok=yes],
 131                [OpenGL_libs_ok=no])
 132   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 133     AC_TRY_LINK([],
 134                 [],
 135                 [OpenGL_libs_ok=yes ; OGL_LIBS="${OGL_LIBS} ${GL_LIB_PATH} -lGL"],
 136                 [OpenGL_libs_ok=no])
 137   fi
 138   LDFLAGS="$LDFLAGS_old"
 139 fi
 140
 141 if test "x${OpenGL_libs_ok}" = "xyes" ; then
 142   for idir in $dirs; do
 143     if test -r "${idir}/libGLU.so"; then
 144       AC_MSG_RESULT(in ${idir})
 145       if test "x${idir}" = "x/usr/lib${LIB_LOCATION_SUFFIX}" ; then
 146         GLU_LIB_PATH=""
 147       else
 148         GLU_LIB_PATH="-L${idir}"
 149       fi
 150       break
 151     fi
 152     # under IRIX ?
 153     if test -r "${idir}/libGLU.sl"; then
 154       AC_MSG_RESULT(in ${idir})
 155       if test "x${idir}" = "x/usr/lib${LIB_LOCATION_SUFFIX}" ; then
 156         GLU_LIB_PATH=""
 157       else
 158         GLU_LIB_PATH="-L${idir}"
 159       fi
 160       break
 161     fi
 162   done
 163   LDFLAGS_old="${LDFLAGS}"
 164   LDFLAGS="${LDFLAGS} ${OGL_LIBS} ${GLU_LIB_PATH}"
 165   AC_CHECK_LIB([GLU],
 166                [gluBeginSurface],
 167                [OpenGL_libs_ok=yes],
 168                [OpenGL_libs_ok=no])
 169   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 170     AC_TRY_LINK([],
 171                 [],
 172                 [OpenGL_libs_ok=yes ; OGL_LIBS="${OGL_LIBS} ${GLU_LIB_PATH} -lGLU"],
 173                 [OpenGL_libs_ok=no])
 174   fi
 175   LDFLAGS="$LDFLAGS_old"
 176 fi
 177
 178 if test "x${OpenGL_headers_ok}" = "xyes" ; then
 179   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 180     OpenGL_ok=yes
 181   fi
 182 fi
 183
 184 AC_MSG_RESULT(for OpenGL_headers_ok: $OpenGL_headers_ok)
 185 AC_MSG_RESULT(for OpenGL_libs_ok: $OpenGL_libs_ok)
 186 AC_MSG_RESULT(for OpenGL_ok: $OpenGL_ok)
 187
 188 AC_SUBST(OGL_INCLUDES)
 189 AC_SUBST(OGL_LIBS)
 190
 191 AC_LANG_RESTORE
 192
 193 ])dnl