adm_local/unix/config_files/check_opengl.m4

   1 dnl Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
   2 dnl
   3 dnl Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 dnl CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 dnl
   6 dnl This library is free software; you can redistribute it and/or
   7 dnl modify it under the terms of the GNU Lesser General Public
   8 dnl License as published by the Free Software Foundation; either
   9 dnl version 2.1 of the License.
  10 dnl
  11 dnl This library is distributed in the hope that it will be useful,
  12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 dnl Lesser General Public License for more details.
  15 dnl
  16 dnl You should have received a copy of the GNU Lesser General Public
  17 dnl License along with this library; if not, write to the Free Software
  18 dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 dnl
  20 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 dnl
  22
  23 AC_DEFUN([CHECK_OPENGL],[
  24 AC_REQUIRE([AC_PROG_CC])dnl
  25 AC_REQUIRE([AC_PROG_CPP])dnl
  26 AC_REQUIRE([AC_LINKER_OPTIONS])dnl
  27
  28 AC_LANG_SAVE
  29 AC_LANG_CPLUSPLUS
  30
  31 AC_ARG_WITH(opengl,
  32   [AC_HELP_STRING([--with-opengl=DIR],[root directory path of OpenGL installation])],
  33   [opengl_dir="$withval"],
  34   [dirs="/usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib /opt/graphics/OpenGL/lib64 /opt/graphics/OpenGL/lib /usr/openwin/lib64 /usr/openwin/lib /usr/X11R6/lib64 /usr/X11R6/lib"])dnl
  35
  36 AC_CHECKING(for OpenGL)
  37 AC_CHECKING(for OpenGL headers)
  38
  39 OGL_INCLUDES=""
  40 OGL_LIBS=""
  41
  42 GL_LIB_PATH=""
  43 GLU_LIB_PATH=""
  44
  45 OpenGL_ok=no
  46 OpenGL_libs_ok=no
  47 OpenGL_headers_ok=no
  48
  49 dnl openGL headers
  50 # by default
  51 if test "x${opengl_dir}" != "x" ; then
  52   AC_MSG_RESULT(for opengl_dir: $opengl_dir)
  53   AC_CHECK_HEADER([${opengl_dir}/include/GL/gl.h],
  54                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I${opengl_dir}/include"],
  55                   [OpenGL_headers_ok=no])
  56   if test "x${OpenGL_headers_ok}" = "xyes" ; then
  57     AC_CHECKING(for default OpenGL library)
  58     if test "x${opengl_dir}" = "x/usr" ; then
  59       OGL_LIBS=""
  60     else
  61       OGL_LIBS="-L${opengl_dir}/lib"
  62     fi
  63     LDFLAGS_old="$LDFLAGS"
  64     LDFLAGS="$LDFLAGS $OGL_LIBS"
  65     AC_CHECK_LIB([GL],
  66                  [glBegin],
  67                  [OpenGL_libs_ok=yes],
  68                  [OpenGL_libs_ok=no])
  69     if test "x${OpenGL_libs_ok}" = "xyes" ; then
  70       AC_TRY_LINK([],
  71                   [],
  72                   [OpenGL_libs_ok=yes ; OpenGL_ok=yes; OGL_LIBS="$OGL_LIBS -lGL"],
  73                   [OpenGL_libs_ok=no])
  74     fi
  75     LDFLAGS="$LDFLAGS_old"
  76   fi
  77 fi
  78
  79 if test "x${OpenGL_headers_ok}" = "xno" ; then
  80   AC_CHECK_HEADER(GL/gl.h,
  81                   [OpenGL_headers_ok=yes],
  82                   [OpenGL_headers_ok=no])
  83 fi
  84
  85 # under SunOS ?
  86 if test "x${OpenGL_headers_ok}" = "xno" ; then
  87   AC_CHECK_HEADERS(/usr/openwin/share/include/GL/glxmd.h,
  88                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/usr/openwin/share/include/"],
  89                   [OpenGL_headers_ok=no])
  90 fi
  91
  92 # under IRIX ?
  93 if test "x${OpenGL_headers_ok}" = "xno" ; then
  94   AC_CHECK_HEADERS(/opt/graphics/OpenGL/include/GL/glxmd.h,
  95                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/opt/graphics/OpenGL/include"],
  96                   [OpenGL_headers_ok=no])
  97 fi
  98
  99 # some linux OpenGL servers hide the includes in /usr/X11R6/include/GL
 100 if test "x${OpenGL_headers_ok}" = "xno" ; then
 101   AC_CHECK_HEADERS(/usr/X11R6/include/GL/gl.h,
 102                   [OpenGL_headers_ok=yes; OGL_INCLUDES="-I/usr/X11R6/include"],
 103                   [OpenGL_headers_ok=no])
 104 fi
 105
 106 if test "x${OpenGL_headers_ok}" = "xyes" ; then
 107   AC_CHECKING(for OpenGL library)
 108   for idir in $dirs; do
 109     if test -r "${idir}/libGL.so"; then
 110       AC_MSG_RESULT(in ${idir})
 111       if test "x${idir}" = "x/usr/lib64" -o "x${idir}" = "x/usr/lib" ; then
 112         GL_LIB_PATH=""
 113       else
 114         GL_LIB_PATH="-L${idir}"
 115       fi
 116       break
 117     fi
 118     # under IRIX ?
 119     if test -r "${idir}/libGL.sl"; then
 120       AC_MSG_RESULT(in ${idir})
 121       if test "x${idir}" = "x/usr/lib64" -o "x${idir}" = "x/usr/lib" ; then
 122         GL_LIB_PATH=""
 123       else
 124         GL_LIB_PATH="-L${idir}"
 125       fi
 126       break
 127     fi
 128   done
 129   LDFLAGS_old="${LDFLAGS}"
 130   LDFLAGS="${LDFLAGS} ${GL_LIB_PATH}"
 131   AC_CHECK_LIB([GL],
 132                [glBegin],
 133                [OpenGL_libs_ok=yes],
 134                [OpenGL_libs_ok=no])
 135   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 136     AC_TRY_LINK([],
 137                 [],
 138                 [OpenGL_libs_ok=yes ; OGL_LIBS="${OGL_LIBS} ${GL_LIB_PATH} -lGL"],
 139                 [OpenGL_libs_ok=no])
 140   fi
 141   LDFLAGS="$LDFLAGS_old"
 142 fi
 143
 144 if test "x${OpenGL_libs_ok}" = "xyes" ; then
 145   for idir in $dirs; do
 146     if test -r "${idir}/libGLU.so"; then
 147       AC_MSG_RESULT(in ${idir})
 148       if test "x${idir}" = "x/usr/lib64" -o "x${idir}" = "x/usr/lib" ; then
 149         GLU_LIB_PATH=""
 150       else
 151         GLU_LIB_PATH="-L${idir}"
 152       fi
 153       break
 154     fi
 155     # under IRIX ?
 156     if test -r "${idir}/libGLU.sl"; then
 157       AC_MSG_RESULT(in ${idir})
 158       if test "x${idir}" = "x/usr/lib64" -o "x${idir}" = "x/usr/lib" ; then
 159         GLU_LIB_PATH=""
 160       else
 161         GLU_LIB_PATH="-L${idir}"
 162       fi
 163       break
 164     fi
 165   done
 166
 167   # workaround a problem with libGL library location
 168   for idir in $dirs; do
 169     if test -r "${idir}/libGLU.la"; then
 170       GLU_LA_PATH="${idir}/libGLU.la"
 171       GL_LA_PATH_TO_CHECK=`cat ${GLU_LA_PATH} | awk '{ for(i=1;i<NF;i++){ if(gsub("libGL.la","&",$i)>0) print $i } }'`
 172       if test -z ${GL_LA_PATH_TO_CHECK} || test -r ${GL_LA_PATH_TO_CHECK}; then
 173         # nothing to do
 174         break
 175       fi
 176       for jdir in $dirs; do
 177         if test -r "${jdir}/libGL.la"; then
 178           GL_LA_PATH="${jdir}/libGL.la"
 179           # copy the libGLU.la file and set correct libGL.la path in it
 180           NEW_GLU_LA_PATH=${ROOT_BUILDDIR}
 181           NEW_GLU_LA_FILE="${NEW_GLU_LA_PATH}/libGLU.la"
 182           sed -e "s%${GL_LA_PATH_TO_CHECK}%${GL_LA_PATH}%" ${GLU_LA_PATH} > "${NEW_GLU_LA_FILE}"
 183           chmod -f --reference=${GLU_LA_PATH} "${NEW_GLU_LA_FILE}"
 184           # set a new libGLU.la path
 185           GLU_LIB_PATH="-L${NEW_GLU_LA_PATH}"
 186           # create a simbolic link to libGLU.so
 187           for kdir in $dirs; do
 188             if test -r "${kdir}/libGLU.so"; then
 189               cp -fs "${kdir}/libGLU.so" "${NEW_GLU_LA_PATH}/libGLU.so"
 190               break
 191             fi
 192           done
 193           break
 194         fi
 195       done
 196       break
 197     fi
 198   done
 199
 200   LDFLAGS_old="${LDFLAGS}"
 201   LDFLAGS="${LDFLAGS} ${OGL_LIBS} ${GLU_LIB_PATH}"
 202   AC_CHECK_LIB([GLU],
 203                [gluBeginSurface],
 204                [OpenGL_libs_ok=yes],
 205                [OpenGL_libs_ok=no])
 206   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 207     AC_TRY_LINK([],
 208                 [],
 209                 [OpenGL_libs_ok=yes ; OGL_LIBS="${OGL_LIBS} ${GLU_LIB_PATH} -lGLU"],
 210                 [OpenGL_libs_ok=no])
 211   fi
 212   LDFLAGS="$LDFLAGS_old"
 213 fi
 214
 215 if test "x${OpenGL_headers_ok}" = "xyes" ; then
 216   if test "x${OpenGL_libs_ok}" = "xyes" ; then
 217     OpenGL_ok=yes
 218   fi
 219 fi
 220
 221 AC_MSG_RESULT(for OpenGL_headers_ok: $OpenGL_headers_ok)
 222 AC_MSG_RESULT(for OpenGL_libs_ok: $OpenGL_libs_ok)
 223 AC_MSG_RESULT(for OpenGL_ok: $OpenGL_ok)
 224
 225 AC_SUBST(OGL_INCLUDES)
 226 AC_SUBST(OGL_LIBS)
 227
 228 AC_LANG_RESTORE
 229
 230 ])dnl
 231