macros/opengl.m4

   1 dnl
   2 dnl  Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
   3 dnl  2011 Free Software Foundation, Inc.
   4 dnl
   5 dnl  This program is free software; you can redistribute it and/or modify
   6 dnl  it under the terms of the GNU General Public License as published by
   7 dnl  the Free Software Foundation; either version 3 of the License, or
   8 dnl  (at your option) any later version.
   9 dnl
  10 dnl  This program is distributed in the hope that it will be useful,
  11 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 dnl  GNU General Public License for more details.
  14 dnl  You should have received a copy of the GNU General Public License
  15 dnl  along with this program; if not, write to the Free Software
  16 dnl  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 AC_DEFUN([GNASH_PATH_OPENGL],
  19 [
  20   opengl=yes
  21   if test x"$opengl" = x"yes"; then
  22     dnl Look for the headers.
  23     AC_ARG_WITH(opengl_includes, AC_HELP_STRING([--with-opengl-includes], [directory where OpenGL headers are]), with_opengl_includes=${withval})
  24     AC_CACHE_VAL(ac_cv_path_opengl_includes,[
  25       if test x"${with_opengl_includes}" != x ; then
  26         if test -f ${with_opengl_includes}/GL/gl.h -a -f ${with_opengl_includes}/GL/glu.h ; then
  27           ac_cv_path_opengl_includes="`(cd ${with_opengl_includes}; pwd)`"
  28         else
  29           AC_MSG_ERROR([${with_opengl_includes} directory doesn't contain GL/gl.h])
  30         fi
  31       fi
  32     ])
  33
  34     dnl If the include path hasn't been specified, go look for it.
  35     if test x"${darwin}" = xyes; then
  36       ac_cv_path_opengl_includes="-framework Carbon -framework ApplicationServices -framework OpenGL -framework AGL -I/System/Library/Frameworks/OpenGL.framework/Headers"
  37     else
  38       notsgigl=no
  39       if test x"${ac_cv_path_opengl_includes}" = x; then
  40         AC_MSG_CHECKING([for OpenGL headers])
  41         newlist="/System/Library/Frameworks/OpenGL.framework/Headers ${incllist}"
  42         for i in $newlist; do
  43           if test -f $i/GL/gl.h -o -f $i/OpenGL.h; then
  44             if test -f $i/OpenGL.h; then
  45               notsgigl=yes
  46               AC_DEFINE(NOT_SGI_GL, [1], [Is not based on the SGI GL])
  47             fi
  48             if test x"$i" != x"/usr/include"; then
  49               ac_cv_path_opengl_includes="-I$i"
  50               break
  51             else
  52               ac_cv_path_opengl_includes="default"
  53               break
  54             fi
  55                   if test -f $i/GL/glu.h; then
  56                     AC_MSG_WARN([GL/glu.h not installed!])
  57                   fi
  58           fi
  59         done
  60       fi
  61     fi
  62
  63     if test x"${ac_cv_path_opengl_includes}" = x; then
  64       AC_CHECK_HEADERS([GL/gl.h], [ac_cv_path_opengl_includes=""])
  65     fi
  66
  67     if test x"${ac_cv_path_opengl_includes}" != x -a x"${ac_cv_path_opengl_includes}" != x"default"; then
  68       OPENGL_CFLAGS="${ac_cv_path_opengl_includes}"
  69     else
  70       OPENGL_CFLAGS=""
  71     fi
  72     AC_MSG_RESULT(${ac_cv_path_opengl_includes})
  73
  74     dnl Look for the libraries.
  75     AC_ARG_WITH(opengl_lib, AC_HELP_STRING([--with-opengl-lib], [directory where OpenGL libraries are]), with_opengl_lib=${withval})
  76     AC_CACHE_VAL(ac_cv_path_opengl_lib,[
  77       if test x"${with_opengl_lib}" != x ; then
  78         if test -f ${with_opengl_lib}/libGL.a -o -f ${with_opengl_lib}/libGL.${shlibext}; then
  79           ac_cv_path_opengl_lib="-L`(cd ${with_opengl_lib}; pwd)` -lGL -lGLU"
  80         else
  81           if test -f ${with_opengl_lib}/libopengl32.a; then
  82             ac_cv_path_opengl_lib="-L`(cd ${with_opengl_lib}; pwd)` -lopengl32 -lglu32"
  83           else
  84             AC_MSG_ERROR([${with_opengl_lib} directory doesn't contain libGL.])
  85           fi
  86         fi
  87       fi
  88     ])
  89
  90     if test x"${darwin}" = xyes; then
  91       ac_cv_path_opengl_lib="-framework Carbon -framework ApplicationServices -framework OpenGL -framework AGL"
  92     else
  93       if test x"${ac_cv_path_opengl_lib}" = x; then
  94         newlist="/System/Library/Frameworks/OpenGL.framework/Versions/Current/Libraries /System/Library/Frameworks/OpenGL.framework/Libraries ${libslist}"
  95         for i in $newlist; do
  96           if test -f $i/libGL.${shlibext} -o -f $i/libGL.a; then
  97             if test ! x"$i" = x"/usr/lib" -a ! x"$i" = x"/usr/lib64"; then
  98               ac_cv_path_opengl_lib="-L$i -lGL"
  99               break
 100                   else
 101               ac_cv_path_opengl_lib="-lGL"
 102               break
 103                   fi
 104           fi
 105         done
 106         if test x"${ac_cv_path_opengl_lib}" != x; then
 107           if test -f $i/libGLU.${shlibext} -o -f $i/libGLU.a; then
 108             ac_cv_path_opengl_lib="${ac_cv_path_opengl_lib} -lGLU"
 109           else
 110             AC_WARN([No GLU library found!])
 111           fi
 112         else                      dnl nothing found, check for the win32 names
 113           for i in $newliblist; do
 114             if test -f $i/libopengl32.${shlibext} -o -f $i/libopengl32.a; then
 115               ac_cv_path_opengl_lib="-L$i -lopengl32 =lopenglu32"
 116               break
 117             fi
 118           done
 119         fi
 120       fi                        dnl end of if ac_cv_path_opengl_lib
 121     fi                          dnl end of if darwin
 122   fi                            dnl end of if $opengl
 123
 124   if test x"${ac_cv_path_opengl_lib}" = x; then
 125     AC_CHECK_LIB([GL], [glBegin], [ac_cv_path_opengl_lib="-lGL -lGLU"])
 126   fi
 127
 128   if test x"${ac_cv_path_opengl_lib}" != x ; then
 129       OPENGL_LIBS="${ac_cv_path_opengl_lib}"
 130       has_opengl="yes"
 131   else
 132       OPENGL_LIBS=""
 133   fi
 134
 135   if test x"${darwin}" = xyes; then
 136           OPENGL_LIBS="${OPENGL_LIBS} -dylib_file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib"
 137   fi
 138
 139   AC_SUBST(OPENGL_CFLAGS)
 140   AC_SUBST(OPENGL_LIBS)
 141 ])
 142
 143 # Local Variables:
 144 # c-basic-offset: 2
 145 # tab-width: 2
 146 # indent-tabs-mode: nil
 147 # End: