1.1 --- a/configure.in	Tue Feb 26 01:10:48 2008 +0000
     1.2 +++ b/configure.in	Fri Mar 28 12:32:25 2008 +0000
     1.3 @@ -22,6 +22,18 @@
     1.4     [if test "$enableval" == "yes"; then
     1.5       AC_DEFINE(ENABLE_WATCH, 1, [Enable watchpoints])
     1.6     fi] )
     1.7 +AC_ARG_WITH( osmesa,
     1.8 +   AS_HELP_STRING( [--with-osmesa], [Build with the osmesa GL library (software rendering)]),
     1.9 +   [], [with_osmesa=no])
    1.10 +
    1.11 +AS_IF([test "x$with_osmesa" != xno], [ 
    1.12 +  AC_CHECK_LIB([OSMesa], [OSMesaCreateContext], [],
    1.13 +    [AC_MSG_FAILURE( [--with-osmesa was given, but OSMesa library could not be found])])
    1.14 +  AC_CHECK_HEADER([GL/osmesa.h], [],
    1.15 +    [AC_MSG_FAILURE( [--with-osmesa was given, but osmesa.h could not be found])])
    1.16 +  ])
    1.17 +AM_CONDITIONAL(OSMESA_DRIVER, [test "x$with_osmesa" != xno])
    1.18 +
    1.19  dnl ----------- Check for mandatory dependencies --------------
    1.20  dnl Building on MAC?
    1.21  AC_CHECK_HEADER([Carbon/Carbon.h], [
    1.22 @@ -41,6 +53,7 @@
    1.23      exit 1])
    1.24  
    1.25  if test "$APPLE_BUILD" != 'yes'; then
    1.26 +if test "x$with_osmesa" == "xno"; then
    1.27  AC_CHECK_LIB(GL, glXQueryVersion, [], [
    1.28      echo "The OpenGL library (libGL.so) could not be found, but is required."
    1.29      exit 1])
    1.30 @@ -48,6 +61,7 @@
    1.31      echo "The OpenGL header files (eg GL/gl.h) could not be found, but are required."
    1.32      exit 1])
    1.33  fi
    1.34 +fi
    1.35  
    1.36  dnl Check for GTK (required for unix systems)
    1.37  PKG_CHECK_MODULES(GTK, gtk+-2.0, [