Remove wxMGL port.

The company behind MGL toolkit (SciTech) doesn't exist since several years and
this port is not used by anybody, so remove it to ease maintenance burden.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70353 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/mainpages/const_cpp.h

@@ -48,7 +48,6 @@ always tested using @ifdef_ and not @if_.
 @itemdef{__WXMAC__, old define for Mac OS X}
 @itemdef{__WXMOTIF__, Motif}
 @itemdef{__WXMOTIF20__, Motif 2.0 or higher}
-@itemdef{__WXMGL__, SciTech Soft MGL (__WXUNIVERSAL__ will be also defined)}
 @itemdef{__WXMSW__, Any Windows}
 @itemdef{__WXOSX__, any OS X}
 @itemdef{__WXOSX_IPHONE__, OS X iPhone}
@@ -95,7 +94,6 @@ symbols, although this has not always been followed.
 @itemdef{__DARWIN__, Mac OS X using the BSD Unix C library
                     (as opposed to using the Metrowerks MSL C/C++ library)}
 @itemdef{__DATA_GENERAL__, DG-UX}
-@itemdef{__DOS_GENERAL__, DOS (used with wxMGL only)}
 @itemdef{__FREEBSD__, FreeBSD}
 @itemdef{__HPUX__, HP-UX (Unix)}
 @itemdef{__GNU__, GNU Hurd}

docs/doxygen/mainpages/platdetails.h

@@ -21,7 +21,6 @@ and ports.
 @li @ref page_port_wxgtk
 @li @ref page_port_wxosx
 @li @ref page_port_wxos2
-@li @ref page_port_wxmgl
 @li @ref page_port_wxx11
 @li @ref page_port_wxmotif
 @li @ref page_port_wxmsw
@@ -122,32 +121,6 @@ developed, docs for it are available in @c docs/cocoa in the distribution.
 
 
 
-@section page_port_wxmgl wxMGL
-
-wxMGL is a port of wxWidgets using the MGL library available
-from SciTech as the underlying graphics backend. wxMGL draws
-its widgets using the wxUniversal widget set which is part
-of wxWidgets. MGL itself runs on a variety of platforms
-including DOS, Linux hardware (similar to the Linux framebuffer)
-and various graphics systems such as Win32, X11 and OS/2.
-Note that currently MGL for Linux runs only on x86-based systems.
-
-You will MGL 5.0 or higher which is available from
-
-http://www.scitechsoft.com/products/product_download.html
-
-In order to configure wxWidgets to compile wxMGL you will
-need to type:
-
-@verbatim configure --with-mgl --with-universal @endverbatim
-
-Under DOS, wxMGL uses a dmake based make system.
-
-For further information, please see the files in @c docs/mgl
-in the distribution.
-
-
-
 @section page_port_wxos2 wxOS2
 
 wxOS2 is a port of wxWidgets for the IBM OS/2 Warp3 and Warp4 platforms.

docs/doxygen/overviews/envvars.h

@@ -27,13 +27,5 @@ wxWidgets programs.
         @c /usr/local or @c /usr). You can set WXPREFIX if you are for example
         distributing a binary version of an application and you don't know in advance
         where it will be installed.}
-@itemdef{WXMODE,
-        (wxMGL only.)
-        Sets MGL video mode. The value must be in form
-        @e widthx@e height-@e depth. The default is @c 640x480-16.}
-@itemdef{WXSTDERR,
-        (wxMGL only.)
-        Redirects stderr output to a file.}
-
 */