Re: Compiling OSG 2.8.0 in Cygwin- missing -lGL and -lGLU during linker stage

$ cmake ..
/usr/bin/cmake.exe: error while loading shared libraries: cygidn-11.dll: cannot open shared object file: No such file or directory

install libidn devel etc.?

$ cmake .. -DCMAKE_INSTALL_PREFIX=/home/newton/other/install
-- Could NOT find LibXml2  (missing:  LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR)
-- Could NOT find CURL  (missing:  CURL_LIBRARY CURL_INCLUDE_DIR)
-- Could NOT find OpenAL  (missing:  OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
-- Could NOT find PNG  (missing:  PNG_LIBRARY PNG_PNG_INCLUDE_DIR)

now get

XX shared library ../../bin/cygosg-66.dll
CMakeFiles/osg.dir/AlphaFunc.o:AlphaFunc.cpp:(.text+0x21a): undefined reference to `_glAlphaFunc'
CMakeFiles/osg.dir/ArrayDispatchers.o:ArrayDispatchers.cpp:(.text+0x1434): undefined reference to `_glVertex2fv'
CMakeFiles/osg.dir/ArrayDispatchers.o:ArrayDispatchers.cpp:(.text+0x145a): undefined reference to `_glVertex3fv'
CMakeFiles/osg.dir/ArrayDispatchers.o:ArrayDispatchers.cpp:(.text+0x1480): undefined reference to `_glVertex2dv'
CMakeFiles/osg.dir/ArrayDispatchers.o:ArrayDispatchers.cpp:(.text+0x14a6): undefined reference to `_glVertex3dv'
CMakeFiles/osg.dir/ArrayDispatchers.o:ArrayDispatchers.cpp:(.text+0x14cc): undefined reference to `_glNormal3bv'

Edit

From your build tree type "make edit_cache", this is the same as running "ccmake /path/to/source/tree".

http://forum.openscenegraph.org/viewtopic.php?t=2071

Check the contents of the OPENGL_gl_LIBRARY and OPENGL_glu_LIBRARY variables.  They should be pointed to the libraries you want to use for GL and GLU.  They are under the Advanced section of the cache.

On Fri, Mar 27, 2009 at 3:55 PM, Lucas wrote:

Otherwise there will be a lot of error output like this:

[ 15%] Building CXX object src/osg/CMakeFiles/osg.dir/Viewport.o
Linking CXX shared library ../../bin/cygosg-2.8.0.dll
CMakeFiles/osg.dir/AlphaFunc.o:AlphaFunc.cpp:(.text+0x14): undefined
reference to `_glAlphaFunc'
CMakeFiles/osg.dir/BlendColor.o:BlendColor.cpp:(.text+0x159):
undefined reference to `_glGetString'
CMakeFiles/osg.dir/BlendColor.o:BlendColor.cpp:(.text+0x288):
undefined reference to `_glGetString'
CMakeFiles/osg.dir/BlendColor.o:BlendColor.cpp:(.text+0x3c8):
undefined reference to `_glGetString'
CMakeFiles/osg.dir/BlendColor.o:BlendColor.cpp:(.text+0x1263):
undefined reference to `_glGetString'
CMakeFiles/osg.dir/BlendEquation.o:BlendEquation.cpp:(.text+0x1b9):
undefined reference to `_glGetString'

Chip Defender

This is the first good html5 game I found, though it had problems with slowdown when lots of enemies are on screen. Though that isn't too much of a problem since user intervention isn't required frequently.

The second level required three or four tries, and maybe a dozen to beat the third hardest level. A few times I would make it to wave 97/100 with plenty of life left but then die abruptly, after an hour to get there. Later I figured out that putting the skull-and-bones weapons too closely together wasn't productive (two or more tend to waste their shots over-killing the same enemy but every enemy behind them will get past while they recharge).

The final configuration had the skull-and-bones every four or five squares along the track, a lot of life restoring weapons along the first length of the track, and an assortment of slowing defenses and double and single shot weapons everywhere else. It's crucial to build up to an energy level of 10000 or more by wave 95.

Don't Let THEM Eschatize The Immanenton!