Compiling 64bit issues

This is documentation of issues while compiling 64bit standalone on Linux.

Feel free to add more, to add solutions and to add useful links. Er ... and to let this page look nicer, of course :)

Issue 1:
 * linden/indra/llmedia/llmediaimplgstreamer.h:44:21 gst/gst.h: No such file or directory
 * fix: fix cmake file, e.g.: 

Issue 2:
 * linden/indra/llrender/llfont.cpp:41:44: llfreetype2/freetype/ft2build.h: No such file or directory
 * fix: not fixed yet
 * hack: for unknown reason llfont.cpp ignores LL_STANDALONE. //comment out what causes the error. 

Issue 3:
 * linden/indra/llwindow/llwindowsdl.cpp:49:22: gtk/gtk.h: No such file or directory
 * fix: not fixed yet
 * hack: no hack yet

to be continued...