Changes needed to get doxygen to configure and build with the GNU compilers

on Solaris.

--- doxygen-1.8.9/doc/Doxyfile.orig 2015-03-02 18:48:16.796824973 -0800

+++ doxygen-1.8.9/doc/Doxyfile 2015-03-02 18:47:58.404324590 -0800

@@ -23,7 +23,7 @@

EXTRACT_ALL = NO

EXTRACT_PRIVATE = NO

GENERATE_MAN = NO

-GENERATE_LATEX = YES

+GENERATE_LATEX = NO

GENERATE_HTML = YES

GENERATE_HTMLHELP = NO

GENERATE_RTF = NO