I don't know the build system for this program (and this is a generic bug template so I cannot tell you which program exactly is), but my tests shows that it's not respecting CFLAGS properly. Please look into it, since it's important to respect user CFLAGS. Thanks, Diego
+ 03 Jan 2009; Christoph Mende <angelos@gentoo.org> txt2pdbdoc-1.4.4.ebuild: + Prevent automatic autotools rebuilding (bug 226433) and respect CFLAGS + (bug 240145)