Configuring vlc with --disable-fontconfig and --disable-optimizations makes it fail to build the freetype plugin.
At higher optimizations levels, gcc performs dead code elimitation which does not happen at -O0, then the linker is looking for functions that are defined only when fontconfig is enabled.

References: https://bugs.gentoo.org/show_bug.cgi?id=281963Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>