Allows to properly detect libpng if USE="-truetype" https://bugs.gentoo.org/show_bug.cgi?id=326803 Patch written by Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe> --- configure.ac +++ configure.ac @@ -10,6 +10,7 @@ AC_PROG_CXX AC_PROG_INSTALL AC_PROG_SED +PKG_PROG_PKG_CONFIG AC_LANG_CPLUSPLUS