gnulib fails to build
subprojects/glib/glib/gnulib/gnulib_math.h:44:3: error: "Please include config.h first."
#error "Please include config.h first."
subprojects/glib/glib/gnulib/gnulib_math.h:44:3: error: "Please include config.h first."
#error "Please include config.h first."