On Monday 2012-07-09 13:41, Jon TURNEY wrote: >Automake can't handle having both clip.S and clip.c, even though they >have different paths >"src/mesa/Makefile.am: object `clip.lo' created by `$(SRCDIR)/sparc/clip.S' and `$(SRCDIR)/main/clip.c'" It should - have you tried AM_INIT_AUTOMAKE([subdir-objects]) ?