Commit 3dc64b0b in makedepend, intended to distinguish header files in different directories, has the unfortunate side effect that some headers are now listed several times. That in turn overflows the internal MAXFILES limit in a few real-world cases.
(We ran into this on OpenBSD when building some old third party software that uses imake, e.g. xephem.) Compare these excerpts: ---- old output ---- atlas.o: /usr/include/stdio.h /usr/include/sys/cdefs.h atlas.o: /usr/include/machine/cdefs.h /usr/include/sys/_null.h atlas.o: /usr/include/sys/_types.h /usr/include/machine/_types.h atlas.o: /usr/include/sys/types.h /usr/include/sys/endian.h atlas.o: /usr/include/sys/_endian.h /usr/include/machine/endian.h atlas.o: ../../libastro/P_.h ../../libastro/astro.h ---- new output ---- atlas.o: /usr/include/stdio.h /usr/include/sys/cdefs.h atlas.o: /usr/include/machine/cdefs.h /usr/include/sys/_null.h atlas.o: /usr/include/sys/_types.h /usr/include/machine/_types.h atlas.o: /usr/include/sys/types.h /usr/include/sys/cdefs.h atlas.o: /usr/include/sys/endian.h /usr/include/sys/cdefs.h atlas.o: /usr/include/sys/_endian.h /usr/include/sys/_types.h atlas.o: /usr/include/machine/endian.h ../../libastro/P_.h atlas.o: ../../libastro/astro.h -- Christian "naddy" Weisgerber na...@mips.inka.de
