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a4b1fa2b22
autotools has improved a lot since this class was written, and there's now no need to search the source tree for m4 files and add them to the include path. If packages have macros in subdirectories the idiom is to tell aclocal via an assignment in Makefile.am: ACLOCAL_AMFLAGS = -I gl/m4 -I m4 If, for example, a package isn't autoreconfable out of the box (because it has a non-trivial autogen.sh or similar, say) then the required -I statements can be added to EXTRA_AUTORECONF. (From OE-Core rev: e718d1be2c4fb54cf363c23f929358e1be68c724) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>