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subdirmk: main.mk: clear SUBDIRMK_MAKEFILES MAKEFILE_TEMPLATES
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 14 Nov 2019 00:00:11 +0000 (00:00 +0000)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 14 Nov 2019 00:23:20 +0000 (00:23 +0000)
commitff11733b6b7d7920033f81c4669ebba9131b984f
tree27d78c02ae0ea1a607b60981a2424d286ddbb22ftree | snapshot
parentcf671b1e82db48e7eebe5909d9ae475ed992186acommit | diff
subdirmk: main.mk: clear SUBDIRMK_MAKEFILES MAKEFILE_TEMPLATES

Otherwise, if we reenter main.mk (for exmaple, there are some reasons
why one might want to $(MAKE) a particular target), and someone
foolishly said `export', we inherit SUBDIRMK_MAKEFILES from our
previous self and end up reading everything twice.  That causes things
not to work very well.

While we're here, clear MAKEFILE_TEMPLATES too.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
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