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## am/reconfig.am: Makefile fragment to reconfigure a directory.
##
## Copyright (C) 2013 Peter Breitenlohner <tex-live@tug.org>
## You may freely use, modify and/or distribute this file.
##
## requires $(reconfig_prereq) and DISTCLEANFILES.
##
## Serialize concurrent reconfig attempts
## Compare Automake manual (info Automake) 27.9: Multiple Outputs
##
config.force: $(reconfig_prereq)
@if test -f $@; then :; else \
trap 'rm -rf reconfig.lock' 1 2 13 15; \
if mkdir reconfig.lock 2>/dev/null; then \
echo timestamp >$@; \
$(SHELL) ./config.status --recheck; \
rmdir reconfig.lock; \
else \
while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
test -f $@; \
fi; \
fi
DISTCLEANFILES += config.force
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