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# -*- Makefile -*-
#
# Copyright 2009 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
STAMPS += $(DEPDIR)/sources-generate-*
# Ensure parallel make does the right thing.
# http://sources.redhat.com/automake/automake.html#Multiple-Outputs
$(DEPDIR)/sources-generate-stamp: $(gen_sources_deps)
@rm -f $(DEPDIR)/sources-generate-tmp
@touch $(DEPDIR)/sources-generate-tmp
PYTHONPATH=$(top_srcdir)/gnuradio-core/src/python srcdir=$(srcdir) $(PYTHON) $(srcdir)/generate_all.py
@mv -f $(DEPDIR)/sources-generate-tmp $@
$(gen_sources): $(DEPDIR)/sources-generate-stamp
## Recover from the removal of $@
@if test -f $@; then :; else \
trap 'rm -rf $(DEPDIR)/sources-generate-*' 1 2 13 15; \
if mkdir $(DEPDIR)/sources-generate-lock 2>/dev/null; then \
## This code is being executed by the first process.
rm -f $(DEPDIR)/sources-generate-stamp; \
$(MAKE) $(AM_MAKEFLAGS) $(DEPDIR)/sources-generate-stamp; \
rmdir $(DEPDIR)/sources-generate-lock; \
else \
## This code is being executed by the follower processes.
## Wait until the first process is done.
while test -d $(DEPDIR)/sources-generate-lock; do sleep 1; done; \
## Succeed if and only if the first process succeeded.
test -f $(DEPDIR)/sources-generate-stamp; exit $$?; \
fi; \
fi;
## ----------------------------------------------------------------
## Special rule for regenerating the local Makefile.gen
STAMPS += $(DEPDIR)/generate-makefile-generate-*
generate-makefile $(srcdir)/Makefile.gen:
## parallel make protection; can't hurt
@trap 'rm -rf $(DEPDIR)/Makefile.gen-generate-*' 1 2 13 15; \
if mkdir $(DEPDIR)/Makefile.gen-generate-lock 2>/dev/null; then \
## This code is being executed by the first process.
rm -f $(DEPDIR)/Makefile.gen-generate-stamp; \
rm -f $(DEPDIR)/Makefile.gen-generate-tmp; \
touch $(DEPDIR)/Makefile.gen-generate-tmp; \
## recreate $(srcdir)/Makefile.gen only if ...
do_recreate=0; \
if test -f $(srcdir)/Makefile.gen; then \
## the file exists and can be removed; or ...
if $(RM) $(srcdir)/Makefile.gen 2>/dev/null; then \
do_recreate=1; \
fi; \
else \
## the file doesn't exist, but can be created (e.g., by touching it).
if touch $(srcdir)/Makefile.gen 2>/dev/null; then \
do_recreate=1; \
fi; \
fi; \
if test "$$do_recreate" == "1"; then \
echo "Regenerating $(srcdir)/Makefile.gen"; \
PYTHONPATH=$(top_srcdir)/gnuradio-core/src/python srcdir=$(srcdir) do_makefile=1 do_sources=0 $(PYTHON) $(srcdir)/generate_all.py; \
else \
echo "Cannot recreate $(srcdir)/Makefile.gen because the directory or file is write-protected."; \
fi; \
mv -f $(DEPDIR)/Makefile.gen-generate-tmp $(DEPDIR)/Makefile.gen-generate-stamp; \
rmdir $(DEPDIR)/Makefile.gen-generate-lock; \
else \
## This code is being executed by the follower processes.
## Wait until the first process is done.
while test -d $(DEPDIR)/$@-generate-lock; do sleep 1; done; \
## Succeed if and only if the first process succeeded.
test -f $(DEPDIR)/$@-generate-stamp; exit $$?; \
fi;
## ----------------------------------------------------------------
MOSTLYCLEANFILES += $(STAMPS)
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