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Suggested by Eric S. Raymond. https://lists.gnu.org/archive/html/bison-patches/2019-02/msg00066.html * examples/c/reentrant-calc/Makefile, examples/c/reentrant-calc/README.md, * examples/c/reentrant-calc/parse.y, examples/c/reentrant-calc/scan.l * examples/c/reentrant-calc/lexcalc.test, * examples/c/reentrant-calc/local.mk: New.
54 lines
1.9 KiB
Makefile
54 lines
1.9 KiB
Makefile
## Copyright (C) 2019 Free Software Foundation, Inc.
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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reccalcdir = $(docdir)/%D%
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## ------ ##
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## Calc. ##
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## ------ ##
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check_PROGRAMS += %D%/reccalc
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TESTS += %D%/reccalc.test
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EXTRA_DIST += %D%/reccalc.test %D%/scan.l
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%C%_reccalc_SOURCES = %D%/parse.y %D%/parse.h
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nodist_%C%_reccalc_SOURCES = %D%/scan.h %D%/scan.c
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BUILT_SOURCES += $(nodist_%C%_reccalc_SOURCES)
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%D%/parse.c: $(dependencies)
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# Tell Make that parse.o depends on scan.h, so that scan.h is built
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# before parse.o. Obfuscate the name of the target, otherwise
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# Automake removes its recipe for parse.o and leaves only our
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# additional dependency.
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DASH = -
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%D%/reccalc$(DASH)parse.o: %D%/scan.h
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%D%/scan.c %D%/scan.h: %D%/scan.stamp
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@test -f $@ || rm -f %D%/scan.stamp
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@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) %D%/scan.stamp
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%D%/scan.stamp: %D%/scan.l
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$(AM_V_LEX)rm -f $@ $@.tmp
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$(AM_V_at)$(MKDIR_P) %D%
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$(AM_V_at)touch $@.tmp
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$(AM_V_at) $(LEX) -o %D%/scan.c --header-file=%D%/scan.h $<
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$(AM_V_at)mv $@.tmp $@
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# Don't use gnulib's system headers.
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%C%_reccalc_CPPFLAGS = -I$(top_srcdir)/%D% -I$(top_builddir)/%D%
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dist_reccalc_DATA = %D%/parse.y %D%/scan.l %D%/Makefile %D%/README.md
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CLEANFILES += %D%/reccalc %D%/*.o %D%/parse.[ch] %D%/scan.[ch] %D%/*.stamp
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CLEANDIRS += %D%/*.dSYM
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