| ## Copyright (C) 2019 Free Software Foundation, Inc. |
| ## |
| ## This program 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 of the License, or |
| ## (at your option) any later version. |
| ## |
| ## This program 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 this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| reccalcdir = $(docdir)/%D% |
| |
| ## --------- ## |
| ## RecCalc. ## |
| ## --------- ## |
| |
| if FLEX_WORKS |
| check_PROGRAMS += %D%/reccalc |
| TESTS += %D%/reccalc.test |
| nodist_%C%_reccalc_SOURCES = %D%/parse.y %D%/scan.h %D%/scan.c |
| BUILT_SOURCES += $(nodist_%C%_reccalc_SOURCES) |
| # Don't use gnulib's system headers. |
| %C%_reccalc_CPPFLAGS = -I$(top_srcdir)/%D% -I$(top_builddir)/%D% |
| endif FLEX_WORKS |
| |
| %D%/parse.c: $(dependencies) |
| |
| # Tell Make that parse.o depends on scan.h, so that scan.h is built |
| # before parse.o. Obfuscate the name of the target, otherwise |
| # Automake removes its recipe for parse.o and leaves only our |
| # additional dependency. |
| DASH = - |
| %D%/reccalc$(DASH)parse.o: %D%/scan.h |
| # Tell Make scan.o depends on parse.h, except that Make sees only |
| # parse.c, not parse.h. We can't use BUILT_SOURCES to this end, since |
| # we use the built bison. |
| %D%/reccalc$(DASH)scan.o: %D%/parse.c |
| |
| # Likewise, but for Automake before 1.16. |
| %D%/examples_c_reccalc_reccalc$(DASH)parse.o: %D%/scan.h |
| %D%/examples_c_reccalc_reccalc$(DASH)scan.o: %D%/parse.c |
| |
| ## See "info automake 'Multiple Outputs'" for this rule. |
| %D%/scan.c %D%/scan.h: %D%/scan.stamp |
| ## Recover from the removal of $@ |
| @if test -f $@; then :; else \ |
| trap 'rm -rf %D%/scan.lock %D%/scan.stamp' 1 2 13 15; \ |
| ## mkdir is a portable test-and-set |
| if mkdir %D%/scan.lock 2>/dev/null; then \ |
| ## This code is being executed by the first process. |
| rm -f %D%/scan.stamp; \ |
| $(MAKE) $(AM_MAKEFLAGS) %D%/scan.stamp; \ |
| result=$$?; rm -rf %D%/scan.lock; exit $$result; \ |
| else \ |
| ## This code is being executed by the follower processes. |
| ## Wait until the first process is done. |
| while test -d %D%/scan.lock; do sleep 1; done; \ |
| ## Succeed if and only if the first process succeeded. |
| test -f %D%/scan.stamp; \ |
| fi; \ |
| fi |
| |
| %D%/scan.stamp: %D%/scan.l |
| $(AM_V_LEX)rm -f $@ $@.tmp |
| $(AM_V_at)$(MKDIR_P) %D% |
| $(AM_V_at)touch $@.tmp |
| $(AM_V_at)$(LEX) $(AM_LFLAGS) $(LFLAGS) -o%D%/scan.c --header-file=%D%/scan.h $(srcdir)/%D%/scan.l |
| $(AM_V_at)mv $@.tmp $@ |
| |
| |
| EXTRA_DIST += %D%/reccalc.test %D%/scan.l |
| dist_reccalc_DATA = %D%/parse.y %D%/scan.l %D%/Makefile %D%/README.md |
| CLEANFILES += %D%/parse.[ch] %D%/parse.output %D%/scan.[ch] %D%/*.stamp |
| CLEANDIRS += %D%/*.dSYM |