-## Process this file with automake to produce Makefile.in -*-Makefile-*-
-AUTOMAKE_OPTIONS = 1.4 ansi2knr
+# Make bison/src.
+
+# Copyright (C) 2001-2012 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/>.
+
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir)/lib
+AM_YFLAGS = "-dv"
+
+LDADD = ../lib/libbison.a $(LIBINTL)
+
+# Use our own Bison to build the parser. Of course, you ought to
+# keep a sane version of Bison nearby...
+YACC = ../tests/bison -y --warnings=all,error --report=all
bin_PROGRAMS = bison
+bin_SCRIPTS = $(YACC_SCRIPT)
+EXTRA_SCRIPTS = yacc
-bison_SOURCES = LR0.c allocate.c closure.c conflicts.c derives.c \
- files.c getargs.c gram.c lalr.c lex.c main.c nullable.c output.c \
- print.c reader.c reduce.c symtab.c warshall.c version.c getopt.c \
- getopt1.c
+bison_SOURCES = \
+ AnnotationList.c AnnotationList.h \
+ InadequacyList.c InadequacyList.h \
+ LR0.c LR0.h \
+ Sbitset.c Sbitset.h \
+ assoc.c assoc.h \
+ closure.c closure.h \
+ complain.c complain.h \
+ conflicts.c conflicts.h \
+ derives.c derives.h \
+ files.c files.h \
+ flex-scanner.h \
+ getargs.c getargs.h \
+ gram.c gram.h \
+ lalr.h lalr.c \
+ ielr.h ielr.c \
+ location.c location.h \
+ main.c \
+ muscle-tab.c muscle-tab.h \
+ named-ref.c named-ref.h \
+ nullable.c nullable.h \
+ output.c output.h \
+ parse-gram.h parse-gram.y \
+ print.c print.h \
+ print_graph.c print_graph.h \
+ print-xml.c print-xml.h \
+ reader.c reader.h \
+ reduce.c reduce.h \
+ relation.c relation.h \
+ scan-code.h scan-code-c.c \
+ scan-gram.h scan-gram-c.c \
+ scan-skel.h scan-skel-c.c \
+ state.c state.h \
+ symlist.c symlist.h \
+ symtab.c symtab.h \
+ system.h \
+ tables.h tables.c \
+ uniqstr.c uniqstr.h \
+ graphviz.c graphviz.h
-EXTRA_bison_SOURCES = vmsgetargs.c
+EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l
-bison_LDADD = @INTLLIBS@ @ALLOCA@
-INCLUDES = -I../intl -I$(top_srcdir)/intl
+BUILT_SOURCES = \
+parse-gram.c parse-gram.h \
+scan-code.c \
+scan-skel.c \
+scan-gram.c
-noinst_HEADERS = alloc.h files.h gram.h lex.h machine.h state.h \
- symtab.h system.h types.h getopt.h
+MOSTLYCLEANFILES = yacc
-data_DATA = bison.simple bison.hairy
+yacc:
+ echo '#! /bin/sh' >$@
+ echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
+ chmod a+x $@
-EXTRA_DIST = bison.s1 bison.hairy build.com bison.cld vmshlp.mar
+echo:
+ echo $(bison_SOURCES) $(noinst_HEADERS)
-bison.simple: bison.s1 Makefile
- -rm -f $@
- sed -e "/^#line/ s|bison|$(datadir)/bison|" -e "s/@bison_version@/$(VERSION)/" < $(srcdir)/bison.s1 > $@-tmp
- mv $@-tmp $@
+# The following rule is not designed to be portable,
+# and relies on tools that not everyone has.
-DISTCLEANFILES = bison.simple
+# Most functions in src/*.c should have static scope.
+# Any that don't must be marked with `extern', but `main'
+# and `usage' are exceptions. They're always extern, but
+# don't need to be marked.
+#
+# The second nm|grep checks for file-scope variables with `extern' scope.
+sc_tight_scope: $(all_programs)
+ @t=exceptions-$$$$; \
+ trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15; \
+ ( printf '^main$$\n^usage$$\n'; \
+ grep -h -A1 '^extern .*[^;]$$' $(SOURCES) \
+ | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
+ if nm -e *.$(OBJEXT) \
+ | sed -n 's/.* T //p' \
+ | grep -Ev -f $$t; then \
+ echo 'the above functions should have static scope' 1>&2; \
+ exit 1; \
+ fi; \
+ ( printf '^program_name$$\n'; \
+ sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
+ $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t; \
+ if nm -e *.$(OBJEXT) \
+ | sed -n 's/.* [BD] //p' \
+ | grep -Ev -f $$t; then \
+ echo 'the above variables should have static scope' 1>&2; \
+ exit 1; \
+ fi
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