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# 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 = \
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 = scan-code.l scan-skel.l scan-gram.l
BUILT_SOURCES = \
parse-gram.c parse-gram.h \
scan-code.c \
scan-skel.c \
scan-gram.c
MOSTLYCLEANFILES = yacc
yacc:
$(AM_V_GEN)echo '#! /bin/sh' >$@
$(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
$(AM_V_at)chmod a+x $@
echo:
echo $(bison_SOURCES) $(noinst_HEADERS)
# The following rule is not designed to be portable,
# and relies on tools that not everyone has.
# Most functions in src/*.c should have static scope.
# Any that don't must be marked with `extern', but `main'
# and `usage' are exceptions. They're always extern, but
# don't need to be marked.
#
# The second nm|grep checks for file-scope variables with `extern' scope.
sc_tight_scope: $(all_programs)
@t=exceptions-$$$$; \
trap 's=$$?; 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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