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#!/bin/sh
# Copyright (C) 2004-2020 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 2, 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 <https://www.gnu.org/licenses/>.
# Check rules output for parser defined conditionally.
. test-init.sh
cat >>configure.ac <<'EOF'
AM_CONDITIONAL([CASE_A], [test -z "$case_B"])
AC_PROG_CC
AM_PROG_LEX
AC_PROG_YACC
AC_OUTPUT
EOF
cat > Makefile.am <<'EOF'
AM_YFLAGS = -d
BUILT_SOURCES = tparse.h
if CASE_A
bin_PROGRAMS = ta
ta_SOURCES = ta.c tparse.h tscan.l tparse.y
ta_LDADD = $(LEXLIB)
else
bin_PROGRAMS = tb
tb_SOURCES = tb.c tparse.h tscan.l tparse.y
tb_LDADD = $(LEXLIB)
tparse.h: tparce.c
echo whatever
endif
EOF
$ACLOCAL
# Presently Automake doesn't fully support partially overriden rules
# and should complain.
AUTOMAKE_fails --add-missing
grep 'tparse\.h.*already defined' stderr
$AUTOMAKE -Wno-error
# Still and all, it should generate two rules.
$FGREP 'tparse.h' Makefile.in # For debugging.
test $($FGREP -c 'tparse.h:' Makefile.in) -eq 2
$FGREP '@CASE_A_TRUE@tparse.h:' Makefile.in
$FGREP '@CASE_A_FALSE@tparse.h:' Makefile.in
:
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