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#! /bin/sh
# Copyright (C) 2011-2015 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 <http://www.gnu.org/licenses/>.
# Test to make sure automatic dependency tracking work with Lex/C.
# Test suggested by PR automake/6.
required='cc lex'
. test-init.sh
cat >> configure.ac << 'END'
AC_PROG_CC
AM_PROG_LEX
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = zoo
zoo_SOURCES = joe.l
LDADD = $(LEXLIB)
.PHONY: test-deps-exist
test-deps-exist:
ls -l $(DEPDIR)
test -f $(DEPDIR)/joe.Po
.PHONY: test-obj-updated
test-obj-updated: joe.$(OBJEXT)
is_newest joe.$(OBJEXT) my-hdr.h
END
cat > joe.l << 'END'
%{
#define YY_NO_UNISTD_H 1
%}
%%
"foo" return EOF;
.
%%
#include "my-hdr.h"
int main (void)
{
printf("%s\n", MESSAGE);
return 0;
}
/* Avoid possible link errors. */
int yywrap (void)
{
return 1;
}
END
cat > my-hdr.h <<'END'
#include <stdio.h>
#define MESSAGE "Hello, World!"
END
$ACLOCAL
$AUTOMAKE -a
$FGREP joe.Po Makefile.in
$AUTOCONF
# Try to enable dependency tracking if possible, even if that means
# using slow dependency extractors.
./configure --enable-dependency-tracking
$MAKE
$MAKE test-deps-exist
cross_compiling || test "$(./zoo)" = 'Hello, World!' || exit 1
$sleep
cat >> my-hdr.h << 'END'
#undef MESSAGE
#define MESSAGE "Howdy, Earth!"
END
$MAKE test-obj-updated
$MAKE
cross_compiling || test "$(./zoo)" = 'Howdy, Earth!' || exit 1
:
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