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#!/bin/sh
# Copyright (C) 2010, 2011 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/>.
# Check silent-rules mode for Lex.
# Keep this in sync with sister test `silent-lex-gcc.test'.
required='flex'
. ./defs || Exit 1
set -e
mkdir sub
cat >>configure.in <<'EOF'
AM_SILENT_RULES
AM_PROG_CC_C_O
AC_PROG_LEX
AC_CONFIG_FILES([sub/Makefile])
AC_OUTPUT
EOF
cat > Makefile.am <<'EOF'
# Need generic and non-generic rules.
bin_PROGRAMS = foo1 foo2
foo1_SOURCES = foo.l
foo2_SOURCES = $(foo1_SOURCES)
foo2_CFLAGS = $(AM_CFLAGS)
SUBDIRS = sub
LDADD = $(LEXLIB)
EOF
cat > sub/Makefile.am <<'EOF'
AUTOMAKE_OPTIONS = subdir-objects
# Need generic and non-generic rules.
bin_PROGRAMS = bar1 bar2
bar1_SOURCES = bar.l
bar2_SOURCES = $(bar1_SOURCES)
bar2_CFLAGS = $(AM_CFLAGS)
LDADD = $(LEXLIB)
EOF
cat > foo.l <<'EOF'
%{
/* avoid non-ANSI #include of unistd.h */
#define YY_NO_UNISTD_H 1
%}
%%
"END" return EOF;
.
%%
/* Avoid possible link errors. */
int yywrap (void) { return 1; }
int main (void) { return 0; }
EOF
cp foo.l sub/bar.l
$ACLOCAL
$AUTOMAKE --add-missing
$AUTOCONF
# Force dependency tracking explicitly, so that slow dependency
# extractors are not rejected. Try also with dependency tracking
# explicitly disabled.
for config_args in \
--enable-dependency-tracking --disable-dependency-tracking
do
./configure $config_args --enable-silent-rules
$MAKE >stdout || { cat stdout; Exit 1; }
cat stdout
$EGREP ' (-c|-o)' stdout && Exit 1
$EGREP '(mv|ylwrap) ' stdout && Exit 1
grep 'LEX .*foo\.' stdout
grep 'LEX .*bar\.' stdout
grep ' CC .*foo\.' stdout
grep ' CC .*bar\.' stdout
grep 'CCLD .*foo1' stdout
grep 'CCLD .*bar1' stdout
grep 'CCLD .*foo2' stdout
grep 'CCLD .*bar2' stdout
# Cleaning and then rebuilding with the same V flag (and without
# removing the generated sources in between) shouldn't trigger a
# different set of rules.
$MAKE clean
$MAKE >stdout || { cat stdout; Exit 1; }
cat stdout
$EGREP ' (-c|-o)' stdout && Exit 1
$EGREP '(mv|ylwrap) ' stdout && Exit 1
# Don't look for LEX, as probably lex hasn't been re-run.
grep ' CC .*foo\.' stdout
grep ' CC .*bar\.' stdout
grep 'CCLD .*foo1' stdout
grep 'CCLD .*bar1' stdout
grep 'CCLD .*foo2' stdout
grep 'CCLD .*bar2' stdout
# Ensure a truly clean rebuild.
$MAKE clean
rm -f foo.c sub/bar.c
$MAKE V=1 >stdout || { cat stdout; Exit 1; }
cat stdout
grep ' -c ' stdout
grep ' -o ' stdout
grep 'ylwrap ' stdout
$EGREP '(LEX|CC|CCLD) ' stdout && Exit 1
# Cleaning and then rebuilding with the same V flag (and without
# removing the generated sources in between) shouldn't trigger a
# different set of rules.
$MAKE clean
$MAKE V=1 >stdout || { cat stdout; Exit 1; }
cat stdout
# Don't look for ylwrap, as probably lex hasn't been re-run.
grep ' -c ' stdout
grep ' -o ' stdout
$EGREP '(LEX|CC|CCLD) ' stdout && Exit 1
# Ensure a truly clean reconfiguration/rebuild.
$MAKE clean
$MAKE maintainer-clean
rm -f foo.c sub/bar.c
done
:
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