#! /bin/sh
# Copyright (C) 2012-2022 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/>.
# Demo on C support, also testing automatic dependency tracking,
# conditional SUBDIRS and convenience libraries.
required=cc
am_create_testdir=empty
. test-init.sh
cat > configure.ac << 'END'
AC_INIT([GNU C Demo], [22.3.2], [bug-automake@gnu.org])
AC_CONFIG_SRCDIR([tests/test.test])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE
AC_PROG_CC
AM_PROG_AR
AC_PROG_RANLIB
AM_CONDITIONAL([RUN_TESTS], [test x"$run_tests" != x"no"])
AC_CONFIG_FILES([Makefile src/Makefile lib/Makefile tests/Makefile])
AC_OUTPUT
END
if cross_compiling; then
run_tests=no
else
run_tests=yes
fi
export run_tests
mkdir build-aux lib src tests
cat > Makefile.am <<'END'
SUBDIRS = lib src
if RUN_TESTS
SUBDIRS += tests
endif
.PHONY: test-objs
check-local: test-objs
test-objs:
test -f src/zardoz-main.$(OBJEXT)
test -f lib/foo.$(OBJEXT)
test -f lib/bar.$(OBJEXT)
END
cat > src/Makefile.am << 'END'
bin_PROGRAMS = zardoz
zardoz_SOURCES = main.c
zardoz_LDADD = $(top_builddir)/lib/lib-convenience.a
zardoz_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
END
cat > lib/Makefile.am << 'END'
noinst_LIBRARIES = lib-convenience.a
lib_convenience_a_SOURCES = foo.c
lib_convenience_a_SOURCES += bar.c
dist_lib_convenience_a_SOURCES = bar.h
nodist_lib_convenience_a_SOURCES = foo.h
# We want this to be auto-generated an removed by "make clean", to
# ensure that cleaning rules work correctly; an older implementation
# of automatic dependency tracking support suffered of weaknesses in
# this situation, see the "historical comments" reported in:
# https://lists.gnu.org/archive/html/automake-patches/2012-06/msg00033.html
foo.h: $(srcdir)/foo.c
sed -n 's/.*foo *(.*/&;/p' "$(srcdir)/foo.c" >$@-t
test 1 -eq `wc -l <$@-t`
chmod a-w $@-t && mv -f $@-t $@
BUILT_SOURCES = foo.h
CLEANFILES = $(BUILT_SOURCES)
check-local:
test -f ${top_srcdir}/tests/test.test
END
cat > tests/Makefile.am << 'END'
AUTOMAKE_OPTIONS = parallel-tests
TEST_LOG_COMPILER = $(SHELL)
TESTS = test.test
EXTRA_DIST = $(TESTS)
END
cat > tests/test.test << 'END'
#!/bin/sh
set -x; set -e;
../src/zardoz
test "`../src/zardoz`" = 'Foo, Bar!'
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE --add-missing
test -f build-aux/depcomp
test -f build-aux/compile # We have per-target flags on C sources.
# Don't reject slow dependency extractors.
./configure --enable-dependency-tracking
cat > src/main.c << 'END'
#include "foo.h"
#include "bar.h"
int main (void)
{
printf ("%s, %s!\n", foo (), bar ());
return 0;
}
END
cat > lib/foo.c << 'END'
#include "foo.h"
static char s[4];
volatile char *foo (void)
{
s[0] = 'F';
s[1] = s[2] = 'o';
s[3] = '\0';
return s;
}
END
cat > lib/bar.c << 'END'
#include "bar.h"
const char *bar (void)
{
return BARBAR;
}
END
cat > lib/bar.h << 'END'
#define BARBAR "Bar"
const char *bar (void);
END
$MAKE
ls -l . src lib # For debugging.
$MAKE test-objs
VERBOSE=x $MAKE check
if cross_compiling; then
test ! -e tests/test-suite.log
test ! -e tests/test.log
else
test -f tests/test-suite.log
grep 'Foo, Bar!' tests/test.log
fi
$MAKE distcheck
if ! cross_compiling && ! grep "[ $tab]depmode=none" Makefile; then
# Let's check automatic dependency tracking.
sed 's/^\(#define BARBAR \).*/\1 "Zap"/' lib/bar.h > t
mv -f t lib/bar.h
$MAKE
./src/zardoz
test "$(./src/zardoz)" = 'Foo, Zap!'
fi
$MAKE clean
test ! -e lib/foo.h
test -f lib/bar.h
:
