1#! /bin/sh 2# Copyright (C) 2012-2021 Free Software Foundation, Inc. 3# 4# This program is free software; you can redistribute it and/or modify 5# it under the terms of the GNU General Public License as published by 6# the Free Software Foundation; either version 2, or (at your option) 7# any later version. 8# 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY; without even the implied warranty of 11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12# GNU General Public License for more details. 13# 14# You should have received a copy of the GNU General Public License 15# along with this program. If not, see <https://www.gnu.org/licenses/>. 16 17# Demo on C support, also testing automatic dependency tracking, 18# conditional SUBDIRS and convenience libraries. 19 20required=cc 21am_create_testdir=empty 22. test-init.sh 23 24cat > configure.ac << 'END' 25AC_INIT([GNU C Demo], [22.3.2], [bug-automake@gnu.org]) 26AC_CONFIG_SRCDIR([tests/test.test]) 27AC_CONFIG_AUX_DIR([build-aux]) 28AM_INIT_AUTOMAKE 29AC_PROG_CC 30AM_PROG_AR 31AC_PROG_RANLIB 32AM_CONDITIONAL([RUN_TESTS], [test x"$run_tests" != x"no"]) 33AC_CONFIG_FILES([Makefile src/Makefile lib/Makefile tests/Makefile]) 34AC_OUTPUT 35END 36 37if cross_compiling; then 38 run_tests=no 39else 40 run_tests=yes 41fi 42export run_tests 43 44mkdir build-aux lib src tests 45 46cat > Makefile.am <<'END' 47SUBDIRS = lib src 48 49if RUN_TESTS 50SUBDIRS += tests 51endif 52 53.PHONY: test-objs 54check-local: test-objs 55test-objs: 56 test -f src/zardoz-main.$(OBJEXT) 57 test -f lib/foo.$(OBJEXT) 58 test -f lib/bar.$(OBJEXT) 59END 60 61cat > src/Makefile.am << 'END' 62bin_PROGRAMS = zardoz 63zardoz_SOURCES = main.c 64zardoz_LDADD = $(top_builddir)/lib/lib-convenience.a 65zardoz_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib 66END 67 68cat > lib/Makefile.am << 'END' 69noinst_LIBRARIES = lib-convenience.a 70lib_convenience_a_SOURCES = foo.c 71lib_convenience_a_SOURCES += bar.c 72dist_lib_convenience_a_SOURCES = bar.h 73nodist_lib_convenience_a_SOURCES = foo.h 74 75# We want this to be auto-generated an removed by "make clean", to 76# ensure that cleaning rules work correctly; an older implementation 77# of automatic dependency tracking support suffered of weaknesses in 78# this situation, see the "historical comments" reported in: 79# https://lists.gnu.org/archive/html/automake-patches/2012-06/msg00033.html 80foo.h: $(srcdir)/foo.c 81 sed -n 's/.*foo *(.*/&;/p' "$(srcdir)/foo.c" >$@-t 82 test 1 -eq `wc -l <$@-t` 83 chmod a-w $@-t && mv -f $@-t $@ 84BUILT_SOURCES = foo.h 85CLEANFILES = $(BUILT_SOURCES) 86 87check-local: 88 test -f ${top_srcdir}/tests/test.test 89END 90 91cat > tests/Makefile.am << 'END' 92AUTOMAKE_OPTIONS = parallel-tests 93TEST_LOG_COMPILER = $(SHELL) 94TESTS = test.test 95EXTRA_DIST = $(TESTS) 96END 97 98cat > tests/test.test << 'END' 99#!/bin/sh 100set -x; set -e; 101../src/zardoz 102test "`../src/zardoz`" = 'Foo, Bar!' 103END 104 105$ACLOCAL 106$AUTOCONF 107$AUTOMAKE --add-missing 108 109test -f build-aux/depcomp 110test -f build-aux/compile # We have per-target flags on C sources. 111 112# Don't reject slow dependency extractors. 113./configure --enable-dependency-tracking 114 115cat > src/main.c << 'END' 116#include "foo.h" 117#include "bar.h" 118int main (void) 119{ 120 printf ("%s, %s!\n", foo (), bar ()); 121 return 0; 122} 123END 124 125cat > lib/foo.c << 'END' 126#include "foo.h" 127static char s[4]; 128volatile char *foo (void) 129{ 130 s[0] = 'F'; 131 s[1] = s[2] = 'o'; 132 s[3] = '\0'; 133 return s; 134} 135END 136 137cat > lib/bar.c << 'END' 138#include "bar.h" 139const char *bar (void) 140{ 141 return BARBAR; 142} 143END 144 145cat > lib/bar.h << 'END' 146#define BARBAR "Bar" 147const char *bar (void); 148END 149 150$MAKE 151ls -l . src lib # For debugging. 152$MAKE test-objs 153 154VERBOSE=x $MAKE check 155if cross_compiling; then 156 test ! -e tests/test-suite.log 157 test ! -e tests/test.log 158else 159 test -f tests/test-suite.log 160 grep 'Foo, Bar!' tests/test.log 161fi 162 163$MAKE distcheck 164 165if ! cross_compiling && ! grep "[ $tab]depmode=none" Makefile; then 166 # Let's check automatic dependency tracking. 167 sed 's/^\(#define BARBAR \).*/\1 "Zap"/' lib/bar.h > t 168 mv -f t lib/bar.h 169 $MAKE 170 ./src/zardoz 171 test "$(./src/zardoz)" = 'Foo, Zap!' 172fi 173 174$MAKE clean 175test ! -e lib/foo.h 176test -f lib/bar.h 177 178: 179