# cdemo.at -- Using Automake to build a program and library -*- Autotest -*-
#
#   Copyright (C) 2003-2004, 2011-2019, 2021-2024 Free Software
#   Foundation, Inc.
#   Written by Gary V. Vaughan, 2003
#
#   This file is part of GNU Libtool.
#
# GNU Libtool 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 of
# the License, or (at your option) any later version.
#
# GNU Libtool 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 GNU Libtool.  If not, see <https://www.gnu.org/licenses/>.
####


AT_BANNER([Convenience libraries.])


# _LT_SETUP
# ---------
m4_define([_LT_SETUP],
[AT_DATA([configure.ac],
[[AC_INIT([cdemo], ]AT_PACKAGE_VERSION[, ]AT_PACKAGE_BUGREPORT[)
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIRS([m4])
AM_INIT_AUTOMAKE
AC_PROG_CC
LT_INIT
AC_SUBST([LIBTOOL_DEPS])
LT_LIB_M
AC_CONFIG_FILES([Makefile])
AC_CONFIG_HEADERS([config.h:config.in.h])
AC_OUTPUT
]])

AT_DATA([Makefile.am],
[[AUTOMAKE_OPTIONS = no-dependencies foreign
ACLOCAL_AMFLAGS = -I m4

noinst_LTLIBRARIES = libfoo.la
libfoo_la_SOURCES = foo.c
libfoo_la_LIBADD = $(LIBM)
libfoo_la_LDFLAGS = -no-undefined
noinst_HEADERS = foo.h

bin_PROGRAMS = cdemo
cdemo_SOURCES = main.c
cdemo_LDADD = libfoo.la

libtool: $(LIBTOOL_DEPS)
	 $(SHELL) ./config.status --recheck
]])

AT_DATA([foo.h],
[[#ifndef FOO_H
#define FOO_H 1

/* Silly constants that the functions return. */
#define HELLO_RET 0xe110
#define FOO_RET 0xf00

extern int foo();

extern int hello();

#endif
]])

AT_DATA([foo.c],
[[#include <config.h>
#include <stdio.h>
#include <math.h>

#include "foo.h"

int foo() {
  printf ("cos (0.0) = %g\n", (double) cos ((double) 0.0));
  return FOO_RET;
}

int hello() {
  printf ("** This is libfoo **\n");
  return HELLO_RET;
}
]])

AT_DATA([main.c],
[[#include <config.h>
#include <stdio.h>
#include "foo.h"

int main ()
{
  int value;

  printf ("Welcome to GNU libtool cdemo!\n");

  value = hello();
  printf ("hello returned: %i\n", value);
  if (value == HELLO_RET)
    printf("hello is ok!\n");

  if (foo () == FOO_RET)
    printf("foo is ok!\n");

  return 0;
}
]])

LT_AT_HOST_DATA([expout],
[[Welcome to GNU libtool cdemo!
** This is libfoo **
hello returned: 57616
hello is ok!
cos (0.0) = 1
foo is ok!
]])
]) # _LT_SETUP


## ------------- ##
## Cdemo static. ##
## ------------- ##

AT_SETUP([build and link against a static library])

_LT_SETUP

LT_AT_CHECK_CONFIG([--disable-shared],
                   [^build_old_libs=yes], [^build_libtool_libs=no])
LT_AT_CHECK_EXECUTE([], [./cdemo])

AT_CLEANUP


## ------------- ##
## Cdemo shared. ##
## ------------- ##

AT_SETUP([build and link against a dynamic library])

_LT_SETUP

LT_AT_CHECK_CONFIG([--disable-static],
                   [^build_old_libs=no], [^build_libtool_libs=yes])
LT_AT_CHECK_EXECUTE([], [./cdemo])

AT_CLEANUP


## ----------- ##
## Cdemo conf. ##
## ----------- ##

AT_SETUP([build both static and dynamic])

_LT_SETUP

LT_AT_CHECK_CONFIG([],
                   [^build_old_libs=yes], [^build_libtool_libs=yes])
LT_AT_CHECK_EXECUTE([], [./cdemo])

AT_CLEANUP


## ------------ ##
## Cdemo undef. ##
## ------------ ##

AT_SETUP([allow_undefined_flag])

_LT_SETUP

LT_AT_CHECK_CONFIG([--disable-static])

AT_CHECK([$EGREP "^allow_undefined_flag=.\{0,1}unsupported.\{0,1}$" libtool && (exit 77)],
          1, [ignore])

$SED 's|allow_undefined=no|allow_undefined=yes|g' libtool > ltnew && mv -f ltnew libtool

LT_AT_CHECK_EXECUTE([], [./cdemo])

AT_CLEANUP