# depdemo.at -- Library interdependencies		 -*- Autotest -*-
#
#   Copyright (C) 2003-2004, 2011-2019, 2021-2022 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; see the file COPYING.  If not, a copy
# can be downloaded from  http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####


AT_BANNER([Library interdependencies.])

## ------------------------------------------- ##
## Some functions shared by later tests cases. ##
## ------------------------------------------- ##

func_restore_files ()
{
    test "`echo _fnord/temp/libs/*`" = "_fnord/temp/libs/*" \
      || mv -f _fnord/temp/libs/* "l3/$objdir"
    mv -f "_fnord/temp/libl3.la" "l3"
    test -f "_fnord/temp/lt-depdemo$EXEEXT" \
      && mv -f "_fnord/temp/lt-depdemo$EXEEXT" "$objdir"
    test -f "_fnord/temp/depdemo$EXEEXT" \
      && mv -f "_fnord/temp/depdemo$EXEEXT" "$objdir"
    rm -rf "_fnord"
}

func_save_files ()
{
    test -n "$objdir" || exit 1
    $lt_INSTALL -d "_fnord/temp/libs"
    test -f "$objdir/lt-depdemo$EXEEXT" \
      && cp -f "$objdir/lt-depdemo$EXEEXT" "_fnord/temp"
    test -f "$objdir/depdemo$EXEEXT" \
      && cp -f "$objdir/depdemo$EXEEXT" "_fnord/temp"
    cp -f l3/libl3.la "_fnord/temp"
    cp -f l3/"$objdir"/* "_fnord/temp/libs"
}


# _LT_SETUP
# ---------
m4_define([_LT_SETUP],
[AT_DATA([configure.ac],
[[AC_INIT([depdemo], ]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([win32-dll])
AC_SUBST([LIBTOOL_DEPS])
STATIC=
test yes = "$enable_static" && STATIC=-static
AC_SUBST([STATIC])

LT_LIB_M
AC_CONFIG_FILES([Makefile l1/Makefile l2/Makefile l3/Makefile l4/Makefile])
AC_CONFIG_HEADERS([config.h:config.in.h])
AC_OUTPUT
]])

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

SUBDIRS = l1 l2 l3 l4

bin_PROGRAMS = depdemo depdemo_static

depdemo_SOURCES = main.c
depdemo_LDADD = $(top_builddir)/l1/libl1.la $(top_builddir)/l2/libl2.la \
		$(top_builddir)/l4/libl4.la
depdemo_DEPENDENCIES = $(top_builddir)/l1/libl1.la \
		$(top_builddir)/l2/libl2.la $(top_builddir)/l4/libl4.la

depdemo_static_SOURCES = $(depdemo_SOURCES)
depdemo_static_LDADD = $(depdemo_LDADD)
depdemo_static_DEPENDENCIES = $(depdemo_DEPENDENCIES)
depdemo_static_LDFLAGS = $(STATIC)

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

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

#include "l1/l1.h"
#include "l2/l2.h"
#include "l4/l4.h"

#define STREQ !strcmp

int main (int argc, char **argv)
{
  printf("dependencies:\n");
  func_l1(0);
  func_l2(0);
  func_l4(0);
  if (argc == 2 && STREQ (argv[1], "-alt")
      && var_l1 + var_l2 + var_l4 == 8)
	return 0;
  printf("var_l1(%d) + var_l2(%d) + var_l4(%d) == %d\n",
         var_l1,var_l2,var_l4, var_l1 + var_l2 + var_l4);
  if (var_l1 + var_l2 + var_l4 != 19)
    {
	printf("var_l1(%d) + var_l2(%d) + var_l4(%d) != 19\n",
               var_l1,var_l2,var_l4);
	return 1;
    }
  return 0;
}
]])

# Create 4 directorys of mostly identical files.
for i in 1 2 3 4; do
  mkdir l$i

  # l$i/Makefile.am:
  {
    $ECHO     'AUTOMAKE_OPTIONS = no-dependencies foreign'
    $ECHO     'AM_CPPFLAGS = -I$(top_srcdir) -DBUILDING_LIBL'$i
    $ECHO     'lib_LTLIBRARIES = libl'$i'.la'
    $ECHO     'libl'$i'_la_SOURCES = l'$i'.c l'$i'.h'
    $ECHO     'libl'$i'_la_LDFLAGS = -no-undefined'
    $ECHO     'libl'$i'_la_LIBADD ='
    if test 4 != $i; then
      j=1; while test "$j" -lt "$i"; do
        $ECHO 'libl'$i'_la_LIBADD += $(top_builddir)/l'$j'/libl'$j'.la'
        j=`expr 1 + $j`
      done
    else
      j=3
      $ECHO   'libl'$i'_la_LIBADD += $(top_builddir)/l'$j'/libl'$j'.la $(LIBM)'
    fi
  } > l$i/Makefile.am

  # l$i/l$i.h
  [{
    $ECHO '#ifndef L'$i'_H'
    $ECHO '#define L'$i'_H'
    $ECHO
    $ECHO '#if (defined _WIN32 || defined _WIN32_WCE) && !defined __GNUC__'
    $ECHO '#  ifdef BUILDING_LIBL'$i
    $ECHO '#    ifdef DLL_EXPORT'
    $ECHO '#      define LIBL'$i'_SCOPE extern __declspec (dllexport)'
    $ECHO '#    endif'
    $ECHO '#  else'
    $ECHO '#    define LIBL'$i'_SCOPE extern __declspec (dllimport)'
    $ECHO '#  endif'
    $ECHO '#endif'
    $ECHO '#ifndef LIBL'$i'_SCOPE'
    $ECHO '#  define LIBL'$i'_SCOPE extern'
    $ECHO '#endif'
    $ECHO
    $ECHO '#ifdef __cplusplus'
    $ECHO 'extern "C" {'
    $ECHO '#endif'
    $ECHO
    $ECHO '  LIBL'$i'_SCOPE int var_l'$i';'
    $ECHO '  int func_l'$i' (int);'
    $ECHO
    $ECHO '#ifdef __cplusplus'
    $ECHO '}'
    $ECHO '#endif'
    $ECHO '#endif'
  }] > l$i/l$i.h

  # l$i/l$i.c:
  {
    if test 4 -ne $i; then
      $ECHO     '#include <config.h>'
      $ECHO     '#include <stdio.h>'
      $ECHO
      $ECHO     '#include "l'$i'/l'$i'.h"'
      j=1; while test "$j" -lt "$i"; do
        $ECHO   '#include "l'$j'/l'$j'.h"'
        j=`expr 1 + $j`
      done
      $ECHO
      $ECHO     'int var_l'$i' = 0;'
      $ECHO     'int func_l'$i' (int indent) {'
      $ECHO     '  int i;'
      $ECHO     '  for (i = 0; i < indent; i++)'
      $ECHO     "    putchar (' ');"
      $ECHO     '  printf ("l'$i' (%i)\n", var_l'$i');'
      if test 1 -eq $i; then
        $ECHO   '  var_l1++;'
      else
        j=1; while test "$j" -lt "$i"; do
          $ECHO '  func_l'$j'(indent+1);'
          $ECHO '  var_l'$i' += var_l'$j';'
          j=`expr 1 + $j`
        done
      fi
      $ECHO     '  return 0;'
      $ECHO     '}'
    else
      j=3
      $ECHO     '#include <config.h>'
      $ECHO     '#include <stdio.h>'
      $ECHO     '#include <math.h>'
      $ECHO     '#include "l'$i'/l'$i'.h"'
      $ECHO     '#include "l'$j'/l'$j'.h"'
      $ECHO
      $ECHO     'int var_l'$i' = 0;'
      $ECHO     'int func_l'$i' (int indent) {'
      $ECHO     '  int i;'
      $ECHO     '  for (i = 0; i < indent; i++)'
      $ECHO     "    putchar (' ');"
      $ECHO     '  printf ("l'$i' (%i)\n", var_l'$i');'
      $ECHO     '  func_l'$j'(indent+1);'
      $ECHO     '  for (i = 0; i < indent; i++)'
      $ECHO     "    putchar (' ');"
      $ECHO     '  printf("libm [cos (0.0) = %g]\n", (double) cos ((double) 0.0));'
      $ECHO     '  var_l'$i' += var_l'$j';'
      $ECHO     '  return 0;'
      $ECHO     '}'
    fi
  } > l$i/l$i.c
done


LT_AT_HOST_DATA([expout],
[[dependencies:
l1 (0)
l2 (0)
 l1 (1)
l4 (0)
 l3 (0)
  l1 (2)
  l2 (2)
   l1 (3)
libm cos (0.0) = 1
var_l1(4) + var_l2(6) + var_l4(9) == 19
]])

prefix=`pwd`/_inst
]) # _LT_SETUP



# _LT_CHECK_EXECUTE([TARGETS])
# ----------------------------
# Run the listed make rules, and check that the built binaries work.
m4_define([_LT_CHECK_EXECUTE],
[LT_AT_CHECK_EXECUTE([$1],
        [./depdemo_static], [./depdemo])
])

# _LT_CHECK_INSTALL
# -----------------
# Run the make install rule, and check that installed binaries work too.
m4_define([_LT_CHECK_INSTALL],
[# Windows hosts search for dlls in the command path.
PATH=$prefix/lib:$PATH
LT_AT_CHECK_EXECUTE([install],
        [$prefix/bin/depdemo_static], [$prefix/bin/depdemo])
])


## --------------- ##
## Depdemo static. ##
## --------------- ##

AT_SETUP([static library interdependencies])

_LT_SETUP

LT_AT_CHECK_CONFIG([--disable-shared],
                   [^build_old_libs=yes], [^build_libtool_libs=no])
_LT_CHECK_EXECUTE
_LT_CHECK_INSTALL
LT_AT_CHECK_UNINSTALL

AT_CLEANUP


## --------------- ##
## Depdemo shared. ##
## --------------- ##

AT_SETUP([shared library interdependencies])

_LT_SETUP

LT_AT_CHECK_CONFIG([--disable-static],
                   [^build_old_libs=no], [^build_libtool_libs=yes])
_LT_CHECK_EXECUTE
_LT_CHECK_INSTALL
LT_AT_CHECK_UNINSTALL

AT_CLEANUP


## ------------- ##
## Depdemo conf. ##
## ------------- ##

AT_SETUP([shared and static interdependencies])

_LT_SETUP

LT_AT_CHECK_CONFIG([],
                   [^build_old_libs=yes], [^build_libtool_libs=yes])
_LT_CHECK_EXECUTE
_LT_CHECK_INSTALL
LT_AT_CHECK_UNINSTALL

AT_CLEANUP


## --------------- ##
## Depdemo nofast. ##
## --------------- ##

AT_SETUP([disable fast install])

_LT_SETUP

LT_AT_CHECK_CONFIG([--enable-fast-install=no])
AT_CHECK([$EGREP '^hardcode_action=relink' libtool && (exit 77)], 1)

_LT_CHECK_EXECUTE
_LT_CHECK_INSTALL
LT_AT_CHECK_UNINSTALL

AT_CLEANUP


## --------------- ##
## Depdemo relink. ##
## --------------- ##

AT_SETUP([binary relinking at install time])
AT_KEYWORDS([interactive])dnl This test causes a popup on Windows

_LT_SETUP

LT_AT_CHECK_CONFIG
_LT_CHECK_EXECUTE
_LT_CHECK_INSTALL

# Check to make sure we have a dynamic library.
eval `$EGREP '^library_names=' l3/libl3.la`
AT_CHECK([test -n "$library_names" || (exit 77)])

func_save_files

# AIX 5.3 '/bin/sh' will invoke the trap for 0 at the end of a
# function, so we set the trap outside of a function to be portable.
trap func_restore_files 0 1 2 13 15

eval "`$LIBTOOL --config | $EGREP '^shlibpath_overrides_runpath='`"
eval "`$LIBTOOL --config | $EGREP '^hardcode_(action|direct|into_libs)='`"

# Can't finish these tests reliably when cross-compiling.
AT_CHECK([test "X$host" = "X$build" || (exit 77)])

# Allow the binary to link on-demand if need be.
./depdemo$EXEEXT >/dev/null || :

# Remove l3/libl3.la from build tree.
rm -f l3/libl3.la "l3/$objdir"/libl3.*

# Either:
#  - uninstalled ./depdem will run using the just installed libraries
#    when the uninstalled libs are missing;
#  - on AIX 4.1, when the installed copy of libl3 is loaded, it brings
#    with it the installed copies of libl1 and libl2, with disjoint
#    counters var_l1 and var_l2.  This is arguably unacceptable behaviour
#    but definitely not enough of a reason for the test to fail;
#  - or relinking at install time is necessary, and the uninstalled
#    depdemo has only the uninstalled library paths hardcoded.
AT_CHECK([./depdemo$EXEEXT >/dev/null ||
    ./depdemo$EXEEXT -alt ||
    test relink,yes = "$hardcode_action,$hardcode_direct"])

# Link an incomplete l3/libl3.la.
(cd l3 &&
 LT_AT_MAKE([libl3.la], [libl3_la_OBJECTS=../l2/l2.lo])
)
AT_CHECK([test -f l3/libl3.la])

# Try running uninstalled ./depdemo with only broken libl3.la in build tree.
# If the following has normal exit status, shlibpath_overrides_runpath is
# wrong, and should be set to 'no' on this host.
# The unusual '|| (exit 1)' is to normalize all non-zero exit statuses.
AT_CHECK([./depdemo$EXEEXT || (exit 1)], 1, [ignore], [ignore])

test relink = "$hardcode_action" ||
test yes = "$shlibpath_overrides_runpath" ||
{
    AT_CHECK([rm -f $objdir/lt-depdemo$EXEEXT])
    AT_CHECK([cp $objdir/depdemo$EXEEXT $objdir/lt-depdemo$EXEEXT])

    # Running depdemo with installed libl3.la.
    # If the following check fails, then shlibpath_overrides_runpath is
    # wrong, and should be set to 'yes' on this host.
    LT_AT_CHECK([./depdemo], 0, [expout])
}

# Undo the effect of the previous 'trap' command. Some shellology:
# We cannot use "trap - 0 1 2 3 13 15", because Solaris sh would attempt to
# execute the command "-". "trap '' ..." is fine only for signal 0 (= normal
# exit); for the others we need to call 'exit' explicitly. The value of $? is
# 128 + signal number and is set before the trap-registered command is run.
trap '' 0
trap 'func_exit $?' 1 2 3 13 15

AT_CLEANUP