# stresstest.at -- Libtool stress test                       -*- Autotest -*-
#
#   Copyright (C) 2005-2008, 2011-2019, 2021-2022 Free Software
#   Foundation, Inc.
#   Written by Ralf Wildenhues, 2005
#
#   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.
####

# Test various flag and option combinations.
# Test linkage against objects in various sections.

# Note: This test is experimental, and might be too strict for some systems.

AT_BANNER([Libtool stress test.])
AT_SETUP([Link option thorough search test])
AT_KEYWORDS([libtool expensive])
eval `$LIBTOOL --config | $EGREP '^(CC|objdir|allow_undefined_flag)='`

mkdir sub sub2 sub3 2>/dev/null

AT_DATA(a.c,
[[/* all kinds of data items */
#ifdef __cplusplus
extern "C" {
#endif
int v1;
static int v2;
int v3 = 0;
int v4 = 1;
extern const int v5, v6;
extern const char *v7;
extern const char v8[];
extern int (*const v12) (void);
const int v5 = 0;
const int v6 = 1;
const char* v7 = "\01foo";
const char v8[] = "\01bar";
int v9(void) { return v2 + 1; }
int (*v10) (void);
int (*v11) (void) = v9;
int (*const v12) (void) = v9;

typedef struct { int arr[1000]; } large;
large v13;
large v14 = { { 0 } };
large v15 = { { 1 } };
#ifdef __cplusplus
}
#endif
]])

AT_DATA(asyms,
[[v1
v3
v4
v5
v6
v7
v8
v9
v10
v11
v12
v13
v14
v15
]])

AT_DATA(b.c,
[[int b = 42;
int b3 = 1;
int ab = 1;
]])

AT_DATA(main.c,
[[
#if defined LIBA_DLL_IMPORT
#  if defined _WIN32 || defined WIN32 || defined __CYGWIN__
#    define LIBA_SCOPE extern __declspec(dllimport)
#    if defined _MSC_VER
#      define LIBA_SCOPE_VAR LIBA_SCOPE
#    endif
#  endif
#endif
#if !defined LIBA_SCOPE
#  define LIBA_SCOPE extern
#endif
#if !defined LIBA_SCOPE_VAR
#  define LIBA_SCOPE_VAR extern
#endif
#ifdef __cplusplus
extern "C" {
#endif
LIBA_SCOPE_VAR int v1;
LIBA_SCOPE_VAR int v3, v4;
LIBA_SCOPE const int v5, v6;
LIBA_SCOPE_VAR const char* v7;
LIBA_SCOPE_VAR const char v8[];
extern int v9(void);
LIBA_SCOPE_VAR int (*v10) (void);
LIBA_SCOPE_VAR int (*v11) (void);
LIBA_SCOPE int (*const v12) (void);
#ifdef __cplusplus
}
#endif

typedef struct { int arr[1000]; } large;
LIBA_SCOPE_VAR large v13, v14, v15;

int main(void)
{
  char s = v7[0] + v8[0];
  return s + v1 + v3 + v4 + v5 + v6 + v9() + v11() + v12()
	   + v13.arr[0] + v14.arr[0] + v15.arr[0]
           - 8;
}
]])

AT_DATA(dlself.c,
[[
#if defined LIBA_DLL_IMPORT
#  if defined _WIN32 || defined WIN32 || defined __CYGWIN__
#    define LIBA_SCOPE extern __declspec(dllimport)
#    if defined _MSC_VER
#      define LIBA_SCOPE_VAR LIBA_SCOPE
#    endif
#  endif
#endif
#if !defined LIBA_SCOPE
#  define LIBA_SCOPE extern
#endif
#if !defined LIBA_SCOPE_VAR
#  define LIBA_SCOPE_VAR extern
#endif
#ifdef __cplusplus
extern "C" {
#endif
LIBA_SCOPE_VAR int v1;
LIBA_SCOPE_VAR int v3, v4;
LIBA_SCOPE const int v5, v6;
LIBA_SCOPE_VAR const char* v7;
LIBA_SCOPE_VAR const char v8[];
extern int v9(void);
LIBA_SCOPE_VAR int (*v10) (void);
LIBA_SCOPE_VAR int (*v11) (void);
LIBA_SCOPE int (*const v12) (void);

typedef struct { int arr[1000]; } large;
LIBA_SCOPE_VAR large v13, v14, v15;

extern int w1;
extern int w3, w4;
extern const int w5, w6;
extern const char* w7;
extern const char w8[];
extern int w9(void);
extern int (*w10) (void);
extern int (*w11) (void);
extern int (*const w12) (void);
extern large w13, w14, w15;
#ifdef __cplusplus
}
#endif

int main(void)
{
  char s = v7[0] + v8[0] + w7[0] + w8[0];
  return s + v1 + v3 + v4 + v5 + v6 + v9() + v11() + v12()
	   + v13.arr[0] + v14.arr[0] + v15.arr[0]
	   + w1 + w3 + w4 + w5 + w6 + w9() + w11() + w12()
	   + w13.arr[0] + w14.arr[0] + w15.arr[0]
           - 16;
}


#ifdef __cplusplus
extern "C" {
#endif
int w1;
static int w2;
int w3 = 0;
int w4 = 1;
const int w5 = 0;
const int w6 = 1;
const char* w7 = "\01foo";
const char w8[] = "\01bar";
int w9(void) { return w2 + 1; }
int (*w10) (void);
int (*w11) (void) = w9;
int (*const w12) (void) = w9;
large w13;
large w14 = { { 0 } };
large w15 = { { 1 } };
#ifdef __cplusplus
}
#endif
]])

AT_DATA(dlselfsyms,
[[w1
w3
w4
w5
w6
w7
w8
w9
w10
w11
w12
w13
w14
w15
]])


AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c a.c -o sub/a.lo],
	 [0],[ignore],[ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c b.c -o sub/b.lo],
	 [0],[ignore],[ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS -DLIBA_DLL_IMPORT $CFLAGS -c main.c],
	 [0],[ignore],[ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c main.c -o main-static.lo],
	 [0],[ignore],[ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS -DLIBA_DLL_IMPORT $CFLAGS -c dlself.c -o sub3/dlself.lo],
	 [0],[ignore],[ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c dlself.c -o sub3/dlself-static.lo],
	 [0],[ignore],[ignore])

case $allow_undefined_flag in
  unsupported) undef_opts=-no-undefined ;;
  *)           undef_opts='"" -no-undefined' ;;
esac

# expose problems with the regex:
touch vfoo v.bar

for l1 in $undef_opts
do
  for l2 in '' '-export-symbols-regex "v.*"' '-export-symbols asyms'
  do
    for l3 in '' '-rpath /nonexistent'
    do
      linkargs="$l1 $l2 $l3"
      for rel in '' ./ `pwd`/
      do
	LT_AT_CHECK([eval '$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o "$rel"sub2/liba.la "$rel"sub/a.lo' $linkargs],
	         [0],[ignore],[ignore])
	for st in '' '-static' '-no-install'
	do
	  # if '-static' is not passed, and the library is shared, then we have
	  # to use -DLIBA_DLL_IMPORT, thus main.lo (and not main-static.lo).
	  case $st,$l3 in
	  -static,*) mst=-static ;;
	  *,-rpath*) mst= ;;
	  *) mst=-static ;;
	  esac

	  LT_AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $st -o "$rel"main$EXEEXT "$rel"main$mst.lo "$rel"sub2/liba.la],
		   [0],[ignore],[ignore])
	  LT_AT_EXEC_CHECK([./main],[0])
	  for l10 in '' '-export-symbols dlselfsyms'
	  do
	    LT_AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $st -o "$rel"sub3/dlself$EXEEXT "$rel"sub3/dlself$mst.lo "$rel"sub2/liba.la sub/b.lo -dlopen self $l10],
		     [0],[ignore],[ignore])
	    LT_AT_EXEC_CHECK([./sub3/dlself],[0])
	  done
	done
      done
    done
  done
done

AT_CLEANUP
