tests/stresstest.at - libtool - Git at Google

 # stresstest.at -- Libtool stress test                       -*- Autotest -*-
 #
 #   Copyright (C) 2005-2008, 2011-2019, 2021-2025 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.  If not, see <https://www.gnu.org/licenses/>.
 ####

 # 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
	# stresstest.at -- Libtool stress test -- Autotest --
	#
	# Copyright (C) 2005-2008, 2011-2019, 2021-2025 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. If not, see <https://www.gnu.org/licenses/>.
	####

	# 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