summaryrefslogtreecommitdiff
path: root/tests/need_lib_prefix.at
blob: c3a704cb1f6e1173e3750a9ad97f2f71bc87a12e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
# need-lib-prefix.at -- test libltdl functionality            -*- Autotest -*-
#
#   Copyright (C) 2007-2008, 2010-2015 Free Software Foundation, Inc.
#   Written by Gary V. Vaughan, 2007
#
#   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_SETUP([enforced lib prefix])
AT_KEYWORDS([libltdl libtool])

# Originally written to simulate a failure visible on systems
# that need a library prefix like 'lib', such as BeOS.  Currently
# the prefix is hardcoded as 'lib', so systems that require a
# different prefix skips the test.

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

typedef int fun (int);

static int errors = 0;

static void
complain (const char *msg)
{
  const char *errmsg = lt_dlerror ();
  fprintf (stderr, "%s", msg);
  if (errmsg)
    fprintf (stderr, ": %s\n", errmsg);
  else
    fprintf (stderr, ".\n");
  ++errors;
}

static lt_dlhandle
moduleopen (const char *filename)
{
  lt_dlhandle handle;

  handle = lt_dlopen (filename);
  if (!handle)
    {
      fprintf (stderr, "can't open the module %s!\n", filename);
      complain ("error was");
    }

  return handle;
}

static int
moduletest (lt_dlhandle handle)
{
  const lt_dlinfo *info = lt_dlgetinfo (handle);
  fun *f = (fun *) lt_dlsym (handle, "f");
  int *v = (int *) lt_dlsym (handle, "i");

  if (!f)
    {
      complain ("function 'f' not found");
      return 1;
    }
  if (!v)
    {
      complain ("variable 'i' not found");
      return 1;
    }
  printf ("%s: %d\n", info->name, f (*v));

  return 0;
}

int
main (int argc, char **argv)
{
  lt_dlhandle handle;

  LTDL_SET_PRELOADED_SYMBOLS();

  if (lt_dlinit() != 0)
    {
      fprintf (stderr, "error during initialization: %s\n", lt_dlerror());
      return 1;
    }

  if (lt_dlpreload_open (0, moduletest) != 0)
    complain ("error during preloading");

  if (lt_dlexit () != 0)
    complain ("error during exit");

  return (errors != 0);
}
]])

AT_DATA([foo1.c],
[[#define f foo1_LTX_f
#define i foo1_LTX_i
#ifdef __cplusplus
extern "C" {
#endif
int f (int x) { return x / 3; }
int i = 7;
#ifdef __cplusplus
}
#endif
]])

AT_DATA([foo2.c],
[[#define f libfoo2_LTX_f
#define i libfoo2_LTX_i
#ifdef __cplusplus
extern "C" {
#endif
int f (int x) { return (x * x) / 10; }
int i = 6;
#ifdef __cplusplus
}
#endif
]])

LT_AT_HOST_DATA([expout],
[[libfoo1: 2
libfoo2: 3
]])

: ${LTDLINCL="-I$abs_top_srcdir/libltdl"}
: ${LIBLTDL="$abs_builddir/../libltdl/libltdlc.la"}

# Skip this test when called from:
#    make distcheck DISTCHECK_CONFIGURE_FLAGS=--disable-ltdl-install
AT_CHECK([case $LIBLTDL in #(
 */_inst/lib/*) test -f "$LIBLTDL" || (exit 77) ;;
esac], [], [ignore])

CPPFLAGS="$LTDLINCL $CPPFLAGS"
LDFLAGS=$LDFLAGS

# Skip this test when libraries are not normally prefixed with lib.
# E.g., for MSVC and OS/2.
eval "`$LIBTOOL --config | $EGREP '^(libname_spec)='`"
name=
eval libname=\"$libname_spec\"
AT_CHECK([test lib = "$libname" || exit 77])

# Create our own libtool, forcing need_lib_prefix setting
$SED 's|^\(need_lib_prefix\)=.*$|\1=unknown|' $LIBTOOL > ./libtool
LIBTOOL="$SHELL ./libtool"

# Installation directory:
instdir=`pwd`/_inst

$CC $CPPFLAGS $CFLAGS -c main.c
for file in foo1 foo2; do
  $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c $file.c
done

AT_CHECK([$LIBTOOL --mode=link $CC -module -avoid-version $CFLAGS $LDFLAGS -o foo1.la foo1.lo -rpath $instdir/lib],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC -module -avoid-version $CFLAGS $LDFLAGS -o libfoo2.la foo2.lo -rpath $instdir/lib],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT -dlpreopen foo1.la -dlpreopen libfoo2.la $LIBLTDL],
          [], [ignore], [ignore])

LT_AT_NOINST_EXEC_CHECK([./main], [-dlopen foo1.la -dlopen libfoo2.la],
	      [], [expout], [])

# Install the libraries.
mkdir $instdir
mkdir $instdir/lib
$LIBTOOL --mode=install cp foo1.la $instdir/lib/foo1.la
$LIBTOOL --mode=install cp libfoo2.la $instdir/lib/libfoo2.la

# Install the binary
mkdir $instdir/bin
$LIBTOOL --mode=install cp main$EXEEXT $instdir/bin/main$EXEEXT

LT_AT_EXEC_CHECK([$instdir/bin/main], [], [expout], [])

AT_CLEANUP