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# link-order.at -- ensure that library linking order matches -*- Autotest -*-
#
# Copyright (C) 2005, 2007-2008, 2011-2015 Free Software Foundation,
# Inc.
# Written by Alexandre Oliva & 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.
####
AT_SETUP([Link order test])
AT_KEYWORDS([libtool])
eval `$LIBTOOL --config | $EGREP '^(hardcode_direct|hardcode_direct_absolute|shrext_cmds)='`
LDFLAGS="$LDFLAGS -no-undefined"
module=no
eval shared_ext=\"$shrext_cmds\"
prefix_old=`pwd`/old
prefix_new=`pwd`/new
mkdir src $prefix_old $prefix_new $prefix_old/lib $prefix_new/lib
AT_DATA(src/c.c,
[[int c = 1;
]])
$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c src/c.c -o src/c.lo
$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o src/libcee.la src/c.lo -rpath $prefix_old/lib
$LIBTOOL --mode=install cp src/libcee.la $prefix_old/lib/libcee.la
for i in old new; do
rm -rf src
mkdir src
cat >src/a_$i.c <<EOF
/* w32 fun, MSVC needs to dllimport when using a shared library, so use
* DLL_EXPORT to discriminate as that happens to coinside in this case.
* gnu has auto import.
*/
#if defined _MSC_VER && defined DLL_EXPORT
# define LIBCEE_SCOPE __declspec(dllimport)
#else
# define LIBCEE_SCOPE extern
#endif
LIBCEE_SCOPE int c;
extern int b_$i();
int a_$i() { return c + b_$i(); }
EOF
cat >src/b_$i.c <<EOF
/* w32 fun, MSVC needs to dllimport when using a shared library, so use
* DLL_EXPORT to discriminate as that happens to coinside in this case.
* gnu has auto import.
*/
#if defined _MSC_VER && defined DLL_EXPORT
# define LIBCEE_SCOPE __declspec(dllimport)
#else
# define LIBCEE_SCOPE extern
#endif
LIBCEE_SCOPE int c;
int b_$i() { return 1 + c; }
EOF
prefix=`eval echo \\$prefix_$i`
$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c src/a_$i.c -o src/a.lo
$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c src/b_$i.c -o src/b.lo
$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o src/libb.la src/b.lo \
-L$prefix_old/lib -lcee -rpath $prefix/lib
$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o src/liba.la src/a.lo \
src/libb.la -L$prefix_old/lib -lcee -rpath $prefix/lib
$LIBTOOL --mode=install cp src/libb.la $prefix/lib/libb.la
AT_CHECK([$LIBTOOL --mode=install cp src/liba.la $prefix/lib/liba.la],
[0], [stdout], [stderr])
done
$LIBTOOL --mode=clean rm -f src/libb.la
$LIBTOOL --mode=clean rm -f src/liba.la
case $host_os in
aix* | interix*) ;; # These systems have different path syntax
*)
# Do not error if we do not relink (e.g. static-only systems)
case $hardcode_direct$hardcode_direct_absolute in
yesno)
AT_CHECK([if $EGREP relinking stderr; then
$EGREP " .*\/new\/lib/libb$shared_ext .*\/old\/lib/libcee$shared_ext" stdout
else :; fi], [0], [ignore], [], [echo "wrong link order"])
;;
*)
AT_CHECK([if $EGREP relinking stderr; then
$EGREP " -L.*\/new\/lib -lb -L.*\/old\/lib -lcee" stdout
else :; fi], [0], [ignore], [], [echo "wrong link order"])
;;
esac
;;
esac
for i in old new; do
cat >src/main_$i.c <<EOF
extern int a_$i();
int main(void) { return a_$i() != 3; }
EOF
prefix=`eval echo \\$prefix_$i`
$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c src/main_$i.c -o src/main_$i.lo
AT_CHECK($LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o src/main_$i$EXEEXT src/main_$i.lo -L$prefix/lib -la,
[0], [ignore], [ignore])
LT_AT_EXEC_CHECK([src/main_$i])
done
AT_CLEANUP
|
