| # link-order2.at -- test link order of deplibs -*- Autotest -*- |
| # |
| # Copyright (C) 2006, 2007 Free Software Foundation, Inc. |
| # Written by Ralf Wildenhues, 2006 |
| # |
| # 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. |
| #### |
| |
| # link-order2.test: make sure that depdepls are added right after |
| # the libs that pull them in: necessary at least for static linking |
| # and on systems where libraries do not link against other libraries. |
| # |
| # We test by overriding one symbol from a depdepl library. |
| # Test both a libtool library and a non-libtool library (simulated |
| # by removing the .la file, and setting $shlibpath_var so it is |
| # found at runtime). In order to ensure that the depdepl is |
| # actually loaded in each case, we also use an unrelated symbol |
| # from it directly in the main program. We test for failure by |
| # reversing the link order. |
| # We test both static and shared: it should work in both cases. |
| # But for the static case to work, the two symbols in the depdepl |
| # need to be in separate object files, otherwise duplicate symbol |
| # definitions can happen. |
| |
| # The shared case fails on AIX without runtimelinking and on Darwin. |
| # On Darwin, using shared libs this only works without -no-undefined |
| # and only with MACOS_DEPLOYMENT_TARGET 10.2 and earlier |
| # (in that case $allow_undefined_flag contains -flat_namespace). |
| |
| AT_SETUP([Link order of deplibs.]) |
| AT_KEYWORDS([libtool]) |
| |
| eval `$LIBTOOL --config | $EGREP '^(shlibpath_var|allow_undefined_flag)='` |
| |
| undefined_setting=-no-undefined |
| shared_fails=no |
| case $host_os,$LDFLAGS,$allow_undefined_flag in |
| aix*,*-brtl*,*) ;; |
| aix*) shared_fails=yes ;; |
| darwin*,*,*-flat_namespace*) undefined_setting= ;; |
| darwin*,*,*) shared_fails=yes ;; |
| esac |
| |
| deflibdir=`pwd`/lib |
| defbindir=`pwd`/lib |
| libdir=`pwd`/inst/lib |
| bindir=`pwd`/inst/bin |
| mkdir bin lib inst inst/bin inst/lib |
| LDFLAGS="$LDFLAGS $undefined_setting -L$deflibdir" |
| |
| cat >a0.c <<\EOF |
| int a (void) { return 1; } |
| EOF |
| |
| cat >a1.c <<\EOF |
| int a (void) { return 0; } |
| EOF |
| |
| cat >b.c <<\EOF |
| int a (void); |
| int b (void) { return a (); } |
| EOF |
| |
| cat >main.c <<\EOF |
| #include <stdlib.h> |
| extern int a (void); |
| extern int b (void); |
| int main (void) |
| { |
| return a () + b (); |
| } |
| EOF |
| |
| for file in a0 a1 b; do |
| $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c $file.c |
| done |
| $CC $CPPFLAGS $CFLAGS -c main.c |
| |
| # Build an old, installed library. |
| $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $static -o liba0.la a0.lo -rpath $deflibdir |
| $LIBTOOL --mode=install cp liba0.la $deflibdir/liba0.la |
| $LIBTOOL --mode=clean rm -f liba0.la |
| |
| for type_of_depdepl in libtool non-libtool; do |
| echo "type of depdepl: $type_of_depdepl" |
| if test $type_of_depdepl = non-libtool; then |
| # Simulate a non-Libtool system library. |
| rm $deflibdir/liba1.la |
| addpath=$deflibdir |
| if test "$shlibpath_var" = PATH; then |
| addpath=$defbindir |
| fi |
| sep= |
| eval test -n \"\$$shlibpath_var\" && sep=: |
| eval $shlibpath_var='$addpath$sep$'$shlibpath_var |
| export $shlibpath_var |
| fi |
| for static in '' -static-libtool-libs; do |
| case `$LIBTOOL --features` in |
| *disable\ static\ libraries*) test "$static" = '' || continue;; |
| esac |
| test "$type_of_depdepl,$static" = "non-libtool,-static-libtool-libs" && |
| static=-all-static |
| $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $static -o liba1.la a1.lo -rpath $libdir |
| $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $static -o libb.la b.lo liba1.la -rpath $libdir |
| AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $static -o main main.$OBJEXT libb.la -la0], |
| [], [ignore], [ignore]) |
| LT_AT_EXEC_CHECK([./main]) |
| # Now test that if we reverse the link order, the program fails. |
| AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS $static -o wrong main.$OBJEXT -la0 libb.la], |
| [], [ignore], [ignore]) |
| if test $shared_fails,$static != yes,; then |
| LT_AT_EXEC_CHECK([./wrong], [2]) |
| fi |
| |
| $LIBTOOL --mode=install cp liba1.la $libdir/liba1.la |
| $LIBTOOL --mode=install cp libb.la $libdir/libb.la |
| $LIBTOOL --mode=install cp main $bindir/main |
| $LIBTOOL --mode=install cp wrong $bindir/wrong |
| $LIBTOOL --mode=clean rm -f liba1.la libb.la |
| LT_AT_EXEC_CHECK([$bindir/main]) |
| if test $shared_fails,$static != yes,; then |
| LT_AT_EXEC_CHECK([$bindir/wrong], [2]) |
| fi |
| done |
| done |
| |
| AT_CHECK([test $shared_fails = no || (exit 77)]) |
| |
| # Now the converse: if both the program and the library need libm, then |
| # it needs to be sorted last. (TODO) |
| |
| AT_CLEANUP |