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b28132eaba
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Signed-off-by: Peter Rosin <peda@lysator.liu.se>
198 lines
5.3 KiB
Plaintext
198 lines
5.3 KiB
Plaintext
# export.at -- test symbol exports -*- Autotest -*-
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# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
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# Written by Ralf Wildenhues, 2007
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#
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# This file is part of GNU Libtool.
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#
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# GNU Libtool is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# GNU Libtool is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Libtool; see the file COPYING. If not, a copy
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# can be downloaded from http://www.gnu.org/licenses/gpl.html,
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# or obtained by writing to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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####
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AT_SETUP([Export test])
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AT_KEYWORDS([libtool])
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AT_CHECK([$LIBTOOL --features | grep 'disable shared libraries' && (exit 77)],
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[1], [ignore])
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AT_CHECK([eval `$LIBTOOL --config | sed -n '/^archive_expsym_cmds=/,/^$/p'`
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test -n "$archive_expsym_cmds" || echo false >can-hide
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case $archive_expsym_cmds in
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*-retain-symbols-file*) echo false >can-hide ;;
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esac])
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can_hide=:
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test -s can-hide && can_hide=false
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LDFLAGS="$LDFLAGS -no-undefined"
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libdir=`pwd`/inst/lib
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mkdir inst inst/lib
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AT_DATA(a.c,
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[[/* all kinds of data items */
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#ifdef __cplusplus
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extern "C" {
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#endif
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int v1;
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static int v2;
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int v3 = 0;
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int v4 = 1;
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extern const int v5, v6;
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extern const char *v7;
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extern const char v8[];
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extern int (*const v12) (void);
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const int v5 = 0;
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const int v6 = 1;
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const char* v7 = "\01foo";
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const char v8[] = "\01bar";
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int v9(void) { return v2 + 1; }
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int (*v10) (void);
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int (*v11) (void) = v9;
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int (*const v12) (void) = v9;
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typedef struct { int arr[1000]; } large;
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large v13;
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large v14 = { { 0 } };
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large v15 = { { 1 } };
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int w1 (void) { return 0; }
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#ifdef __cplusplus
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}
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#endif
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]])
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AT_DATA(asyms,
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[[v1
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v3
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v4
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v5
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v6
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v7
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v8
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v9
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v10
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v11
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v12
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v13
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v14
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v15
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]])
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AT_DATA(main.c,
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[[
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/* w32 fun. With GCC, you can have auto-import, which will work for
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* functions and non-const variables. With MSVC, you have to explicitly
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* import all variables. Depending on the amount of portability, you
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* need these annotations: LIBA_SCOPE for GCC, and also LIBA_SCOPE_VAR
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* for MSVC. Of course you can merge both to one, this test only avoids
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* that in order to expose the auto-import feature on Cygwin.
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*
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* For users, it's best to realize that they should not provide any
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* non-function API at all.
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*/
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#if defined(LIBA_DLL_IMPORT)
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# if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__)
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# define LIBA_SCOPE extern __declspec(dllimport)
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# if defined(_MSC_VER)
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# define LIBA_SCOPE_VAR LIBA_SCOPE
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# endif
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# endif
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#endif
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#if !defined(LIBA_SCOPE)
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# define LIBA_SCOPE extern
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#endif
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#if !defined(LIBA_SCOPE_VAR)
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# define LIBA_SCOPE_VAR extern
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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LIBA_SCOPE_VAR int v1;
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LIBA_SCOPE_VAR int v3, v4;
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LIBA_SCOPE const int v5, v6;
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LIBA_SCOPE_VAR const char* v7;
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LIBA_SCOPE_VAR const char v8[];
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extern int v9(void);
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LIBA_SCOPE_VAR int (*v10) (void);
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LIBA_SCOPE_VAR int (*v11) (void);
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LIBA_SCOPE int (*const v12) (void);
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#ifdef __cplusplus
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}
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#endif
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typedef struct { int arr[1000]; } large;
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LIBA_SCOPE_VAR large v13, v14, v15;
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int main (void)
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{
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char s = v7[0] + v8[0];
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return s + v1 + v3 + v4 + v5 + v6 + v9() + v11() + v12()
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+ v13.arr[0] + v14.arr[0] + v15.arr[0]
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- 8;
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}
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]])
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AT_DATA([broken.c],
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[[
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/* these symbols should not be exported */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int w1 (void);
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#ifdef __cplusplus
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}
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#endif
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int main (void)
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{
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return w1 ();
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}
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]])
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AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c a.c],[0],[ignore],[ignore])
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AT_CHECK([$CC $CPPFLAGS -DLIBA_DLL_IMPORT $CFLAGS -c main.c],[0],[ignore],[ignore])
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AT_CHECK([$CC $CPPFLAGS $CFLAGS -c broken.c],[0],[ignore],[ignore])
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for exportsyms in '' '-export-symbols-regex "v.*"' '-export-symbols asyms'
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do
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# case 1: shared library built from object.
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LT_AT_CHECK([eval '$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o liba.la a.lo \
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-rpath $libdir' $exportsyms], [], [ignore], [ignore])
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AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT liba.la],
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[], [ignore], [ignore])
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LT_AT_EXEC_CHECK([./main])
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if test -n "$exportsyms" && $can_hide; then
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AT_CHECK([if $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o broken$EXEEXT broken.$OBJEXT liba.la
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then (exit 1); else :; fi], [], [ignore], [ignore])
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fi
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# case 2: shared library built from convenience archive.
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AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o libconv.la a.lo],
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[], [ignore], [ignore])
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LT_AT_CHECK([eval '$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o liba.la libconv.la \
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-rpath $libdir' $exportsyms], [], [ignore], [ignore])
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AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT liba.la],
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[], [ignore], [ignore])
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LT_AT_EXEC_CHECK([./main])
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if test -n "$exportsyms" && $can_hide; then
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AT_CHECK([if $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o broken$EXEEXT broken.$OBJEXT liba.la
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then (exit 1); else :; fi], [], [ignore], [ignore])
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fi
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done
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AT_CHECK([$can_hide || (exit 77)])
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AT_CLEANUP
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