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
|
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
|
+
+
-
+
-
+
-
+
+
+
+
|
LDFLAGS="$OLD_LDFLAGS"
])
AC_DEFUN(DC_GET_SHOBJFLAGS, [
AC_SUBST(SHOBJFLAGS)
AC_SUBST(SHOBJLDFLAGS)
AC_SUBST(DEFAULT_TARGET)
AC_MSG_CHECKING(how to create shared objects)
DEFAULT_TARGET=shared
if test -z "$SHOBJFLAGS" -a -z "$SHOBJLDFLAGS"; then
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic -mimpure-text], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -mimpure-text], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic -Wl,-G,-z,textoff], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -Wl,-G,-z,textoff], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -dynamiclib -flat_namespace -undefined suppress -bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib -flat_namespace -undefined suppress -bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-Wl,-dynamiclib -Wl,-flat_namespace -Wl,-undefined,suppress -Wl,-bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib -flat_namespace -undefined suppress], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib], [
AC_MSG_RESULT(cant)
DEFAULT_TARGET=static
AC_MSG_ERROR([We are unable to make shared objects.])
])
])
])
])
])
])
])
])
])
])
])
fi
if test "$DEFAULT_TARGET" = 'shared' ; then
AC_MSG_RESULT($SHOBJLDFLAGS $SHOBJFLAGS)
AC_MSG_RESULT($SHOBJLDFLAGS $SHOBJFLAGS)
else
AC_MSG_RESULT(cant -- result will be a static archive)
fi
DC_SYNC_SHLIBOBJS
])
AC_DEFUN(DC_SYNC_SHLIBOBJS, [
AC_SUBST(SHLIBOBJS)
SHLIBOBJS=""
|