Revert "s3: Don't use as-needed"

This reverts commit b9835a1f9d8b81e4121a01a190dffaefe67cbe5c.

diff --git a/source3/configure.in b/source3/configure.in
index 43119fb246c20ecde364c18b473ffe7c22717908..6157f373a20a8a57f9c226f326149da03f5dde43 100644 (file)
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -1799,6 +1799,39 @@ fi
 
 AC_MSG_RESULT($BLDSHARED)
 
+saved_before_as_needed_ldflags="$LDFLAGS"
+for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
+       saved_ldflags="$LDFLAGS"
+       AC_MSG_CHECKING([if $flags works])
+       LDFLAGS="$flags $saved_ldflags"
+       AC_TRY_LINK([],[],
+               [AC_MSG_RESULT([yes])
+               LD_AS_NEEDED_FLAG=$flags
+               ld_as_needed_flag_found=yes],
+               AC_MSG_RESULT([no]))
+       LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
+       test x"$ld_as_needed_flag_found" = xyes && break
+done
+
+# check if we have to disable LD_AS_NEEDED_FLAG:
+# On some systems for a veriety of reasons linking with
+# -Wl,--as-needed -lreadline -lncurses fails
+# we have to retest, if these combination is detected before.
+# Bugzilla #7209
+
+if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
+       if test x$ld_as_needed_flag_found = xyes ; then
+               AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
+               # try if check no fails
+               save_LIBS=$LIBS
+               LIBS="$LIBS $TERMLIBS"
+               AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
+               LIBS="$save_LIBS"
+        fi
+fi
+
+
+
 # for historical reasons almost all linkers don't complain about unresolved
 # symbols in shared libs. Except for the internal samba modules we want to get
 # errors when we produce a shared lib with unresolved symbols. On some