why does libtool reorder -Wl, arguments to the end making -Wl, --as-needed unusable

[Petteri Räty]

address@hidden /mnt/checkouts/classpath/native/jni/qt-peer $ make
make  all-am
make[1]: Entering directory `/mnt/checkouts/classpath/native/jni/qt-peer'
/bin/sh ../../../libtool --tag=CXX   --mode=link g++ -DQT_SHARED 
-I/usr/include/qt4 -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui 
-g -O2 -module -version-info 0:0:0 -no-undefined -avoid-version 
-Wl,--as-needed -o libqtpeer.la -rpath 
/usr/local/classpath/lib/classpath libqtpeer_la-componentevent.lo 
libqtpeer_la-keybindings.lo libqtpeer_la-mainqtthread.lo 
libqtpeer_la-mainthreadinterface.lo libqtpeer_la-nativewrapper.lo 
libqtpeer_la-qmatrix.lo libqtpeer_la-qpainterpath.lo 
libqtpeer_la-qpen.lo libqtpeer_la-qtaudioclip.lo 
libqtpeer_la-qtbuttonpeer.lo libqtpeer_la-qtcanvaspeer.lo 
libqtpeer_la-qtcheckboxpeer.lo libqtpeer_la-qtchoicepeer.lo 
libqtpeer_la-qtcomponent.lo libqtpeer_la-qtcomponentpeer.lo 
libqtpeer_la-qtdialogpeer.lo libqtpeer_la-qtembeddedwindowpeer.lo 
libqtpeer_la-qtfiledialogpeer.lo libqtpeer_la-qtfontmetrics.lo 
libqtpeer_la-qtfontpeer.lo libqtpeer_la-qtframepeer.lo 
libqtpeer_la-qtgraphics.lo libqtpeer_la-qtimage.lo 
libqtpeer_la-qtlabelpeer.lo libqtpeer_la-qtlistpeer.lo 
libqtpeer_la-qtmenubarpeer.lo libqtpeer_la-qtmenucomponentpeer.lo 
libqtpeer_la-qtmenuitempeer.lo libqtpeer_la-qtmenupeer.lo 
libqtpeer_la-qtpanelpeer.lo libqtpeer_la-qtpopupmenupeer.lo 
libqtpeer_la-qtscreendevice.lo libqtpeer_la-qtscrollbarpeer.lo 
libqtpeer_la-qtscrollpanepeer.lo libqtpeer_la-qtstrings.lo 
libqtpeer_la-qttextareapeer.lo libqtpeer_la-qttextfieldpeer.lo 
libqtpeer_la-qttoolkit.lo libqtpeer_la-qtvolatileimage.lo 
libqtpeer_la-qtwindowpeer.lo libqtpeer_la-slotcallbacks.lo 
-L/usr/lib/qt4 -lQtGui -lpng -lSM -lICE -lQtCore -lz -lrt -lpthread 
-lXrender -lXrandr -lXfixes -lXcursor -lXinerama -lfreetype -lfontconfig 
-lXext -lX11 -lm -ldl   -lpulse
libtool: link: rm -fr  .libs/libqtpeer.la .libs/libqtpeer.lai 
.libs/libqtpeer.so
libtool: link: g++ -shared -nostdlib 
/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../crti.o 
/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/crtbeginS.o 
.libs/libqtpeer_la-componentevent.o .libs/libqtpeer_la-keybindings.o 
.libs/libqtpeer_la-mainqtthread.o 
.libs/libqtpeer_la-mainthreadinterface.o 
.libs/libqtpeer_la-nativewrapper.o .libs/libqtpeer_la-qmatrix.o 
.libs/libqtpeer_la-qpainterpath.o .libs/libqtpeer_la-qpen.o 
.libs/libqtpeer_la-qtaudioclip.o .libs/libqtpeer_la-qtbuttonpeer.o 
.libs/libqtpeer_la-qtcanvaspeer.o .libs/libqtpeer_la-qtcheckboxpeer.o 
.libs/libqtpeer_la-qtchoicepeer.o .libs/libqtpeer_la-qtcomponent.o 
.libs/libqtpeer_la-qtcomponentpeer.o .libs/libqtpeer_la-qtdialogpeer.o 
.libs/libqtpeer_la-qtembeddedwindowpeer.o 
.libs/libqtpeer_la-qtfiledialogpeer.o .libs/libqtpeer_la-qtfontmetrics.o 
.libs/libqtpeer_la-qtfontpeer.o .libs/libqtpeer_la-qtframepeer.o 
.libs/libqtpeer_la-qtgraphics.o .libs/libqtpeer_la-qtimage.o 
.libs/libqtpeer_la-qtlabelpeer.o .libs/libqtpeer_la-qtlistpeer.o 
.libs/libqtpeer_la-qtmenubarpeer.o 
.libs/libqtpeer_la-qtmenucomponentpeer.o 
.libs/libqtpeer_la-qtmenuitempeer.o .libs/libqtpeer_la-qtmenupeer.o 
.libs/libqtpeer_la-qtpanelpeer.o .libs/libqtpeer_la-qtpopupmenupeer.o 
.libs/libqtpeer_la-qtscreendevice.o .libs/libqtpeer_la-qtscrollbarpeer.o 
.libs/libqtpeer_la-qtscrollpanepeer.o .libs/libqtpeer_la-qtstrings.o 
.libs/libqtpeer_la-qttextareapeer.o .libs/libqtpeer_la-qttextfieldpeer.o 
.libs/libqtpeer_la-qttoolkit.o .libs/libqtpeer_la-qtvolatileimage.o 
.libs/libqtpeer_la-qtwindowpeer.o .libs/libqtpeer_la-slotcallbacks.o 
-L/usr/lib/qt4 /usr/lib/qt4/libQtGui.so -L/usr/lib /usr/lib/libpng12.so 
/usr/lib/qt4/libQtCore.so -lpthread /usr/lib/libXrandr.so 
/usr/lib/libXcursor.so /usr/lib/libXrender.so /usr/lib/libXfixes.so 
/usr/lib/libxcb-xlib.so /usr/lib/libxcb.so /usr/lib/libXinerama.so 
/usr/lib/libfontconfig.so /usr/lib/libfreetype.so /usr/lib/libxml2.so 
-lz /usr/lib/libXext.so /usr/lib/libpulse.so /usr/lib/libSM.so 
/usr/lib/libICE.so /usr/lib/libX11.so /usr/lib/libXau.so 
/usr/lib/libXdmcp.so -lcap -lrt -ldl -latomic_ops 
-L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3 
-L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../i686-pc-linux-gnu/lib 
-L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../.. -lstdc++ -lm -lc -lgcc_s 
/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/crtendS.o 
/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../crtn.o  -Wl,--as-needed 
-Wl,-soname -Wl,libqtpeer.so -o .libs/libqtpeer.so
libtool: link: ( cd ".libs" && rm -f "libqtpeer.la" && ln -s 
"../libqtpeer.la" "libqtpeer.la" )
make[1]: Leaving directory `/mnt/checkouts/classpath/native/jni/qt-peer'

--as-needed needs to come before the object files and libs to be 
effective but libtool moves it to the end. This happens with both 1.5.26 
and cvs head.

Regards,
Petteri