linking problem with boost

[ronnie_raj]

Hello,
 This is the first time I'm posting so sorry if I have posted this in the
wrong forum...

I'm been developing an application on SUSE 9.3, gcc 3.3.5 and within my
makefile I have the following for the CPPFLAGS "-g -O0" and the code
complied and linked fine.

I reached the end of the development and decided to up the optimisation so I
changed the line to "-O2" and removed the "-g". When I got the linking stage
I got the following error:

/usr/lib/gcc-lib/i586-suse-linux/3.3.5/../../../../i586-suse-linux/bin/ld:
`.gnu.linkonce.t._ZN5boost2io6detail22parse_printf_directiveIcSt11char_traitsIcESaIcEN9__gnu_cxx17__normal_iteratorIPKcSsEESt5ctypeIcEEEbRT2_RKSD_PNS1_11format_itemIT_T0_T1_EERKT3_jh'
referenced in section `.rodata' of sg_gui_export_dialog.o: defined in
discarded section
`.gnu.linkonce.t._ZN5boost2io6detail22parse_printf_directiveIcSt11char_traitsIcESaIcEN9__gnu_cxx17__normal_iteratorIPKcSsEESt5ctypeIcEEEbRT2_RKSD_PNS1_11format_itemIT_T0_T1_EERKT3_jh'
of sg_gui_export_dialog.o

For what I can figure out its complaining about boost. I got the above error
for 4 files and within all 4 files I use the "<boost/format.hpp>" library. I
have used other boost libraries in other files but the linker didn't
complain about them it was only the files where I used "format.hpp". I had a
play around and if the CPPFLAGS line within the makefile and if it reads "-g
-O2" then it links fine but if I don't have the "-g" it comes up with error
above.

Does anyone have any clue as to what I'm doing wrong?

Thanks,

Kiran
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