[ECOS] Linking problem

[Meulendijks, J.]

When I try to link my application I get the following output:

Commando:
powerpc-eabi-ld -g -nostartfiles -Lc:/ecos-work/ecos_install/lib -Map .\output/l
ink.map -T.\output\link.lk .\obj/untitled_single_gnu.o .\obj/rt_main.o .\obj/rt_
sim.o .\obj/rt_nonfinite.o .\obj/untitled_single_gnu_app_TNO.o C:\Macs\Driver/st
artup.o C:\Macs\Driver/fixfloat.o C:\Macs\Driver/toucan.o C:\Macs\Driver/qsmcm.o
 C:\Macs\Driver/mpc555.o C:\Macs\Driver/main.o C:\Macs\Driver/io_buffer.o C:\Mac
s\Driver/ccp_apl.o c:/cygwin/gnu/powerpc/lib/libads.a c:/cygwin/gnu/powerpc/lib/
libg.a c:/cygwin/gnu/powerpc/lib/libgcc.a c:/cygwin/gnu/powerpc/lib/libiberty.a
c:/cygwin/gnu/powerpc/lib/libm.a c:/cygwin/gnu/powerpc/lib/libmbx.a c:/cygwin/gn
u/powerpc/lib/libmvme.a c:/cygwin/gnu/powerpc/lib/libnosys.a c:/cygwin/gnu/power
pc/lib/libsim.a c:/cygwin/gnu/powerpc/lib/libtr555.a c:/cygwin/gnu/powerpc/lib/l
ibyk.a c:/cygwin/gnu/powerpc/lib/eCos/libsupc++.a  c:/cygwin/gnu/powerpc/obj/ecr
tn.o c:/cygwin/gnu/powerpc/obj/ecrti.o  C:\MATLAB6p5p1/rtw/c/lib/rtwlib.a -o .\o
utput/ram.elf

Output:
### Linking ram.elf ###
.\obj/untitled_single_gnu.o: In function `cyg_user_start':
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:27: undefined re
ference to `cyg_mutex_init'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:27: relocation t
runcated to fit: R_PPC_REL24 cyg_mutex_init
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:29: undefined re
ference to `cyg_thread_create'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:29: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_create
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:32: undefined re
ference to `cyg_thread_create'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:32: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_create
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:36: undefined re
ference to `cyg_thread_resume'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:36: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_resume
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:37: undefined re
ference to `cyg_thread_resume'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:37: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_resume
.\obj/untitled_single_gnu.o: In function `simple_program':
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:48: undefined re
ference to `cyg_thread_delay'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:48: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_delay
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:55: undefined re
ference to `cyg_mutex_lock'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:55: relocation t
runcated to fit: R_PPC_REL24 cyg_mutex_lock
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:59: undefined re
ference to `cyg_mutex_unlock'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:59: relocation t
runcated to fit: R_PPC_REL24 cyg_mutex_unlock
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:60: undefined re
ference to `cyg_thread_delay'
/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw/twothreads.c:60: relocation t
runcated to fit: R_PPC_REL24 cyg_thread_delay
make: *** [.\output/ram.elf] Error 1
make: Leaving directory `/ecos-c/eCos-Work/Test/untitled_single_gnu_TNO_rtw'
Finished

Does anybody know what is wrong? I my opinion the linker is missing something
but I cannot see what.

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