Compiling TCL C extensions using Cygwin gcc

[Jingzhao Ou <jasonou at yahoo dot com>]

Dear all,

I tried to compile a simple Tcl C extension using Cygwin gcc. I use the
following commands:

gcc -shared -ltcl -L/lib random.o

I got the following error messege:

random.o(.text+0x31):random.c: undefined reference to `_Tcl_WrongNumArgs'
random.o(.text+0x5e):random.c: undefined reference to `_Tcl_GetIntFromObj'
random.o(.text+0x98):random.c: undefined reference to `_Tcl_GetObjResult'
random.o(.text+0xad):random.c: undefined reference to `_Tcl_SetIntObj'
random.o(.text+0xe2):random.c: undefined reference to `_Tcl_PkgRequire'
random.o(.text+0x11a):random.c: undefined reference to `_Tcl_CreateObjCommand'
random.o(.text+0x135):random.c: undefined reference to `_Tcl_PkgProvide'
collect2: ld returned 1 exit status

I can see that tcl.h is located at /usr/include. Also, libtcl84.a and
libtclstub84.a are located at /lib.

Can any one kindly help me out?

Thanks a lot!

Best regards,
Jingzhao

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