[ tilp-Bugs-1885785 ] error making libticalcs 1.1.0

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Bugs item #1885785, was opened at 2008-02-03 09:21
Message generated for change (Comment added) made by m1ss1ontomars
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: WelshSage (welshsage)
Assigned to: Nobody/Anonymous (nobody)
Summary: error making libticalcs 1.1.0

Initial Comment:
Mac OS X 10.4.11

/usr/bin/libtool: internal link edit command failed
make[2]: *** [libticalcs2.la] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2



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Comment By: m1ss1ontomars (m1ss1ontomars)
Date: 2008-04-05 10:20

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Ahh there we go. I didn't look quite so carefully, but that solves the
compiling problem. I don't have an Nspire, so I can't test it.

However, this shouldn't be a problem with tilp, as it doesn't depend on
libticalcs2...does it?

Also, is there a reason why the same code apparently builds successfully
on other platforms?

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Comment By: rdm0 (rdm0)
Date: 2008-04-04 23:48

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If one examines the files in libticalcs2-1.1.0/src, you will find these
two lines on lines 68 and 69 of nsp_vpkt.h:
uint16_t nsp_src_port;
uint16_t nsp_dst_port;

You will find these two lines on lines 110 and 111 of nsp_vpkt.c:
uint16_t nsp_src_port = 0x8001;
uint16_t nsp_dst_port = PORT_ADDR_REQUEST;

This is, indeed, a case of multiple definition of the variables, and
causes the linker to fail.

If you change the lines 68 and 69 in nsp_vpkt.h (.h, not .c !) to:
extern uint16_t nsp_src_port;
extern uint16_t nsp_dst_port;

then libticalcs2-1.1.0 will configure and make without the linker errors.

Whoever is in charge of libticalcs2 should correct this file, as multiple
people have reported this error with tilp2, tilp, and tiemu.


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Comment By: m1ss1ontomars (m1ss1ontomars)
Date: 2008-03-28 10:37

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Fails with same error but different message on Mac OS X 10.5.2 with both
gcc-4.0.1 and gcc-4.2.1. See Bug 1849837.

ld: duplicate symbol _nsp_src_port in .libs/libticalcs2_la-nsp_cmd.o and
.libs/libticalcs2_la-calc_nsp.o

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Comment By: rdm0 (rdm0)
Date: 2008-03-23 22:09

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I've gotten a similar error under Mac OS X 10.3.9.  The cause seems to be
given earlier in the error messages:
ld: multiple definitions of symbol _nsp_dst_port
.libs/libticalcs2_la-calc_nsp.o definition of _nsp_dst_port in section
(__DATA,__common)
.libs/libticalcs2_la-nsp_cmd.o definition of _nsp_dst_port in section
(__DATA,__common)
ld: multiple definitions of symbol _nsp_src_port
.libs/libticalcs2_la-calc_nsp.o definition of _nsp_src_port in section
(__DATA,__common)
.libs/libticalcs2_la-nsp_cmd.o definition of _nsp_src_port in section
(__DATA,__common)
.libs/libticalcs2_la-nsp_vpkt.o definition of _nsp_dst_port in section
(__DATA,__data)
.libs/libticalcs2_la-nsp_vpkt.o definition of _nsp_src_port in section
(__DATA,__data)



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