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Old 29 December 2015, 15:29   #1
ciVic
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Crosscompiling with bsdsocket.library

Hi all,

I'm trying to compile curl 7.46 as I need some new features. I'm using the m68k-amigaos cross compiler on Mac OS. The libcurl.a is compiled but linking the curl executable itself fails:

Code:
CCLD     curl
curl-tool_getpass.o(.text+0x18): undefined reference to `tcgetattr'
curl-tool_getpass.o(.text+0xa0): undefined reference to `tcsetattr'
curl-tool_getpass.o(.text+0xba): undefined reference to `tcsetattr'
curl-tool_paramhlp.o(.text+0x22e): undefined reference to `strtod'
curl-tool_sleep.o(.text+0x30): undefined reference to `WaitSelect'
../lib/.libs/libcurl.a(libcurl_la-amigaos.o)(.text+0xae): undefined reference to `SocketBaseTags'
../lib/.libs/libcurl.a(libcurl_la-select.o)(.text+0x3a): undefined reference to `WaitSelect'
../lib/.libs/libcurl.a(libcurl_la-select.o)(.text+0x202): undefined reference to `WaitSelect'
../lib/.libs/libcurl.a(libcurl_la-select.o)(.text+0x490): undefined reference to `WaitSelect'
It seems that it is missing the bsdsocket.library functions. They cannot be found in any static library but how do I tell the compiler that it is found in the .library?
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Old 30 December 2015, 11:40   #2
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Hi

tcgetattr and tcsetattr are (POSIX) termios functions. I have looked for an open source Amiga implementation of termios but never found one. You would need to implement those for AmigaDOS yourself.

strtod are an standard C90/C99 function. There are several open source implementations available.

WaitSelect is not in the original bsdsocket.library, but you can find it in AmiTCP or Roadshow. The same goes for SocketBaseTags. You need to link to one of those GCC Amiga specific libraries. Or use inline includes (look for something like "..netinclude/inline/socket.h").

strtod, WaitSelect and SocketBaseTags are easy to solve. tcgetattr and tcsetattr are a bit harder.

Add extra link libraries to GCC with option -L

Please tell if you get it to work

Last edited by cla; 30 December 2015 at 11:51.
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Old 30 December 2015, 17:49   #3
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Thx, you're right, termios would be hard to reimplement and as I only need the lib I think porting or reimplementing it would be waste of time. Must be something new as older versions of curl were successfully ported.
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Old 31 December 2015, 03:06   #4
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By coincidence I stumble across an implementation today. Its on github:
https://github.com/arczi84/NetSurf-6...migaos3/libnix

Maybe it can be of use.
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Old 01 January 2016, 09:43   #5
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That looks promising. But, libnix, shouldn't it be within the libnix of my m68-amigaos-gcc?
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Old 01 January 2016, 10:55   #6
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It is an updated version of the library.
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Old 05 January 2016, 11:56   #7
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I took it from clib2 but it works.
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