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< Erlang ~ ei Compilation issues |
| floda47 |
 Posted: Mon Feb 23, 2009 12:24 pm |
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Joined: 23 Feb 2009
Posts: 1
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Hi,
i am about to use the erlang interface to bridge arguments from erlang to C code (a customized version of bfile). Compilation works, however linking fails either with "ld" or at least at loading the module later in erlang (when compiled with ld -shared ...).
The detailed output is attached. ld finds the liberl_interface and libei.a but seems not to be able to resolve the references in ei, e.g. ei_decode_string.
Any comments are highly appreciated.
ld -o ../priv/FILE_drv.so -L/usr/local/lib/erlang/lib/erl_interface-3.5.9/lib -lei -lerl_interface FILE_drv.o
ld: warning: cannot find entry symbol _start; defaulting to 00000000004000f0
FILE_drv.o: In function `driver_ret32':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:166: undefined reference to `driver_alloc_binary'
FILE_drv.o: In function `driver_error':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:152: undefined reference to `erl_errno_id'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:152: undefined reference to `strlen'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:152: undefined reference to `driver_alloc_binary'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:156: undefined reference to `erl_errno_id'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:146: undefined reference to `__ctype_tolower_loc'
FILE_drv.o: In function `FILE_control':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:216: undefined reference to `ei_decode_version'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:279: undefined reference to `read'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:266: undefined reference to `write'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:281: undefined reference to `__errno_location'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:293: undefined reference to `stderr'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:293: undefined reference to `fprintf'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:296: undefined reference to `fprintf'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:303: undefined reference to `lseek64'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:310: undefined reference to `fprintf'
FILE_drv.o: In function `driver_ret64':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:177: undefined reference to `driver_alloc_binary'
FILE_drv.o: In function `FILE_control':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:231: undefined reference to `ei_decode_tuple_header'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:232: undefined reference to `ei_decode_long'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:233: undefined reference to `ei_decode_long'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:234: undefined reference to `ei_decode_string'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:239: undefined reference to `stderr'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:239: undefined reference to `fprintf'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:247: undefined reference to `stderr'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:247: undefined reference to `fprintf'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:248: undefined reference to `open64'
FILE_drv.o: In function `driver_ok':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:187: undefined reference to `driver_alloc_binary'
FILE_drv.o: In function `FILE_control':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:253: undefined reference to `open64'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:305: undefined reference to `__errno_location'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:305: undefined reference to `fprintf'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:306: undefined reference to `fprintf'
FILE_drv.o: In function `FILE_stop':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:140: undefined reference to `close'
FILE_drv.o: In function `FILE_start':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:122: undefined reference to `driver_alloc'
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:130: undefined reference to `set_port_control_flags'
FILE_drv.o: In function `FILE_stop':
/home/trxadm/projects/erlio/priv/bfile/c_src/FILE_drv.c:141: undefined reference to `driver_free'
trxadm@dqkal136:~/projects/erlio/priv/bfile/c_src> |
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| steve-e |
| Posted: Tue Feb 24, 2009 4:40 pm |
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Joined: 24 Feb 2009
Posts: 1
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Hey,
try those two and have fun:
Quote:
gcc -o FILE_drv.o -c -fpic -g -O2 -DHAVE_CONFIG_H -Wall -g -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/lib/erlang/usr/include -I/usr/lib/erlang/lib/erl_interface-3.5.9/include -I../config -I. -DDYNAMIC_DRIVER FILE_drv.c
Quote:
ld -shared -L/usr/lib/erlang/lib/erl_interface-3.5.9/lib -o ../priv/FILE_drv.so FILE_drv.o -lerl_interface -lei
Best Regards.[/quote] |
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| wuji |
| Posted: Sat Aug 18, 2012 6:12 am |
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Joined: 10 Aug 2012
Posts: 654
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| dongdongwu |
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