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I am trying to run bnull-transform example of Apache traffic server. After a making few changes which are not present on github version of the code, I was finally able to resolve the errors. But when I compile it using gcc I am getting the below errors -

/usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../lib64/crt1.o: In function _start': (.text+0x20): undefined reference tomain' /tmp/cc5gVORu.o: In function my_data_alloc': bnull-transform.c:(.text+0x13): undefined reference to_TSmalloc' /tmp/cc5gVORu.o: In function my_data_destroy': bnull-transform.c:(.text+0x7b): undefined reference toTSIOBufferDestroy' bnull-transform.c:(.text+0x87): undefined reference to _TSfree' /tmp/cc5gVORu.o: In functionhandle_buffering': bnull-transform.c:(.text+0xa8): undefined reference to TSVConnWriteVIOGet' bnull-transform.c:(.text+0xbe): undefined reference toTSIOBufferCreate' bnull-transform.c:(.text+0xe7): undefined reference to _TSAssert' bnull-transform.c:(.text+0xf9): undefined reference toTSIOBufferReaderAlloc' bnull-transform.c:(.text+0x122): undefined reference to _TSAssert' bnull-transform.c:(.text+0x130): undefined reference toTSVIOBufferGet' bnull-transform.c:(.text+0x155): undefined reference to TSVIONTodoGet' bnull-transform.c:(.text+0x16e): undefined reference toTSVIOReaderGet' bnull-transform.c:(.text+0x176): undefined reference to TSIOBufferReaderAvail' bnull-transform.c:(.text+0x19f): undefined reference toTSVIOReaderGet' bnull-transform.c:(.text+0x1bd): undefined reference to TSIOBufferCopy' bnull-transform.c:(.text+0x1cf): undefined reference toTSVIOReaderGet' bnull-transform.c:(.text+0x1da): undefined reference to TSIOBufferReaderConsume' bnull-transform.c:(.text+0x1e6): undefined reference toTSVIONDoneGet' bnull-transform.c:(.text+0x1ff): undefined reference to TSVIONDoneSet' bnull-transform.c:(.text+0x20b): undefined reference toTSVIONTodoGet' bnull-transform.c:(.text+0x222): undefined reference to TSVIOContGet' bnull-transform.c:(.text+0x233): undefined reference toTSContCall' bnull-transform.c:(.text+0x24b): undefined reference to TSVIOContGet' bnull-transform.c:(.text+0x25c): undefined reference toTSContCall' /tmp/cc5gVORu.o: In function handle_output': bnull-transform.c:(.text+0x294): undefined reference toTSTransformOutputVConnGet' bnull-transform.c:(.text+0x2a8): undefined reference to TSIOBufferReaderAvail' bnull-transform.c:(.text+0x2c6): undefined reference toTSVConnWrite' bnull-transform.c:(.text+0x2ef): undefined reference to _TSAssert' /tmp/cc5gVORu.o: In functionhandle_transform': bnull-transform.c:(.text+0x315): undefined reference to TSContDataGet' bnull-transform.c:(.text+0x341): undefined reference toTSContDataSet' /tmp/cc5gVORu.o: In function bnull_transform': bnull-transform.c:(.text+0x3b0): undefined reference toTSVConnClosedGet' bnull-transform.c:(.text+0x3c0): undefined reference to TSContDataGet' bnull-transform.c:(.text+0x3d4): undefined reference toTSContDestroy' bnull-transform.c:(.text+0x3f1): undefined reference to TSVConnWriteVIOGet' bnull-transform.c:(.text+0x401): undefined reference toTSVIOContGet' bnull-transform.c:(.text+0x412): undefined reference to TSContCall' bnull-transform.c:(.text+0x420): undefined reference toTSTransformOutputVConnGet' bnull-transform.c:(.text+0x432): undefined reference to TSVConnShutdown' /tmp/cc5gVORu.o: In functiontransformable': bnull-transform.c:(.text+0x46a): undefined reference to TSHttpTxnServerRespGet' bnull-transform.c:(.text+0x47d): undefined reference toTSHttpHdrStatusGet' bnull-transform.c:(.text+0x49b): undefined reference to TS_NULL_MLOC' bnull-transform.c:(.text+0x4aa): undefined reference toTSHandleMLocRelease' bnull-transform.c:(.text+0x4be): undefined reference to TSError' /tmp/cc5gVORu.o: In functiontransform_add': bnull-transform.c:(.text+0x4e0): undefined reference to TSTransformCreate' bnull-transform.c:(.text+0x4f9): undefined reference toTSHttpTxnHookAdd' /tmp/cc5gVORu.o: In function transform_plugin': bnull-transform.c:(.text+0x54e): undefined reference toTSHttpTxnReenable' /tmp/cc5gVORu.o: In function TSPluginInit': bnull-transform.c:(.text+0x59c): undefined reference toTSPluginRegister' bnull-transform.c:(.text+0x5af): undefined reference to TSError' bnull-transform.c:(.text+0x5bf): undefined reference toTSError' bnull-transform.c:(.text+0x5d2): undefined reference to TSContCreate' bnull-transform.c:(.text+0x5df): undefined reference toTSHttpHookAdd' collect2: ld returned 1 exit status

Please help.

Divanshu Arneja
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1 Answers1

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You are trying to compile this plugin (which is a .so) as a standalone app. That won't work. You should use the tsxs script that comes with your ATS installation, e.g.

tsxs -o null-transform.so null-transform.cc
Leif Hedstrom
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  • I have no idea what you are doing, you must have found it before if you tried to compile it as above (which wouldn't work). It's built as part of the standard build if you do ./configure --enable-example-plugins – Leif Hedstrom Jul 23 '15 at 16:57