Linking Problem?

[Nobody/Anonymous]

Hi.  I'm trying to compile a simple test program, and I'm getting the following error, presumably from the linker:

$ gcc -DLINUX auto_hood.c

/tmp/cc6D52sd.o(.text+0x8): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x12): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0x8d): In function `rBenchmark':

undefined reference to `daveReadBytes'

/tmp/cc6D52sd.o(.text+0xf4): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0xfd): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x113): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x11d): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0x178): In function `rBenchmark':

undefined reference to `daveReadBytes'

/tmp/cc6D52sd.o(.text+0x1df): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0x1e8): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x203): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x20d): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0x24d): In function `rBenchmark':

undefined reference to `davePrepareReadRequest'

/tmp/cc6D52sd.o(.text+0x278): In function `rBenchmark':

undefined reference to `daveAddVarToReadRequest'

/tmp/cc6D52sd.o(.text+0x2a3): In function `rBenchmark':

undefined reference to `daveAddVarToReadRequest'

/tmp/cc6D52sd.o(.text+0x2ce): In function `rBenchmark':

undefined reference to `daveAddVarToReadRequest'

/tmp/cc6D52sd.o(.text+0x2f7): In function `rBenchmark':

undefined reference to `daveAddVarToReadRequest'

/tmp/cc6D52sd.o(.text+0x320): In function `rBenchmark':

undefined reference to `daveAddVarToReadRequest'

/tmp/cc6D52sd.o(.text+0x33a): In function `rBenchmark':

undefined reference to `daveExecReadRequest'

/tmp/cc6D52sd.o(.text+0x34e): In function `rBenchmark':

undefined reference to `daveStrerror'

/tmp/cc6D52sd.o(.text+0x3cc): In function `rBenchmark':

undefined reference to `thirds'

/tmp/cc6D52sd.o(.text+0x3d5): In function `rBenchmark':

undefined reference to `seconds'

/tmp/cc6D52sd.o(.text+0x460): In function `wBenchmark':

undefined reference to `daveWriteBytes'

/tmp/cc6D52sd.o(.text+0x518): In function `wBenchmark':

undefined reference to `daveWriteBytes'

/tmp/cc6D52sd.o(.text+0x59d): In function `main':

undefined reference to `daveSetDebug'

/tmp/cc6D52sd.o(.text+0x5bf): In function `main':

undefined reference to `openSocket'

/tmp/cc6D52sd.o(.text+0x603): In function `main':

undefined reference to `daveNewInterface'

/tmp/cc6D52sd.o(.text+0x619): In function `main':

undefined reference to `daveSetTimeout'

/tmp/cc6D52sd.o(.text+0x63b): In function `main':

undefined reference to `daveNewConnection'

/tmp/cc6D52sd.o(.text+0x649): In function `main':

undefined reference to `daveConnectPLC'

/tmp/cc6D52sd.o(.text+0x68c): In function `main':

undefined reference to `daveReadBits'

/tmp/cc6D52sd.o(.text+0x69a): In function `main':

undefined reference to `daveStrerror'
collect2: ld returned 1 exit status

This seems like a simple problem, but I don't enough about what's going on here solve it on my own.  Please help.  Thanks, Jimmy.

[Nobody/Anonymous]

Nevermind,
I learned how to use make :-)

[Anonymous]