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I am trying to compile a CPUMiner program, but get errors which I don't know what to do about. I am compiling as said here:

http://www.return1.at/bitcoin-miner-ubuntu/

The error is:

checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for style of include used by make... GNU
checking for gcc... gcc
checking whether the C compiler works... no
configure: error: in `/home/tomino/_software/cpuminer':
configure: error: C compiler cannot create executables
See `config.log' for more details

And error in config.log:

gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) 
configure:3320: $? = 0
configure:3309: gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:3320: $? = 4
configure:3309: gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'
gcc: fatal error: no input files
compilation terminated.
configure:3320: $? = 4
configure:3340: checking whether the C compiler works
configure:3362: gcc -03   conftest.c  >&5
gcc: error: unrecognized command line option '-03'

Please help someone. Thank you

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I wouldn't download software from some random site. What's return1.at ? use github.com/pooler/cpuminer not that just because it's on github that means it's not a trojan, but... –  Thufir Dec 19 '13 at 12:16

1 Answer 1

Ok I have found the problem. It is rather stupid...

In tutorial they say to run:

./configure CFLAGS="-O3"

But the flag IS NOT 03 (zero three) but O3 (o three) Thats all...

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