uname -a Linux ommegang 3.3.2-1-ARCH #1 SMP PREEMPT Sat Apr 14 09:48:37 CEST 2012 x86_64 Intel(R) Core(TM) i7-3960X CPU @ 3.30GHz GenuineIntel GNU/Linux without j7: erg@ommegang ~/julia $ [master] make TARGET=NEHALEM getarch_2nd.c: In function ‘main’: getarch_2nd.c:12:35: error: ‘SGEMM_DEFAULT_UNROLL_M’ undeclared (first use in this function) getarch_2nd.c:12:35: note: each undeclared identifier is reported only once for each function it appears in getarch_2nd.c:13:35: error: ‘SGEMM_DEFAULT_UNROLL_N’ undeclared (first use in this function) getarch_2nd.c:14:35: error: ‘DGEMM_DEFAULT_UNROLL_M’ undeclared (first use in this function) getarch_2nd.c:15:35: error: ‘DGEMM_DEFAULT_UNROLL_N’ undeclared (first use in this function) getarch_2nd.c:19:35: error: ‘CGEMM_DEFAULT_UNROLL_M’ undeclared (first use in this function) getarch_2nd.c:20:35: error: ‘CGEMM_DEFAULT_UNROLL_N’ undeclared (first use in this function) getarch_2nd.c:21:35: error: ‘ZGEMM_DEFAULT_UNROLL_M’ undeclared (first use in this function) getarch_2nd.c:22:35: error: ‘ZGEMM_DEFAULT_UNROLL_N’ undeclared (first use in this function) getarch_2nd.c:29:50: error: ‘SGEMM_DEFAULT_Q’ undeclared (first use in this function) getarch_2nd.c:30:50: error: ‘DGEMM_DEFAULT_Q’ undeclared (first use in this function) getarch_2nd.c:31:50: error: ‘CGEMM_DEFAULT_Q’ undeclared (first use in this function) getarch_2nd.c:32:50: error: ‘ZGEMM_DEFAULT_Q’ undeclared (first use in this function) make[3]: *** [getarch_2nd] Error 1 Makefile:129: *** OpenBLAS: Detecting CPU failed. Please set TARGET explicitly, e.g. make TARGET=your_cpu_target. Please read README for the detail.. Stop. make[2]: *** [openblas-v0.1.0/libopenblas.a] Error 2 make[1]: *** [julia-release] Error 2 make: *** [release] Error 2