# Error building Julia on Linux (libkernel.la missing)

**URL:** <https://discourse.julialang.org/t/error-building-julia-on-linux-libkernel-la-missing/9120>\
**Category:** General Usage\
**Tags:** build\
**Created:** [February 17, 2018, 12:31am UTC](https://discourse.julialang.org/t/error-building-julia-on-linux-libkernel-la-missing/9120 "2018-02-17T00:31:43Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![tk3369](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tk3369/32/2824_2.png) [@tk3369](https://discourse.julialang.org/u/tk3369)\
**Post date:** [February 17, 2018, 12:31am UTC](https://discourse.julialang.org/t/error-building-julia-on-linux-libkernel-la-missing/9120/1 "2018-02-17T00:31:43Z")

</div>

Trying to build Julia on Linux but got into this error. Any idea?

```julia
make[2]: Entering directory `/home/tkwong/julia/deps/scratch/fftw-3.3.6-pl1-single'
/bin/sh ./libtool --tag=CC --mode=link gcc -m64 -std=gnu99 -O3 -fomit-frame-pointer -mtune=native 
  -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math -no-undefined -version-info 8:6:5    
  -o libfftw3f.la -rpath /home/tkwong/julia/usr/lib kernel/libkernel.la dft/libdft.la 
  dft/scalar/libdft_scalar.la dft/scalar/codelets/libdft_scalar_codelets.la rdft/librdft.la 
  rdft/scalar/librdft_scalar.la rdft/scalar/r2cf/librdft_scalar_r2cf.la 
  rdft/scalar/r2cb/librdft_scalar_r2cb.la rdft/scalar/r2r/librdft_scalar_r2r.la 
  reodft/libreodft.la api/libapi.la simd-support/libsimd_support.la 
  simd-support/libsimd_sse2_nonportable.la dft/simd/sse2/libdft_sse2_codelets.la 
  rdft/simd/sse2/librdft_sse2_codelets.la dft/simd/avx/libdft_avx_codelets.la 
  rdft/simd/avx/librdft_avx_codelets.la -lm
libtool: error: cannot find the library 'kernel/libkernel.la' or unhandled argument 'kernel/libkernel.la'
make[2]: *** [libfftw3f.la] Error 1
make[2]: Leaving directory `/home/tkwong/julia/deps/scratch/fftw-3.3.6-pl1-single'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/tkwong/julia/deps/scratch/fftw-3.3.6-pl1-single'
make: *** [all] Error 2

```

When I go into the `kernel` directory, there’s only a Makefile but nothing is done:

```bash
$ cd kernel/
$ make
make: Nothing to be done for 'all'.
$ ls -l
total 28
-rw-rw-r-- 1 tkwong staff 20939 Feb 16 12:54 Makefile

```