check flags:    
[pbuilding check-recursive
Making check in lib
[pmake[1]: Entering directory `/private/tmp/nix-build-j3m6i5i6kg98lgfb7hyyi1pszanh40f7-tide-support.drv-0/tide-support-1.3.1/lib'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/private/tmp/nix-build-j3m6i5i6kg98lgfb7hyyi1pszanh40f7-tide-support.drv-0/tide-support-1.3.1/lib'
[q[pmake[1]: Entering directory `/private/tmp/nix-build-j3m6i5i6kg98lgfb7hyyi1pszanh40f7-tide-support.drv-0/tide-support-1.3.1'
make[1]: Nothing to be done for `check-am'.
make[1]: Leaving directory `/private/tmp/nix-build-j3m6i5i6kg98lgfb7hyyi1pszanh40f7-tide-support.drv-0/tide-support-1.3.1'
[q[q