This reverts commit 6cfea50ad1.
I think the reason for the revert was because of patch dependencies. We really
need this patch to fix heimdal build.
Or else:
$ nix-build -A heimdal
...
/tmp/nix-build-heimdal-1.5.3.drv-0/heimdal-1.5.3/base/.libs/libheimbase.so: undefined reference to `pthread_getspecific'
/tmp/nix-build-heimdal-1.5.3.drv-0/heimdal-1.5.3/base/.libs/libheimbase.so: undefined reference to `pthread_key_create'
/tmp/nix-build-heimdal-1.5.3.drv-0/heimdal-1.5.3/base/.libs/libheimbase.so: undefined reference to `pthread_setspecific'
collect2: error: ld returned 1 exit status
Makefile:509: recipe for target 'tc' failed
make[2]: *** [tc] Error 1
52184b53c0