* gnu/packages/admin.scm (isc-dhcp)[arguments]: Set BUILD_CC in 'fix-bind-cross-compilation' phase. While at it, make the phase conditional on %CURRENT-TARGET-SYSTEM.
* gnu/packages/admin.scm (isc-dhcp)[arguments]: Set BUILD_CC in 'fix-bind-cross-compilation' phase. While at it, make the phase conditional on %CURRENT-TARGET-SYSTEM.