Hi, The console comes out lots of warning message and performs slowly when I compile my code. Google does not help. Does anybody know what it refers to? I'm using Mac OS X 10.7.2. bogon% make test ghc --make -isrc -fhpc Test.hs [1 of 2] Compiling Miner ( src/Miner.hs, src/Miner.o ) [2 of 2] Compiling Main ( Test.hs, Test.o ) Linking Test ... ld: warning: could not create compact unwind for .LFB3: non-standard register 5 being saved in prolog ld: warning: text reloc in _r15W_info to _base_GHCziWord_zdfIntegralWord32_closure ld: warning: text reloc in _r15W_info to _Cryptozm4zi2zi4_DataziDigestziSHA2_zdfShowHash8_closure ld: warning: text reloc in _r15W_info to non_lazy_ptr ld: warning: text reloc in _r15W_info to non_lazy_ptr ld: warning: text reloc in _r15W_info to non_lazy_ptr ld: warning: text reloc in _r15Y_info to _base_GHCziWord_zdfEqWord32_closure ld: warning: text reloc in _r15Y_info to _Cryptozm4zi2zi4_DataziDigestziSHA2_zdfEqHash8_closure ld: warning: text reloc in _r15Y_info to non_lazy_ptr ld: warning: text reloc in _r15Y_info to non_lazy_ptr ld: warning: text reloc in _r15Y_info to non_lazy_ptr ld: warning: text reloc in _r160_info to _r15Y_closure ld: warning: text reloc in _r160_info to _base_GHCziWord_zdfOrdWord32_closure ld: warning: text reloc in _r160_info to _Cryptozm4zi2zi4_DataziDigestziSHA2_zdfOrdHash8_closure ld: warning: text reloc in _r160_info to non_lazy_ptr ld: warning: text reloc in _r160_info to non_lazy_ptr ld: warning: text reloc in _r160_info to non_lazy_ptr ld: warning: text reloc in _r162_info to _base_GHCziWord_zdfEqWord8_closure ld: warning: text reloc in _r162_info to _base_GHCziClasses_zdfEqZMZN_closure ld: warning: text reloc in _r162_info to non_lazy_ptr ld: warning: text reloc in _r162_info to non_lazy_ptr ld: warning: text reloc in _r162_info to non_lazy_ptr ld: warning: text reloc in _r164_info to _r162_closure ld: warning: text reloc in _r164_info to _base_GHCziWord_zdfOrdWord8_closure ld: warning: text reloc in _r164_info to _base_GHCziClasses_zdfOrdZMZN_closure ld: warning: text reloc in _r164_info to non_lazy_ptr ld: warning: text reloc in _r164_info to non_lazy_ptr ld: warning: text reloc in _r164_info to non_lazy_ptr …... Best regards, Zhi-Qiang Lei zhiqiang.lei@gmail.com