Hi Simon, when trying to build a binary distribution from the sources under solaris, compilation failed as shown below. As usual I've added a file mk/build.mk containing the lines: BIN_DIST=1 Project=Ghc Was it enough to just "./configure" or should I've done "autoreconf" (followed by gmake)? Cheers Christian ../../ghc/compiler/ghc-inplace -optc-O -optc-Wall -optc-W -optc-Wstrict-prototypes -optc-Wmissing-prototypes -optc-Wmissing-declarations -optc-Winline -optc-Waggregate-return -optc-Wbad-function-cast -optc-I../includes -optc-I. -optc-Iparallel -optc-DCOMPILING_RTS -optc-fomit-frame-pointer -H16m -O -O2 -static -I. -#include Prelude.h -#include Rts.h -#include RtsFlags.h -#include RtsUtils.h -#include StgRun.h -#include Schedule.h -#include Printer.h -#include Sanity.h -#include STM.h -#include Storage.h -#include SchedAPI.h -#include Timer.h -#include Itimer.h -#include ProfHeap.h -#include LdvProfile.h -#include Profiling.h -#include Apply.h -fvia-C -dcmm-lint -hisuf p_hi -hcsuf p_hc -osuf p_o -prof -c RtsUtils.c -o RtsUtils.p_o RtsUtils.c: In function 'time_str': RtsUtils.c:190: error: too few arguments to function 'ctime_r' gmake[3]: *** [RtsUtils.p_o] Error 1 gmake[2]: *** [all] Error 1 gmake[1]: *** [all] Error 1 gmake[1]: Leaving directory `/home/maeder/haskell/solaris/ghc-6.4.2.20060411/ghc' gmake: *** [build] Error 1