On Thu, 2012-01-26 at 12:08 +0100, Jan Kratochvil wrote: > On Thu, 26 Jan 2012 08:12:43 +0100, Sérgio Basto wrote: > > /usr/bin/kmk_sed: file > > /builddir/build/BUILD/VirtualBox-4.1.8_OSE/src/VBox/Runtime/common/err/errmsg.sed > > line 31: Unmatched [ or [^ > > kmk: *** > > [/builddir/build/BUILD/VirtualBox-4.1.8_OSE/obj/obj/Runtime/errmsgdata.h] > > Error 1 > > kmk: *** Deleting file > > `/builddir/build/BUILD/VirtualBox-4.1.8_OSE/obj/obj/Runtime/errmsgdata.h' > > kmk: *** Waiting for unfinished jobs.... > > > > build virtualbox with same kBuild but that was build with gcc 4.6 I > > don't have this problem using kBuild-0.1.98-1.r1.fc17 works, using > > kBuild-0.1.98-2.r1.fc17 I got this error, with kmk_sed. > > Any clue is appreciated > > kmk_sed is most probably using some undefined C behavior which only > fortunately worked with gcc-4.6.
and others gcc < 4.6 > You should try compiling kmk_sed first with > -O0 and then checking whether the specific function having this problem there > is really valid ISO C. don't understand whats help compile without optimization , which btw my tests said that also doesn't work kbuild with -O0. I checked the other email tip about kmk_sed, and conclusion kbuild bundle a sed based on 4.1.5 but very modified. > As an illustration gcore also broke with gcc-4.7 but it was a bug of gcore: > http://sourceware.org/ml/binutils/2011-12/msg00298.html "as the code violates ISO C99 6.2.4 item 5 by using local variable outside of its block, GCC optimizes out the second memcpy, keeping there only that memset." well kmk_sed code not have necessary to be ISO C99, which could be a tip try compile kbuild without change behavior of gcc < 4.7 or try to find what is not compatible , with some cflgs ... The solution was patch sed file to not use or remove "GNU/POSIX extensions to regular expressions" ... UPDATE : sed seems that stop work at all , nothing is replaced ! > Regards, > Jan -- Sérgio M. B. -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel
