Matthias Klose a écrit : > On 06.06.2010 00:51, Aurelien Jarno wrote: >> On Sat, Jun 05, 2010 at 03:50:51AM +0200, Matthias Klose wrote: >>> Package: eGLIBC >>> Version: 2.11.1-2 >>> Severity: serious >>> >>> gcc-4.4 and gcc-4.5 fail to build after the upgrade to eGLIBC-2.11: >>> >>> https://buildd.debian.org/fetch.cgi?pkg=gcc-4.4;ver=4.4.4-4;arch=mips;stamp=1275677666 >>> >> This FTBFS is caused by the following change: >> >> |2009-11-20 Jakub Jelinek<ja...@redhat.com> >> | >> | PR libc/10103 >> | >> | * math/math.h: Provide *l long double prototypes redirecting >> | to double functions even when __NO_LONG_DOUBLE_MATH and not >> | __LDBL_COMPAT. >> | * math/complex.h: Likewise. >> >> These functions were present before in the library, but not exported >> in the headers. This has been changed as it is required by ISO C99. >> >> GCC tries to find these functions in the GLIBC by compiling a program, >> so it was failing before, and is successful now. When they are already >> present in the GLIBC it does not re-export them. >> >> Strangely this should also affect ARM, but it seems to build correctly. >> I haven't investigated why. >> >> While these functions are strictly not needed in libstdc++6 anymore, we >> have two options: >> - revert the GLIBC change, which means we break the C99 compatibility >> (as before) >> - patch GCC to export these functions anyway. >> >> What's your opinion? > > For ARM I did choose the second option, but didn't get any feedback about it. > So maybe it's time to ask the mips and arm porters? > > The patch applied for armel is: > http://svn.debian.org/viewsvn/gcccvs/branches/sid/gcc-4.4/debian/patches/libstdc%2B%2B-arm-ldbl-compat.diff?view=log >
I think we should go for the same patch on mips, it's probably better to be ISO C99 compliant on the glibc side. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net -- To UNSUBSCRIBE, email to debian-gcc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4c0ce134.50...@aurel32.net
