44007 2004-03-07 22:42 0000 Floating Point Error when trying to compile a52dec (with emerging along with k3b) 2004-03-09 10:31:42 0000 1 1 1 Unclassified Gentoo Linux Ebuilds unspecified x86 Linux RESOLVED FIXED P2 normal --- 1 steverulz55@hotmail.com eradicator@gentoo.org sound@gentoo.org steverulz55@hotmail.com 2004-03-07 22:42:45 0000 Output during compile: .... gcc -DHAVE_CONFIG_H -I. -I. -I../include -I../include -I../include -march=pentium3 -fprefetch-loop-arrays -funroll-loops -pipe -fPIC -O3 -fomit-frame-pointer -mcpu=pentium -c imdct.c -o imdct.lo gcc -DHAVE_CONFIG_H -I. -I. -I../include -I../include -I../include -march=pentium3 -fprefetch-loop-arrays -funroll-loops -pipe -fPIC -O3 -fomit-frame-pointer -mcpu=pentium -c bitstream.c -o bitstream.lo imdct.c: In function `a52_imdct_512': imdct.c:286: internal compiler error: Floating point exception Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://bugs.gentoo.org/> for instructions. Preprocessed source stored into /var/tmp/portage/a52dec-0.7.4/temp/ccPkajbt.out file, please attach this to your bugreport make[1]: *** [imdct.lo] Error 1 make[1]: *** Waiting for unfinished jobs.... make[1]: Leaving directory `/var/tmp/portage/a52dec-0.7.4/work/a52dec-0.7.4/liba52' make: *** [all-recursive] Error 1 !!! ERROR: media-libs/a52dec-0.7.4 failed. !!! Function src_compile, Line 29, Exitcode 2 !!! emake failed Reproducible: Always Steps to Reproduce: 1. emerge k3b or emerge a52dec Actual Results: The same error is displayed Expected Results: Compiled successfully Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3_pre20040207-r0, 2.4.22-gentoo-r5) ================================================================= System uname: 2.4.22-gentoo-r5 i686 Pentium III (Coppermine) Gentoo Base System version 1.4.3.13p1 Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.2 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-O3 -march=pentium3 -fprefetch-loop-arrays -funroll-loops -pipe" CHOST="i586-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.1/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -march=pentium3 -fprefetch-loop-arrays -funroll-loops -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache sandbox" GENTOO_MIRRORS="http://mirror.pacific.net.au/linux/Gentoo/ ftp://203.16.234.20/pub/gentoo/ ftp://203.16.234.19/pub/gentoo/ ftp://ftp.vic.keypoint.com.au" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X aalib apm arts avi berkdb cdr crypt cups encode esd foomaticdb gdbm gif gnome gpm gtk gtk2 imlib java jpeg kde libg++ libwww mad mikmod motif mozilla mpeg ncurses nls oggvorbis opengl oss pam pdflib perl png python qt quicktime readline sdl slang spell ssl svga tcltk tcpd truetype x86 xml2 xmms xv zlib" seemant@gentoo.org 2004-03-07 23:02:27 0000 can you trim your CFLAGS a bit and try again, please specifically, take out the -funroll-loops and -fprefetch-loop-arrays you may also want to go back down to -O2 steverulz55@hotmail.com 2004-03-08 01:04:29 0000 thanks alot, a52dec compiled successfully after removing "-funroll-loops" and "-fprefetch-loop-arrays" in the CFLAGS, and after setting back to "-O2" (that was the first setting I tried after the reply, so I don't know which was the specific CFLAGS option that caused it) eradicator@gentoo.org 2004-03-08 04:03:32 0000 Please retry to tell us which specific flag caused the error so we can filter it out. steverulz55@hotmail.com 2004-03-08 22:25:19 0000 Sorry about that: i took out the CXXFLAGS option "-fprefetch-loop-arrays" while leaving the rest of the options above unchanged and a52dec-0.74 compiled sucessfully. eradicator@gentoo.org 2004-03-09 10:31:42 0000 ok, thanks... now filtering out that cfag...