Bug 67819 – libtiff compilation dies with -ffast-math

• Product: Gentoo Linux
• Status: RESOLVED WORKSFORME

[Description Patrick McLean 2004-10-16 15:26:01 UTC]

Compilation of media-libs/tiff-3.6.1-r2 dies with assembler errors when the -ffast-math flag is in CFLAGS, probably should add a "filter-flags -ffast-math" to the ebuild (doing that made it compile).

Reproducible: Always
Steps to Reproduce:





Portage 2.0.51_rc9 (default-linux/x86/2004.3, gcc-3.4.2,
glibc-2.3.4.20041006-r0, 2.6.9-rc4 i686)
=================================================================
System uname: 2.6.9-rc4 i686
Gentoo Base System version 1.5.3
Autoconf: sys-devel/autoconf-2.59-r5
Automake: sys-devel/automake-1.8.5-r1
Binutils: sys-devel/binutils-2.15.92.0.2-r1
Headers:  sys-kernel/linux26-headers-2.6.8.1-r1
Libtools: sys-devel/libtool-1.5.2-r5
ACCEPT_KEYWORDS="x86 ~x86"
AUTOCLEAN="yes"
CFLAGS="-march=k6-2 -fomit-frame-pointer -ffast-math -O3 -pipe"
CHOST="i686-pc-linux-gnu"
COMPILER=""
CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config
/usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown
/usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config
/usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/
/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/
/usr/share/texmf/xdvi/ /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-march=k6-2 -fomit-frame-pointer -ffast-math -O3 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoaddcvs ccache distlocks sandbox sfperms"
GENTOO_MIRRORS="ftp://cs.ubishops.ca/pub/gentoo/ http://gentoo.osuosl.org
http://www.ibiblio.org/pub/Linux/distributions/gentoo"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.ca.gentoo.org/gentoo-portage"
USE="3dnow X alsa apm arts avi berkdb bitmap-fonts crypt cups encode f77
foomaticdb gdbm gif gnome gpm gtk gtk2 imlib jpeg kde libg++ libwww mad matroska
mikmod mng motif mpeg ncurses nls no-old-linux noplugin nowxgtk1 nptl nptlonly
offensive oggvorbis opengl pam pdflib perl png python qt quicktime readline rtc
sdl shared slang spell ssl svg svga tcpd tga tiff truetype x86 xml2 xmms xprint
xv xvid zlib"

[Comment 1 Karol Wojtaszek (RETIRED) 2004-10-20 12:21:10 UTC]

It compiles fine for me with/without -ffast-math.

Portage 2.0.51_rc10 (default-linux/amd64/gcc34-2004.2, gcc-3.4.2, glibc-2.3.4.20041006-r0, 2.6.8-gentoo-r7 x86_64)
=================================================================
System uname: 2.6.8-gentoo-r7 x86_64 AMD Athlon(tm) 64 Processor 2800+
Gentoo Base System version 1.5.3
Autoconf: sys-devel/autoconf-2.59-r5
Automake: sys-devel/automake-1.8.5-r1
Binutils: sys-devel/binutils-2.15.92.0.2-r1
Headers:  sys-kernel/linux26-headers-2.6.8.1-r1
Libtools: sys-devel/libtool-1.5.2-r5
ACCEPT_KEYWORDS="amd64 ~amd64"
AUTOCLEAN="yes"
CFLAGS="-march=athlon64 -O2 -pipe -DNDEBUG -DG_DISABLE_ASSERT -s -ffast-math -fomit-frame-pointer"
CHOST="x86_64-pc-linux-gnu"
COMPILER=""
CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-march=x86-64 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoaddcvs autodigest ccache cvs distlocks fixpackages sandbox"
GENTOO_MIRRORS="ftp:///ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ ftp://ftp.rhnet.is/pub/gentoo/ ftp://ftp.heanet.ie/pub/gentoo/"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY=""
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="X acl acpi alsa amd64 apache2 apm avi berkdb bitmap-fonts bzlib cdr crypt cups dga encode esd f77 fam foomaticdb ftp gdbm gif gmp gnome gpm gtk gtk2 imagemagick imap imlib ipv6 jpeg libg++ libwww maildir mikmod mime mng motif mpeg multilib ncurses nls nptl oggvorbis openal opengl oss pam pdflib perl png posix python quicktime readline samba sasl sdl slang spell ssl tcpd tiff truetype wxwindows xml2 xmms xpm xprint xsl xv zlib video_cards_radeon linguas_pl"

[Comment 2 Karol Wojtaszek (RETIRED) 2004-10-26 14:41:29 UTC]

I haven't expirienced that kind of problem. Closing with WORKSFORME.