Want to compile my system with the compiler flag -fsched-insns. Causes a compiler error with zlib. Reproducible: Always Steps to Reproduce: 1. Add -fsched-insns to compiler flags 2. emerge -e system --newuse 3. Check the output Actual Results: Compiling error Expected Results: No compiling error
emerge --info: Gentoo Base System version 1.12.6 Portage 2.1.1-r2 (default-linux/amd64/2006.1/desktop, gcc-4.1.1, glibc-2.4-r4, 2.6.18-gentoo-r6 x86_64) ================================================================= System uname: 2.6.18-gentoo-r6 x86_64 AMD Athlon(tm) 64 Processor 3200+ Last Sync: Tue, 09 Jan 2007 06:20:01 +0000 app-admin/eselect-compiler: [Not Present] dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.4.3-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.14 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=k8 -O2 -combine -fschedule-insns -pipe -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-march=k8 -O2 -fschedule-insns -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks fix-packages metadata-transfer parallel-fetch sandbox sfperms strict userfetch userpriv usersandbox" GENTOO_MIRRORS="rsync://linux.rz.ruhr-uni-bochum.de/gentoo/ rsync://ftp.join.uni-muenster.de/gentoo/ rsync://mirrors.sec.informatik.tu-darmstadt.de/gentoo/ rsync://ftp-stud.fht-esslingen.de/gentoo/ rsync://gentoo.intergenia.de/gentoo-linux/ rsync://ftp.belnet.be/gentoo/ rsync://ftp.snt.utwente.nl/gentoo/ rsync://gd.tuwien.ac.at/opsys/linux/gentoo/ rsync://ftp.fi.muni.cz/pub/linux/gentoo/ rsync://gentoo.prz.rzeszow.pl/gentoo/ rsync://ftp.lug.ro/gentoo/ rsync://trumpetti.atm.tut.fi/gentoo/ rsync://ftp.rhnet.is/gentoo/ rsync://mirror.hamakor.org.il/gentoo/" LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--enable-new-dtags -Wl,-s -Wl,--sort-common -Wl,-z -Wl,now" LINGUAS="en" MAKEOPTS="-j1 -s" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://linux.rz.ruhr-uni-bochum.de/gentoo-portage" USE="amd64 X a52 aac aiglx alsa alsa_cards_intel8x0 bash-completion berkdb bitmap-fonts bzip2 cairo cdparanoia cdr cli cups dbus dlloader dri dts dvd dvdr elibc_glibc encode esd firefox ftp gif glibc-omitfp gnome gstreamer gtk gtk2 hal iconv input_devices_keyboard input_devices_mouse ipv6 java javascript jpeg kernel_linux ldap libg++ linguas_en mad mikmod mp3 mpeg mpeg2 ncurses nls nptl nptlonly ogg opengl pam pcre perl png ppds pppd python quicktime readline reflection sdl session spl ssl tcpd truetype truetype-fonts type1-fonts udev unicode userland_GNU video_cards_nv vorbis wxGTK xml xorg xv zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY error output: ... done! >>> starting parallel fetching >>> Emerging (1 of 124) sys-libs/zlib-1.2.3-r1 to / * zlib-1.2.3.tar.bz2 MD5 ;-) ... [ ok ] * zlib-1.2.3.tar.bz2 RMD160 ;-) ... [ ok ] * zlib-1.2.3.tar.bz2 SHA1 ;-) ... [ ok ] * zlib-1.2.3.tar.bz2 SHA256 ;-) ... [ ok ] * zlib-1.2.3.tar.bz2 size ;-) ... [ ok ] * checking ebuild checksums ;-) ... [ ok ] * checking auxfile checksums ;-) ... [ ok ] * checking miscfile checksums ;-) ... [ ok ] * checking zlib-1.2.3.tar.bz2 ;-) ... [ ok ] >>> --newuse implies --update... adding --update to options. Calculating system dependencies .... done! >>> starting parallel fetching >>> Unpacking source... >>> Unpacking zlib-1.2.3.tar.bz2 to /var/tmp/portage/zlib-1.2.3-r1/work [32;01m*[0m Applying zlib-1.2.3-visibility-support.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.1-glibc.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.1-build-fPIC.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.1-configure.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.1-fPIC.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.3-r1-bsd-soname.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m [32;01m*[0m Applying zlib-1.2.3-LDFLAGS.patch ... [A[74C [34;01m[ [32;01mok[34;01m ][0m >>> Source unpacked. >>> Compiling source in /var/tmp/portage/zlib-1.2.3-r1/work/zlib-1.2.3 ... Checking for shared library support... Building shared library libz.so.1.2.3 with x86_64-pc-linux-gnu-gcc. Checking for unistd.h... Yes. Checking for attribute(visibility) support... Yes. Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf() Checking for vsnprintf() in stdio.h... Yes. Checking for return value of vsnprintf()... Yes. Checking for errno.h... Yes. Checking for mmap support... Yes. deflate.c: In function ‘deflateInit2_’: deflate.c:312: error: unable to find a register to spill in class ‘DREG’ deflate.c:312: error: this is the insn: (insn:HI 189 344 165 16 (parallel [ (set (reg:SI 0 ax [118]) (truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (reg:SI 0 ax [119])) (zero_extend:DI (reg:SI 38 r9 [117]))) (const_int 32 [0x20])))) (clobber (scratch:SI)) (clobber (reg:CC 17 flags)) ]) 267 {*umulsi3_highpart_insn} (insn_list:REG_DEP_TRUE 188 (insn_list:REG_DEP_TRUE 187 (nil))) (expr_list:REG_DEAD (reg:SI 38 r9 [117]) (expr_list:REG_DEAD (reg:SI 0 ax [119]) (expr_list:REG_UNUSED (reg:CC 17 flags) (expr_list:REG_UNUSED (scratch:SI) (expr_list:REG_EQUAL (truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (reg:SI 38 r9 [117])) (const_int 2863311531 [0xaaaaaaab])) (const_int 32 [0x20]))) (nil))))))) deflate.c:312: confused by earlier errors, bailing out make: *** [deflate.o] Error 1 !!! ERROR: sys-libs/zlib-1.2.3-r1 failed. Call stack: ebuild.sh, line 1546: Called dyn_compile ebuild.sh, line 937: Called src_compile zlib-1.2.3-r1.ebuild, line 39: Called die !!! (no error message) !!! If you need support, post the topmost build error, and the call stack if relevant.
Here's an idea - remove it from your C[XX]FLAGS...