make -j4 CC=x86_64-pc-linux-gnu-gcc CXX=x86_64-pc-linux-gnu-g++ 'CFLAGS=-march=native -O2 -fno-stack-protector -pipe -fomit-frame-pointer -fPIC' 'CXXFLAGS=-march=native -O2 -fno-stack-protector -pipe -fPIC' 'AR=x86_64-pc-linux-gnu-ar rcv' RANLIB=x86_64-pc-linux-gnu-ranlib LIBS=-L/usr/lib64/blas/reference -lblas lib all x86_64-pc-linux-gnu-g++ -march=native -O2 -fno-stack-protector -pipe -fomit-frame-pointer -fPIC -c -o linear.o linear.cpp x86_64-pc-linux-gnu-g++ -march=native -O2 -fno-stack-protector -pipe -fomit-frame-pointer -fPIC -c -o tron.o tron.cpp if [ "Linux" = "Darwin" ]; then \ SHARED_LIB_FLAG="-dynamiclib -Wl,-install_name,liblinear.so.3"; \ else \ SHARED_LIB_FLAG="-shared -Wl,-soname,liblinear.so.3"; \ fi; \ x86_64-pc-linux-gnu-g++ ${SHARED_LIB_FLAG} -Wl,-O1 -Wl,--as-needed linear.o tron.o -o liblinear.so.3 x86_64-pc-linux-gnu-g++ -march=native -O2 -fno-stack-protector -pipe -fomit-frame-pointer -fPIC -Wl,-O1 -Wl,--as-needed -o predict predict.c tron.o linear.o -L/usr/lib64/blas/reference tron.o: In function `TRON::trcg(double, double*, double*, double*)': tron.cpp:(.text+0x226): undefined reference to `dnrm2_' tron.cpp:(.text+0x245): undefined reference to `ddot_' tron.cpp:(.text+0x2ad): undefined reference to `ddot_' tron.cpp:(.text+0x2d7): undefined reference to `daxpy_' tron.cpp:(.text+0x2e7): undefined reference to `dnrm2_' tron.cpp:(.text+0x320): undefined reference to `daxpy_' tron.cpp:(.text+0x334): undefined reference to `ddot_' tron.cpp:(.text+0x357): undefined reference to `dscal_' tron.cpp:(.text+0x370): undefined reference to `daxpy_' tron.cpp:(.text+0x37e): undefined reference to `dnrm2_' tron.cpp:(.text+0x40b): undefined reference to `daxpy_' tron.cpp:(.text+0x41f): undefined reference to `ddot_' tron.cpp:(.text+0x439): undefined reference to `ddot_' tron.cpp:(.text+0x452): undefined reference to `ddot_' tron.cpp:(.text+0x4c6): undefined reference to `daxpy_' tron.cpp:(.text+0x4f2): undefined reference to `daxpy_' tron.o: In function `TRON::tron(double*)': tron.cpp:(.text+0x66d): undefined reference to `dnrm2_' tron.cpp:(.text+0x6b6): undefined reference to `dnrm2_' tron.cpp:(.text+0x777): undefined reference to `daxpy_' tron.cpp:(.text+0x78d): undefined reference to `ddot_' tron.cpp:(.text+0x7a9): undefined reference to `ddot_' tron.cpp:(.text+0x7f1): undefined reference to `dnrm2_' tron.cpp:(.text+0xa46): undefined reference to `dnrm2_' collect2: error: ld returned 1 exit status Makefile:22: recipe for target 'predict' failed Reproducible: Always Steps to Reproduce: Try to compile. Actual Results: Doesn't compile. Expected Results: Compiles.
Portage 2.2.22 (python 3.3.5-final-0, default/linux/amd64/13.0/no-multilib, gcc-4.9.3, glibc-2.21-r1, 4.2.1-gentoo x86_64) ================================================================= System uname: Linux-4.2.1-gentoo-x86_64-Intel-R-_Core-TM-_i5-4670_CPU_@_3.40GHz-with-gentoo-2.2 KiB Mem: 16358544 total, 12286828 free KiB Swap: 0 total, 0 free Timestamp of repository gentoo: Tue, 29 Sep 2015 16:00:01 +0000 sh bash 4.3_p42 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 app-shells/bash: 4.3_p42::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.22.0::gentoo dev-lang/python: 2.7.10::gentoo, 3.3.5-r2::gentoo, 3.4.3::gentoo dev-util/cmake: 3.3.2::gentoo dev-util/pkgconfig: 0.29::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.17::gentoo sys-apps/sandbox: 2.9::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r1::gentoo sys-devel/automake: 1.11.6-r1::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/gcc: 4.9.3::gentoo sys-devel/gcc-config: 1.8::gentoo sys-devel/libtool: 2.4.6-r1::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 4.2::gentoo (virtual/os-headers) sys-libs/glibc: 2.21-r1::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 xenon location: /usr/local/portage masters: gentoo priority: 0 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=native -O2 -fno-stack-protector -pipe -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-march=native -O2 -fno-stack-protector -pipe" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="--autounmask=n" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="ftp://gentoo.po.opole.pl http://gentoo.mirror.pw.edu.pl/ ftp://de-mirror.org/gentoo/" LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j4" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/tmp" USE="X a52 aac alsa amd64 berkdb bzip2 cdda cddb cdparanoia cli cracklib crypt cscope curl cxx dri dvd enca ffmpeg flac fortran gdbm gif gnutls gpm iconv imagemagick jpeg jpeg2k kde mad mmx mmxext modules mp3 mpeg musepack ncurses nptl ogg opengl openmp pam pcre png qt readline seccomp session sse sse2 ssh ssl svg tcpd theora tiff truetype unicode vorbis win32codecs x264 xvid zlib" ABI_X86="64" ALSA_CARDS="virtuoso hda-intel" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3 ssse3 sse4_1 sse4_2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="pc" INPUT_DEVICES="evdev keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3 python3_4" RUBY_TARGETS="ruby20 ruby21 ruby22" USERLAND="GNU" VIDEO_CARDS="intel vesa nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
Removing the lines from ebuild: -e 's:blas/blas.a::g' LIBS=$($(tc-getPKG_CONFIG) --libs blas) Solves the problem.
Removed -r1.
