x86_64-pc-linux-gnu-gcc -march=athlon64 -O2 -ftracer -fweb -frename-registers -pipe -Wall -Wcast-align -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith -Wreturn-type -D_GNU_SOURCE -Wl,-O2 -o gpxlogger gpxlogger.o /usr/lib64/libdbus-glib-1.so /usr/lib64/libgobject-2.0.so /usr/lib64/libdbus-1.so -lnsl /usr/lib64/libglib-2.0.so gpxlogger.o: In function `signal_handler': gpxlogger.c:(.text+0x105): undefined reference to `floor' collect2: ld returned 1 exit status make[1]: *** [gpxlogger] Error 1 make[1]: Leaving directory `/var/tmp/portage/gpsd-2.29/work/gpsd-2.29' make: *** [all] Error 2 !!! ERROR: sci-geosciences/gpsd-2.29 failed. !!! Function src_compile, Line 37, Exitcode 2 !!! emake failed !!! If you need support, post the topmost build error, NOT this status message. Reproducible: Always Steps to Reproduce: emerge =sci-geosciences/gpsd-2.29 LDFLAGS="-lm" emerge gpsd fixes this problem Portage 2.0.52-r1 (default-linux/amd64/2005.1, gcc-3.4.4, glibc-2.3.5-r1, 2.6.13-gentoo x86_64) ================================================================= System uname: 2.6.13-gentoo x86_64 AMD Athlon(tm) 64 Processor 3200+ Gentoo Base System version 1.12.0_pre8 distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] dev-lang/python: 2.4.1-r1 sys-apps/sandbox: 1.2.13 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.20 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=athlon64 -O2 -ftracer -fweb -frename-registers -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/splash /etc/terminfo /etc/texmf/web2c /etc/env.d" CXXFLAGS="-march=athlon64 -O2 -ftracer -fweb -frename-registers -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://gentoo.llarian.net/pub/gentoo http://mirror.datapipe.net/gentoo http://gentoo.mirrors.tds.net/gentoo http://modzer0.cs.uaf.edu/public/gentoo/ http://gentoo.arcticnetwork.ca/" LDFLAGS="-Wl,-O2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/overlay" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 3ds 4kstacks X X509 a52 aac acl acpi alsa audiofile avi bash-completion bcmath berkdb bitmap-fonts bonobo bzip2 cairo calendar caps cdda cddb cdio cdparanoia cdr crypt cups curl curlwrappers dbus dts dv dvd dvdr dvdread eds emboss encode erandom ethereal evo exif fbcon ffmpeg firefox flac flash foomaticdb fortran freetype ftp fuse gb gd gd-external gdbm gif gimpprint gmp gnome gnomedb gnutls gphoto2 gpm gps gstreamer gtk gtk2 gtkhtml guile hal howl ieee1394 imagemagick imap imlib innodb ipv6 jabber jack java joystick jpeg lcms ldap libgda libwww lirc lm_sensors lzo lzw lzw-tiff mad mcal mikmod mime mmap mng mozilla mozsha1 mp3 mpeg mpeg2 mysql mysqli nautilus ncurses network nptl nptlonly nvidia odbc offensive ogg oggvorbis opengl pam pcmcia pcre pda pdflib perl pic png posix ppds print python quicktime readline recode rtc samba sasl scanner sdl shared sharedmem slang snmp soap sockets speex spell sqlite ssl svg sysvipc szip tcpd tetex theora threads tidy tiff truetype truetype-fonts type1-fonts unicode usb utf8 v4l2 vcd vorbis wmf xinerama xml xml2 xmlrpc xmms xosd xpm xscreensaver xsl xv xvid xvmc zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LINGUAS, MAKEOPTS
Extra LDFLAGS added (why it needs them, I have no idea...)
