ng-1.6.9/src/'`utils.c x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src -I. -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -c `test -f 'syslog-names.c' || echo '/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src/'`syslog-names.c x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src -I. -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -c `test -f 'macros.c' || echo '/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src/'`macros.c x86_64-pc-linux-gnu-gcc -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -o syslog-ng main.o sources.o center.o filters.o destinations.o log.o cfgfile.o cfg-grammar.o cfg-lex.o affile.o afsocket.o afunix.o afinet.o afinter.o afuser.o afstreams.o afprogram.o afremctrl.o nscache.o utils.o syslog-names.o macros.o -lnsl -lresolv /usr/lib64/libol.a -lnsl -Wl,-Bstatic -Wl,-Bdynamic cfg-lex.o: In function `yylex': cfg-lex.c:(.text+0x14f3): undefined reference to `yywrap' collect2: ld gab 1 als Ende-Status zur
ng-1.6.9/src/'`utils.c x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src -I. -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -c `test -f 'syslog-names.c' || echo '/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src/'`syslog-names.c x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src -I. -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -c `test -f 'macros.c' || echo '/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src/'`macros.c x86_64-pc-linux-gnu-gcc -O2 -march=athlon64 -fstack-protector -pipe -Wall -I/usr/include/libol -D_GNU_SOURCE -o syslog-ng main.o sources.o center.o filters.o destinations.o log.o cfgfile.o cfg-grammar.o cfg-lex.o affile.o afsocket.o afunix.o afinet.o afinter.o afuser.o afstreams.o afprogram.o afremctrl.o nscache.o utils.o syslog-names.o macros.o -lnsl -lresolv /usr/lib64/libol.a -lnsl -Wl,-Bstatic -Wl,-Bdynamic cfg-lex.o: In function `yylex': cfg-lex.c:(.text+0x14f3): undefined reference to `yywrap' collect2: ld gab 1 als Ende-Status zurück make[3]: *** [syslog-ng] Fehler 1 make[3]: Leaving directory `/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src' make[2]: *** [all-recursive] Fehler 1 make[2]: Leaving directory `/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src' make[1]: *** [all] Fehler 2 make[1]: Leaving directory `/var/tmp/portage/syslog-ng-1.6.9/work/syslog-ng-1.6.9/src' make: *** [all-recursive] Fehler 1 Portage 2.1-r2 (hardened/amd64, gcc-3.4.6, glibc-2.3.6-r4, 2.6.17.6-grsec x86_64) ================================================================= System uname: 2.6.17.6-grsec x86_64 AMD Athlon(tm) 64 Processor 3500+ Gentoo Base System version 1.12.4 ccache version 2.3 [enabled] app-admin/eselect-compiler: [Not Present] dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.3 dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 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-r2 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.13-r3 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="-O2 -march=athlon64 -fstack-protector -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /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/" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -march=athlon64 -fstack-protector -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache collision-protect distlocks metadata-transfer multilib-strict parallel-fetch sandbox sfperms strict userpriv usersandbox" GENTOO_MIRRORS="http://mirror.switch.ch/mirror/gentoo/" LANG="de_DE.UTF-8" LC_ALL="de_DE.UTF-8" LINGUAS="de en" 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" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="amd64 acl apache2 bash-completion bzip2 crypt exif gif hardened idn imagemagick imap ipv6 jpeg leim mailwrapper mysql ncurses nls nptl nptlonly pam pcre perl png python qdbm readline ruby spell sqlite ssl tiff truetype unicode userlocales vhosts xml zlib elibc_glibc input_devices_mouse input_devices_keyboard kernel_linux linguas_de linguas_en userland_GNU" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, MAKEOPTS, PORTAGE_RSYNC_EXTRA_OPTS
simple fix. your flex libs are either missing or broken emerge flex
(Re)emerge flex, see Bug 90456.
Thanks
