On Sun, Mar 16, 2014 at 10:10:15AM +0200, Samuli Suominen wrote: > Since -Wl,-fuse-ld=gold addition, this happens on IA64 arch where binutils's > ld gold doesn't support --gc-sections yet:
Maybe you should just use bfd linker then? Gold was only necessary for the ifunc stuff, which is gone anyway. This might to be a better solution, since otherwise everything gets an extra lib. LDFLAGS=-Wl,-fuse=bfd ? Zbyszek > libtool: link: ia64-unknown-linux-gnu-gcc -shared -fPIC -DPIC > src/libudev/.libs/libudev_la-libudev.o > src/libudev/.libs/libudev_la-libudev-list.o src/libudev/.libs/libudev_la-libu > dev-util.o src/libudev/.libs/libudev_la-libudev-device.o > src/libudev/.libs/libudev_la-libudev-enumerate.o > src/libudev/.libs/libudev_la-libudev-monitor.o src/libudev/.libs/libudev_l > a-libudev-queue.o src/libudev/.libs/libudev_la-libudev-hwdb.o > -Wl,--whole-archive ./.libs/libsystemd-internal.a ./.libs/libsystemd-shared.a > -Wl,--no-whole-archive -Wl,--as-needed > -lrt -ldl -O2 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z -Wl,relro -Wl,-z > -Wl,now -Wl,-fuse-ld=gold > -Wl,--version-script=/tmp/systemd-211/src/libudev/libudev.sym -Wl,-O1 > -pthread -Wl,-soname -Wl,libudev.so.1 -o .libs/libudev.so.1.4.0 > cc1: warning: ./src/core: No such file or directory [enabled by default] > /usr/lib/gcc/ia64-unknown-linux-gnu/4.7.3/../../../../ia64-unknown-linux-gnu/bin/ld: > Warning: gc-sections option ignored > ./.libs/libsystemd-internal.a(libsystemd_internal_la-sd-resolve.o): In > function `handle_request': > /tmp/systemd-211/src/libsystemd/sd-resolve/sd-resolve.c:432: undefined > reference to `__res_search' > /tmp/systemd-211/src/libsystemd/sd-resolve/sd-resolve.c:430: undefined > reference to `__res_query' > collect2: error: ld returned 1 exit status > make: *** [libudev.la] Error 1 > > Patch adds -lresolv to libsystemd_internal_la_LIBADD = accordingly, so > building works with or without --gc-sections working properly. > > See also, http://bugs.gentoo.org/show_bug.cgi?id=504700 > > > From 2b9ae40d830596eda80cc5bc5252c6685cb75eaa Mon Sep 17 00:00:00 2001 > From: Samuli Suominen <ssuomi...@gentoo.org> > Date: Sat, 15 Mar 2014 20:40:24 +0200 > Subject: [PATCH] Link against -lresolv to prevent linker errors like: > /usr/lib/gcc/ia64-unknown-linux-gnu/4.7.3/../../../../ia64-unknown- > linux-gnu/bin/ld: Warning: gc-sections option ignored > ./.libs/libsystemd-internal.a(libsystemd_internal_la-sd-resolve.o): > In function `handle_request': > /tmp/systemd-211/src/libsystemd/sd-resolve/sd-resolve.c:432: undefined > reference to '__res_search' > /tmp/systemd-211/src/libsystemd/sd-resolve/sd-resolve.c:430: undefined > reference to '__res_query' > > IA64 arch with -fuse-ld=gold doesn't support --gc-sections, which > revealed the underlinking. See Gentoo bug 504700. > > --- > Makefile.am | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Makefile.am b/Makefile.am > index 9e01cd5..4b8a081 100644 > --- a/Makefile.am > +++ b/Makefile.am > @@ -2121,7 +2121,8 @@ libsystemd_internal_la_CFLAGS = \ > -pthread > > libsystemd_internal_la_LIBADD = \ > - $(RT_LIBS) > + $(RT_LIBS) \ > + -lresolv > > noinst_LTLIBRARIES += \ > libsystemd-internal.la > -- _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
