[Buildroot] [PATCH v2] dbus: use -pthread instead of -lpthread
Peter Korsgaard
jacmet at uclibc.org
Tue Jul 1 11:31:39 UTC 2014
>>>>> "Vicente" == Vicente Olivert Riera <Vincent.Riera at imgtec.com> writes:
> This fixes a problem in other packages when they link against dbus. For
> instance, with the dnsmasq package:
> /buildroot/output/host/usr/bin/mipsel-ctng-linux-uclibc-gcc --static
> -lidn -o dnsmasq cache.o rfc1035.o util.o option.o forward.o network.o
> dnsmasq.o dhcp.o lease.o rfc2131.o netlink.o dbus.o bpf.o helper.o
> tftp.o log.o conntrack.o dhcp6.o rfc3315.o dhcp-common.o outpacket.o
> radv.o slaac.o auth.o ipset.o domain.o dnssec.o blockdata.o
> -L/buildroot/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib
> -ldbus-1 -lpthread
> -L/buildroot/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib
> -lidn -liconv
> -L/buildroot/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib
> -llua -lm -Wl,-Bstatic -lhogweed
> -L/buildroot/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib
> -lnettle -lgmp -Wl,-Bdynamic -Wl,-Bstatic -lgmp -Wl,-Bdynamic
> /buildroot/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib/libpthread.a(init.os):
> In function `__pthread_initialize_minimal_internal':
> init.c:(.text+0x26c): undefined reference to `__libc_setup_tls'
> collect2: error: ld returned 1 exit status
> make[2]: *** [dnsmasq] Error 1
> make[2]: Leaving directory
> `/buildroot/output/build/dnsmasq-2.71/src'
> When dnsmasq tries to link against dbus it checks the dbus pkgconfig
> file to obtain the LIBS that it need to pass to the linker. In the dbus
> .pc file you have "-ldbus-1 -lpthread" because -lpthread was used when
> building dbus. If you use -pthread when you build dbus, then you will
> have -pthread in the dbus .pc file as well.
> -lpthread means that we want to link with a library called pthread.
> -pthread is a compiler option which will do whatever is needed to be
> done to compile with the pthreads standards so that it works.
> Fixes:
> http://autobuild.buildroot.net/results/7cd/7cdab3b6f74dbfde965300a51e58a377ba30602b/
> Signed-off-by: Vicente Olivert Riera <Vincent.Riera at imgtec.com>
Committed, thanks.
--
Bye, Peter Korsgaard
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