Re: [libvirt] [PATCH] Fix link errors in tools/nss and tests

On 08/08/2018 07:00 PM, Jim Fehlig wrote: > While local builds succeed fine, a build worker building in a chroot > environment is encountering errors when linking some items in tools/nss > and tests, e.g. > > [ 469s] libtool: link: gcc -shared -fPIC -DPIC -Wl,--whole-archive nss/.libs/libnss_libvirt_impl.a -Wl,--no-whole-archive -lpthread -lutil -ltirpc -fstack-protector-strong -grecord-gcc-switches -O2 -fstack-protector-strong -g -Wl,--version-script=./nss/libvirt_nss.syms -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--no-copy-dt-needed-entries -Wl,-z -Wl,defs -grecord-gcc-switches -O2 -fstack-protector-strong -g -pthread -Wl,-soname -Wl,libnss_libvirt.so.2 -o nss/.libs/libnss_libvirt.so.2 > [ 469s] nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virjsoncompat.o): In function `virJSONJanssonOnce': > [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:63: undefined reference to `dlopen' > [ 469s] /home/abuild/rpmbuild/BUILD/libvirt-4.6.0/src/util/virjsoncompat.c:79: undefined reference to `dlsym' > ... > > A similar problem was fixed in commit b018ada3 and inspires this fix. > > Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; > --- > tools/Makefile.am | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/tools/Makefile.am b/tools/Makefile.am > index 1452d984a0..26c887649e 100644 > --- a/tools/Makefile.am > +++ b/tools/Makefile.am > @@ -527,7 +527,8 @@ nss_libnss_libvirt_impl_la_CFLAGS = \ > > nss_libnss_libvirt_impl_la_LIBADD = \ > ../gnulib/lib/libgnu.la \ > - ../src/libvirt-nss.la > + ../src/libvirt-nss.la \ > + $(DLOPEN_LIBS) > > nss_libnss_libvirt_la_SOURCES = > nss_libnss_libvirt_la_LDFLAGS = \ > @@ -554,7 +555,8 @@ nss_libnss_libvirt_guest_impl_la_CFLAGS = \ > > nss_libnss_libvirt_guest_impl_la_LIBADD = \ > ../gnulib/lib/libgnu.la \ > - ../src/libvirt-nss.la > + ../src/libvirt-nss.la \ > + $(DLOPEN_LIBS) > > nss_libnss_libvirt_guest_la_SOURCES = > nss_libnss_libvirt_guest_la_LDFLAGS = \ > While I agree that we need to put DLOPEN_LIBS somewhere shouldn't be that the lib that compiles virjsoncompat.c in?

I mean, that is the source of the dependency and therefore anything linking with it will need similar treatment. Something among these lines (quickly written and untested patch): diff --git i/src/Makefile.am w/src/Makefile.am index a4f213480e..51c134f08e 100644 --- i/src/Makefile.am +++ w/src/Makefile.am @@ -744,6 +744,7 @@ libvirt_setuid_rpc_client_la_LDFLAGS = \ $(AM_LDFLAGS) \ $(LIBXML_LIBS) \ $(SECDRIVER_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL) libvirt_setuid_rpc_client_la_CFLAGS = \ -DLIBVIRT_SETUID_RPC_CLIENT \ @@ -1000,6 +1001,7 @@ libvirt_nss_la_CFLAGS = \ $(NULL) libvirt_nss_la_LDFLAGS = \ $(AM_LDFLAGS) \ + $(DLOPEN_LIBS) \ $(NULL) endif WITH_NSS diff --git i/src/util/Makefile.inc.am w/src/util/Makefile.inc.am index 8ef9ee1dfa..c5c50f1844 100644 --- i/src/util/Makefile.inc.am +++ w/src/util/Makefile.inc.am @@ -278,6 +278,7 @@ libvirt_util_la_LIBADD = \ $(NUMACTL_LIBS) \ $(ACL_LIBS) \ $(GNUTLS_LIBS) \ + $(DLOPEN_LIBS) \ $(NULL)