hi Kenton： Thank you very much. I've settled it.Splitting bazel-dependent libraries into three libraries，It works
best wish whutbd 在 2019年10月12日星期六 UTC+8上午1:00:26，Kenton Varda写道： > > Hi, > > Sorry, I do not know how to control Bazel's linker command line order. > Maybe it would help to define three separate cc_library rules for the three > libraries, with the dependencies between them specified -- maybe Bazel will > then recognize the dependency relationship and do the ordering correctly. > But I don't know. > > -Kenton > > On Fri, Oct 11, 2019 at 8:48 AM 张小 <[email protected] <javascript:>> wrote: > >> bazel link *.a in Lexicographic order,how can I change it >> >> >> bazel-out/k8-fastbuild/bin/_objs/test_capn/demo/test_capn_serialize_performance.pic.o >> bazel-out/k8-fastbuild/bin/_objs/test_capn/demo/full_info.capnp.pic.o >> capnp/lib/libcapnp.a >> capnp/lib/libcapnpc.a >> capnp/lib/libkj.a >> -lstdc++ >> -lm >> >> >> >> 在 2019年10月11日星期五 UTC+8下午7:12:26，张小写道： >>> >>> >>> nm -C libcapnpc.a |grep SchemaLoader|grep 'get(' >>> U capnp::SchemaLoader::get(unsigned long, >>> capnp::schema::Brand::Reader, capnp::Schema) const >>> >>> nm -C libcapnp.a |grep SchemaLoader|grep 'get(' >>> 0000000000004250 T capnp::SchemaLoader::get(unsigned long, >>> capnp::schema::Brand::Reader, capnp::Schema) const >>> >>> >>> it seems SchemaLoader::get Symbol in libcapnp.a ， and in my bazel build >>> file like this >>> >>> cc_library( >>> name = 'capnp', >>> visibility = ["//visibility:public"], >>> hdrs = glob([ >>> "include/capnp/*.h", >>> "include/capnp/compat/*.h", >>> "include/kj/*.h", >>> "include/kj/**/*.h", >>> ]), >>> srcs = glob([ >>> "lib/libcapnpc.a", >>> "lib/libcapnp.a", >>> "lib/libkj.a", >>> ]), >>> >>> strip_include_prefix = "include", >>> ) >>> >>> >>> >>> >>> >>> >>> >>> >>> 在 2019年10月11日星期五 UTC+8下午3:47:39，张小写道： >>>> >>>> Hi,Kenton: >>>> I like capnp, I use Capn ,Link with static libraries( use .a) >>>> Failed ,Error Like this >>>> >>>> ERROR: xxxxx/BUILD:6:1: Linking of rule '//:test_capn' failed (Exit 1) >>>> capnp/lib/libcapnpc.a(schema-parser.o):schema-parser.c++:function >>>> capnp::ParsedSchema::findNested(kj::StringPtr) const: error: undefined >>>> reference to 'capnp::SchemaLoader::get(unsigned long, >>>> capnp::schema::Brand::Reader, capnp::Schema) const' >>>> >>>> >>>> but the libcapnpc.a has the “SchemaLoader::get” Symbol like this: >>>> nm capnp/lib/libcapnpc.a |grep SchemaLoader|grep get >>>> nm -C lib/libcapnpc.a |grep SchemaLoader|grep get >>>> U capnp::SchemaLoader::get(unsigned long, >>>> capnp::schema::Brand::Reader, capnp::Schema) const >>>> U >>>> capnp::SchemaLoader::getType(capnp::schema::Type::Reader, capnp::Schema) >>>> const >>>> U capnp::SchemaLoader::get(unsigned long, >>>> capnp::schema::Brand::Reader, capnp::Schema) const >>>> >>>> >>>> capnp/lib$ ll -rth >>>> 总用量 8.4M >>>> -rw-r--r-- 1 mulou mulou 1.1M 9月 27 15:08 libcapnp.a >>>> -rw-r--r-- 1 mulou mulou 1.4M 9月 27 15:08 libcapnpc.a >>>> -rw-r--r-- 1 mulou mulou 330K 9月 27 15:08 libcapnp-json.a >>>> -rw-r--r-- 1 mulou mulou 2.0M 9月 27 15:08 libcapnp-rpc.a >>>> -rw-r--r-- 1 mulou mulou 941K 9月 27 15:08 libkj.a >>>> -rw-r--r-- 1 mulou mulou 1.2M 9月 27 15:08 libkj-async.a >>>> -rw-r--r-- 1 mulou mulou 70K 9月 27 15:08 libkj-test.a >>>> -rw-r--r-- 1 mulou mulou 1.5M 9月 27 15:08 libkj-http.a >>>> >>>> *I try to link it with dynamic libraries,it works * >>>> >>>> *nm -C lib-old/libcapnpc.so |grep SchemaLoader|grep get* >>>> * U capnp::SchemaLoader::get(unsigned long, >>>> capnp::schema::Brand::Reader, capnp::Schema) const* >>>> * U >>>> capnp::SchemaLoader::getType(capnp::schema::Type::Reader, capnp::Schema) >>>> const* >>>> >>>> *But I want to use static libraries instead of dynamic libraries >>>> because dynamic libraries are a little cumbersome to deploy. * >>>> >>>> *I install the capn **libraries** like this :* >>>> >>>> curl -O https://capnproto.org/capnproto-c++-0.7.0.tar.gz tar zxf >>>> capnproto-c++-0.7.0.tar.gz cd capnproto-c++-0.7.0 ./configure make -j6 >>>> check sudo make install >>>> >>>> All the best >>>> whutbd >>>> >>>> >>>> >>>> -- >> You received this message because you are subscribed to the Google Groups >> "Cap'n Proto" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/capnproto/ae657a42-78cf-4903-8f76-00e186d9a256%40googlegroups.com >> >> <https://groups.google.com/d/msgid/capnproto/ae657a42-78cf-4903-8f76-00e186d9a256%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Cap'n Proto" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/capnproto/c4ec6b25-bc76-4fbe-bc19-b18e312619dc%40googlegroups.com.
