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 <7745...@qq.com <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
>>>>
>>>>
>>>>
>>>> --
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