Linking problem with lld

[Willem Jan Withagen]

On 2-3-2019 18:35, Tijl Coosemans wrote:
> On Sat, 2 Mar 2019 17:49:25 +0100 Willem Jan Withagen <wjw at digiware.nl>
> wrote:
>> On 2-3-2019 16:21, Tijl Coosemans wrote:
>>> On Sat, 2 Mar 2019 14:21:57 +0100 Willem Jan Withagen <wjw at digiware.nl>
>>> wrote:
>>>> Now if I look in librados.so for rados_create that gives:
>>>> ====
>>>>    > objdump -t librados.so.2.0.0 | grep rados_create
>>> You want to look at dynamic symbols so "objdump -T".
>> Right, that list is empty.
>>
>> So I'm wondering what I can do to get them in that list.
> Try the command that creates librados.so.2.0.0 without the
> --version-script argument.

Right, When I see the output, I know I tried that before. But then the 
versioning goes
wrong, I think...
Might need to rewrite the map-file?

--WjW

[ 43%] Linking CXX shared library ../../lib/librados.so
cd /home/jenkins/workspace/ceph-master/build/src/librados && 
/usr/local/bin/cmake -E cmake_link_script 
CMakeFiles/librados.dir/link.txt --verbose=1
ccache /usr/bin/c++ -fPIC  -Wall -Wtype-limits -Wignored-qualifiers 
-Winit-self -Wpointer-arith -Werror=format-security -fno-strict-aliasing 
-fsigned-char -Wno-unknown-pragmas -Wno-unused-function 
-Wno-unused-local-typedef -Wno-varargs -Wno-gnu-designator 
-Wno-missing-braces -Wno-parentheses -Wno-deprecated-register 
-ftemplate-depth-1024 -Wnon-virtual-dtor -Wno-unknown-pragmas 
-Wno-ignored-qualifiers -Wno-inconsistent-missing-override 
-Wno-mismatched-tags -Wno-unused-private-field 
-Wno-address-of-packed-member -DCEPH_DEBUG_MUTEX 
-fdiagnostics-color=auto -fno-builtin-malloc -fno-builtin-calloc 
-fno-builtin-realloc -fno-builtin-free  -O0 -g -fvisibility=default  
-Wl,--exclude-libs,ALL -shared -Wl,-soname,librados.so.2 -o 
../../lib/librados.so.2.0.0 CMakeFiles/librados.dir/librados_c.cc.o 
CMakeFiles/librados.dir/librados_cxx.cc.o 
../common/CMakeFiles/common_buffer_obj.dir/buffer.cc.o -L/usr/local/lib 
-Wl,-rpath,/usr/local/lib:/home/jenkins/workspace/ceph-master/build/lib:/usr/local/lib/nss: 
../../lib/liblibrados_impl.a ../../lib/libosdc.a 
../../lib/libceph-common.so.0 ../../lib/libcls_lock_client.a 
/usr/local/lib/nss/libssl3.so /usr/local/lib/nss/libsmime3.so 
/usr/local/lib/nss/libnss3.so /usr/local/lib/nss/libnssutil3.so 
/usr/local/lib/libplds4.so /usr/local/lib/libplc4.so 
/usr/local/lib/libnspr4.so /usr/local/lib/libcrypto.so -lrt 
../../lib/libjson_spirit.a ../../lib/libcommon_utf8.a 
../../lib/liberasure_code.a ../../lib/libcrc32.a ../../lib/libarch.a 
/usr/local/lib/libboost_thread.so /usr/local/lib/libboost_chrono.so 
/usr/local/lib/libboost_atomic.so /usr/local/lib/libboost_random.so 
/usr/local/lib/libboost_system.so 
/usr/local/lib/libboost_program_options.so 
/usr/local/lib/libboost_date_time.so 
/usr/local/lib/libboost_iostreams.so /usr/local/lib/libboost_regex.so 
/usr/lib/libexecinfo.so /usr/local/lib/nss/libssl3.so 
/usr/local/lib/nss/libsmime3.so /usr/local/lib/nss/libnss3.so 
/usr/local/lib/nss/libnssutil3.so /usr/local/lib/libplds4.so 
/usr/local/lib/libplc4.so /usr/local/lib/libnspr4.so -lpthread
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_append@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_cancel@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_cmpext@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_create_completion@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_exec@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_flush@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_flush_async@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_get_return_value@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_get_version@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_getxattr@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_getxattrs@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_ioctx_selfmanaged_snap_create@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_ioctx_selfmanaged_snap_remove@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_is_complete@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_is_complete_and_cb@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_is_safe@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_is_safe_and_cb@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_notify@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_read@@ has undefined version
ld: error: CMakeFiles/librados.dir/librados_c.cc.o: symbol 
rados_aio_read_op_operate@@ has undefined version
ld: error: too many errors emitted, stopping now (use -error-limit=0 to 
see all errors)
c++: error: linker command failed with exit code 1 (use -v to see 
invocation)