cmake: link rados_snap_set_diff_obj and krbd against legacy-option-headers

in c24a6ffe20, we tried to link all target dependent on legacy option
headers against legacy-option-headers, but we missed some of them.
in our CI, we spotted build failure like:
```
FAILED: src/CMakeFiles/rados_snap_set_diff_obj.dir/librados/snap_set_diff.cc.o
/usr/bin/ccache /usr/bin/clang++-14 -DBOOST_ASIO_DISABLE_THREAD_KEYWORD_EXTENSION -DBOOST_ASIO_HAS_IO_URING -DBOOST_ASIO_NO_TS_EXECUTORS -DHAVE_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_REENTRANT -D_THREAD_SAFE -D__CEPH__ -D__STDC_FORMAT_MACROS -D__linux__ -I/home/jenkins-build/build/workspace/ceph-api/build/src/include -I/home/jenkins-build/build/workspace/ceph-api/src -isystem /opt/ceph/include -isystem /home/jenkins-build/build/workspace/ceph-api/build/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/api/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/exporters/jaeger/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/ext/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/sdk/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/xxHash -isystem /home/jenkins-build/build/workspace/ceph-api/src/fmt/include -g -Werror -fPIC -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free -DBOOST_PHOENIX_STL_TUPLE_H_ -Wall -fno-strict-aliasing -fsigned-char -Wtype-limits -Wignored-qualifiers -Wpointer-arith -Werror=format-security -Winit-self -Wno-unknown-pragmas -Wnon-virtual-dtor -Wno-ignored-qualifiers -ftemplate-depth-1024 -Wpessimizing-move -Wredundant-move -Wno-inconsistent-missing-override -Wno-mismatched-tags -Wno-unused-private-field -Wno-address-of-packed-member -Wno-unused-function -Wno-unused-local-typedef -Wno-varargs -Wno-gnu-designator -Wno-missing-braces -Wno-parentheses -Wno-deprecated-register -DCEPH_DEBUG_MUTEX -D_GLIBCXX_ASSERTIONS -fdiagnostics-color=auto -std=c++20 -MD -MT src/CMakeFiles/rados_snap_set_diff_obj.dir/librados/snap_set_diff.cc.o -MF src/CMakeFiles/rados_snap_set_diff_obj.dir/librados/snap_set_diff.cc.o.d -o src/CMakeFiles/rados_snap_set_diff_obj.dir/librados/snap_set_diff.cc.o -c /home/jenkins-build/build/workspace/ceph-api/src/librados/snap_set_diff.cc
In file included from /home/jenkins-build/build/workspace/ceph-api/src/librados/snap_set_diff.cc:7:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/ceph_context.h:41:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config_proxy.h:6:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config.h:27:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config_values.h:59:
/home/jenkins-build/build/workspace/ceph-api/src/common/options/legacy_config_opts.h:7:10: fatal error: 'osd_legacy_options.h' file not found
         ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[111/1748] Generating immutable-object-cache_options.cc, ../../../include/immutable-object-cache_legacy_options.h
[112/1748] Building CXX object src/CMakeFiles/krbd.dir/krbd.cc.o
FAILED: src/CMakeFiles/krbd.dir/krbd.cc.o
/usr/bin/ccache /usr/bin/clang++-14 -DBOOST_ASIO_DISABLE_THREAD_KEYWORD_EXTENSION -DBOOST_ASIO_HAS_IO_URING -DBOOST_ASIO_NO_TS_EXECUTORS -DHAVE_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_REENTRANT -D_THREAD_SAFE -D__CEPH__ -D__STDC_FORMAT_MACROS -D__linux__ -I/home/jenkins-build/build/workspace/ceph-api/build/src/include -I/home/jenkins-build/build/workspace/ceph-api/src -isystem /opt/ceph/include -isystem /home/jenkins-build/build/workspace/ceph-api/build/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/api/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/exporters/jaeger/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/ext/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/jaegertracing/opentelemetry-cpp/sdk/include -isystem /home/jenkins-build/build/workspace/ceph-api/src/xxHash -isystem /home/jenkins-build/build/workspace/ceph-api/src/fmt/include -g -Werror -fPIC -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free -DBOOST_PHOENIX_STL_TUPLE_H_ -Wall -fno-strict-aliasing -fsigned-char -Wtype-limits -Wignored-qualifiers -Wpointer-arith -Werror=format-security -Winit-self -Wno-unknown-pragmas -Wnon-virtual-dtor -Wno-ignored-qualifiers -ftemplate-depth-1024 -Wpessimizing-move -Wredundant-move -Wno-inconsistent-missing-override -Wno-mismatched-tags -Wno-unused-private-field -Wno-address-of-packed-member -Wno-unused-function -Wno-unused-local-typedef -Wno-varargs -Wno-gnu-designator -Wno-missing-braces -Wno-parentheses -Wno-deprecated-register -DCEPH_DEBUG_MUTEX -D_GLIBCXX_ASSERTIONS -fdiagnostics-color=auto -std=c++20 -MD -MT src/CMakeFiles/krbd.dir/krbd.cc.o -MF src/CMakeFiles/krbd.dir/krbd.cc.o.d -o src/CMakeFiles/krbd.dir/krbd.cc.o -c /home/jenkins-build/build/workspace/ceph-api/src/krbd.cc
In file included from /home/jenkins-build/build/workspace/ceph-api/src/krbd.cc:44:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/mon/MonMap.h:28:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/mon/mon_types.h:20:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/include/Context.h:19:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/dout.h:29:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/ceph_context.h:41:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config_proxy.h:6:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config.h:27:
In file included from /home/jenkins-build/build/workspace/ceph-api/src/common/config_values.h:59:
/home/jenkins-build/build/workspace/ceph-api/src/common/options/legacy_config_opts.h:11:10: fatal error: 'rgw_legacy_options.h' file not found
         ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
```

so in this change, we link the related targets to
`legacy-option-headers` as well to fulfill the build dependency.

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ccee64f6c4f86c9c78ba63a81a951c990c6557ef..4f8ea9593575f25d968c63949956051571ff0025 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -621,6 +621,8 @@ add_subdirectory(osdc)
 add_subdirectory(perfglue)
 
 add_library(rados_snap_set_diff_obj OBJECT librados/snap_set_diff.cc)
+target_link_libraries(rados_snap_set_diff_obj
+  PRIVATE legacy-option-headers)
 
 option(WITH_LIBRADOSSTRIPER "build with libradosstriper support" ON)
 
@@ -877,7 +879,9 @@ if(WITH_RBD)
   if(WITH_KRBD)
     add_library(krbd STATIC krbd.cc
       $<TARGET_OBJECTS:parse_secret_objs>)
-    target_link_libraries(krbd keyutils::keyutils)
+    target_link_libraries(krbd
+      keyutils::keyutils
+      legacy-option-headers)
   endif()
   add_subdirectory(librbd)
   if(WITH_FUSE)