Merge pull request ceph#61067 from MaxKellermann/librados_static

librados: disable symbol versions when building statically

Author: SrinivasaBharath

src/librados/CMakeLists.txt

@@ -29,6 +29,7 @@ if(ENABLE_SHARED)
     set_property(TARGET librados APPEND_STRING PROPERTY
       LINK_FLAGS " -static-libstdc++ -static-libgcc")
   endif()
+  target_compile_definitions(librados PRIVATE -DLIBRADOS_SHARED=1)
 endif()
 target_link_libraries(librados PRIVATE
   librados_impl osdc ceph-common cls_lock_client

src/librados/librados_c.cc

@@ -44,7 +44,7 @@
 #define tracepoint(...)
 #endif
 
-#if defined(HAVE_ASM_SYMVER) || defined(HAVE_ATTR_SYMVER)
+#if defined(LIBRADOS_SHARED) && (defined(HAVE_ASM_SYMVER) || defined(HAVE_ATTR_SYMVER))
 // prefer __attribute__() over global asm(".symver"). because the latter
 // is not parsed by the compiler and is partitioned away by GCC if
 // lto-partitions is enabled, in other words, these asm() statements