914: build: add -rdynamic to fix stack traces

CMakeLists.txt

@@ -36,6 +36,8 @@ endif()
 include(SetCXXCompilerFlags)
 set_darma_compiler_flags()
 
+include(cmake/set_linker_flags.cmake)
+
 # Code coverage option of VT
 option(CODE_COVERAGE "Enable coverage reporting" OFF)
 # OPTION(CODE_COVERAGE_ENABLED FALSE)

cmake-modules/CheckLinkerFlag.cmake

@@ -0,0 +1,14 @@
+include(CheckCXXCompilerFlag)
+
+if(POLICY CMP0056)
+  # Honor link flags in try_compile() source-file signature.
+  cmake_policy(SET CMP0056 NEW)
+endif()
+
+# This is written because cmake does not support `check_linker_flag` until 3.18
+function(check_linker_flag flag out_var)
+  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
+  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
+  check_cxx_compiler_flag("" ${out_var})
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+endfunction()

cmake/set_linker_flags.cmake

@@ -0,0 +1,7 @@
+include(CheckLinkerFlag)
+
+check_linker_flag(-rdynamic LINK_SUPPORTS_RDYNAMIC)
+
+if (LINK_SUPPORT_RDYNAMIC)
+  target_link_options(${VIRTUAL_TRANSPORT_LIBRARY} INTERFACE -rdynamic)
+endif()