Fix interoperability with pninexus.h5cpp

Without this fix, importing pninexus.h5cpp after asapo_worker crashed
the interpreter with a std::bad_cast exception, cf.
https://stackoverflow.com/questions/3765669

worker/api/python/CMakeLists_Linux.cmake

@@ -3,7 +3,7 @@ if ((CMAKE_BUILD_TYPE STREQUAL "Debug") AND (CMAKE_C_COMPILER_ID STREQUAL "GNU")
     set (EXTRA_LINK_ARGS "['--coverage','-fprofile-arcs','-ftest-coverage','-static-libgcc','-static-libstdc++']")
 ELSEIF(CMAKE_C_COMPILER_ID STREQUAL "GNU")
     set (EXTRA_COMPILE_ARGS "['--std=c++11']")
-    set (EXTRA_LINK_ARGS "['-static-libgcc','-static-libstdc++']")
+    set (EXTRA_LINK_ARGS "['-static-libgcc','-static-libstdc++','-Wl,--exclude-libs,ALL']")
 else()
     set (EXTRA_COMPILE_ARGS "['-std=c++11']")
     set (EXTRA_LINK_ARGS "[]")