spack/var/spack/repos/builtin/packages/dealii/boost_1.65.1_singleton.patch
Denis Davydov 23d56a75ab dealii: update boost dependency (#6586)
(i) blacklst 1.65.0 due to issues on Ubuntu with gcc 5.4.0
(ii) add a patch for 1.65.1 to fix serialization
(iii) simplify boost's depends_on()
2017-12-08 10:37:54 +01:00

44 lines
1.6 KiB
Diff

diff --git a/boost/serialization/singleton.hpp b/boost/serialization/singleton.hpp
index b50afed..e891d55 100644
--- a/boost/serialization/singleton.hpp
+++ b/boost/serialization/singleton.hpp
@@ -91,7 +91,7 @@ class BOOST_SYMBOL_VISIBLE singleton_module :
public boost::noncopyable
{
private:
- BOOST_SERIALIZATION_DECL BOOST_DLLEXPORT static bool & get_lock() BOOST_USED;
+ BOOST_DLLEXPORT static bool & get_lock() BOOST_USED;
public:
BOOST_DLLEXPORT static void lock(){
get_lock() = true;
@@ -115,7 +115,7 @@ private:
// use a wrapper so that types T with protected constructors
// can be used
class singleton_wrapper : public T {};
- static singleton_wrapper t;
+ static singleton_wrapper* t = new singleton_wrapper;
// refer to instance, causing it to be instantiated (and
// initialized at startup on working compilers)
BOOST_ASSERT(! is_destroyed());
@@ -125,7 +125,9 @@ private:
// our usage/implementation of "locking" and introduce uncertainty into
// the sequence of object initializaition.
use(& m_instance);
- return static_cast<T &>(t);
+ if (!t)
+ t = new singleton_wrapper;
+ return static_cast<T &>(*t);
}
static bool & get_is_destroyed(){
static bool is_destroyed;
@@ -147,6 +149,9 @@ public:
get_is_destroyed() = false;
}
BOOST_DLLEXPORT ~singleton() {
+ if (!get_is_destroyed()) {
+ delete &(get_instance());
+ }
get_is_destroyed() = true;
}
};