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Don't bump compiler requirements from GCC 4.7 to GCC 4.8 yet.

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Fix #1189
This commit is contained in:
Alexey Sokolov
2015-11-26 14:01:26 +00:00
parent 1ab7fbf3b9
commit b7aff7f7ea
1 changed files with 16 additions and 5 deletions
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21
include/znc/Message.h
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@@ -17,6 +17,17 @@
#ifndef ZNC_MESSAGE_H
#define ZNC_MESSAGE_H
// Remove this after Feb 2016 when Debian 7 is EOL
#if __cpp_ref_qualifiers >= 200710
# define ZNC_LVREFQUAL &
#elif defined(__clang__)
# define ZNC_LVREFQUAL &
#elif __GNUC__ > 4 || __GNUC__ == 4 && (__GNUC_MINOR__ > 8 || __GNUC_MINOR__ == 8 && __GNUC_PATCHLEVEL__ >= 1)
# define ZNC_LVREFQUAL &
#else
# define ZNC_LVREFQUAL
#endif
#include <znc/zncconfig.h>
#include <znc/ZNCString.h>
#include <znc/Nick.h>
@@ -105,29 +116,29 @@ public:
// Implicit and explicit conversion to a subclass reference.
#ifndef SWIG
template <typename M>
M& As() & {
M& As() ZNC_LVREFQUAL {
static_assert(sizeof(M) == sizeof(CMessage), "No data members allowed in CMessage subclasses.");
return static_cast<M&>(*this);
}
template <typename M>
const M& As() const & {
const M& As() const ZNC_LVREFQUAL {
static_assert(sizeof(M) == sizeof(CMessage), "No data members allowed in CMessage subclasses.");
return static_cast<const M&>(*this);
}
template <typename M>
operator M&() & {
operator M&() ZNC_LVREFQUAL {
return As<M>();
}
template <typename M>
operator const M&() const & {
operator const M&() const ZNC_LVREFQUAL {
return As<M>();
}
// REGISTER_ZNC_MESSAGE allows SWIG to instantiate correct .As<> calls.
#define REGISTER_ZNC_MESSAGE(M)
#else
// SWIG doesn't parse ref-qualifiers, and doesn't differentiate constness.
// SWIG (as of 3.0.7) doesn't parse ref-qualifiers, and doesn't differentiate constness.
template <typename M> M& As();
#endif