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Unbreak Z3 C++ API exception support for GCC < 5.0. This was broken

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by 0b1d564509 .

Older versions of GCC do not define `__cpp_exceptions` which caused
exceptions to not be raised leading to unexpected failures. To fix
this also check the `__EXCEPTIONS` macro which is used by older GCC
versions.

Also `#undef` the `Z3_THROW` macro at the end of the header file
because this is an implementation detail that we don't want to leak
to clients.
This commit is contained in:
Dan Liew 2017-06-25 22:57:13 +01:00
parent 2fceac04d4
commit 42e0f8f9ce
1 changed files with 2 additions and 2 deletions
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4
src/api/c++/z3++.h
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@ -87,7 +87,7 @@ namespace z3 {
inline std::ostream & operator<<(std::ostream & out, exception const & e) { out << e.msg(); return out; }
#if !defined(Z3_THROW)
#if __cpp_exceptions || _CPPUNWIND
#if __cpp_exceptions || _CPPUNWIND || __EXCEPTIONS
#define Z3_THROW(x) throw x
#else
#define Z3_THROW(x) {}
@ -2796,6 +2796,6 @@ namespace z3 {
/*@}*/
/*@}*/
#undef Z3_THROW
#endif