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gcc 4.2 on MacOSX 10.8 defines __cplusplus==1, but does not support C++11; refs #11

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Marc Wäckerlin
2014-09-12 07:53:27 +00:00
parent 0b34525d89
commit b45a9233b7
1 changed files with 19 additions and 14 deletions
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33
src/mrw/checkcxx11.hxx
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@@ -12,21 +12,26 @@
// otherwise there is a fallback wich makes everything much more compliacted // otherwise there is a fallback wich makes everything much more compliacted
# ifndef MRW__OLD_PRE11_COMPILER # ifndef MRW__OLD_PRE11_COMPILER
# if __cplusplus < 201103L # if __cplusplus < 201103L
// # if __APPLE__
// /// Code is compiled with an old non C++11 standard compliant compiler
// /** There are workarounds for old non C++11 compatible
// compilers. These workarounds are deprecated, but will remain until
// most compilers fully support C++11. So this workaround will be
// removed in future releases, when support for C++11 is more
// common. Only rely on this workaround, if you really have to. */
// # warning you need a C++11 compliant compiler, on gcc: add -std=c++11
// # warning to emulate C++11, on gcc: add -DMRW__OLD_PRE11_COMPILER
// # warning refere to the library documentation for more details
// # elif __cplusplus==1
# if __cplusplus==1 # if __cplusplus==1
// __cplusplus==1 is a known bug in gcc 4.6.3 # if __APPLE__
# warning your compiler has a know bug, please upgrade to gcc >= 4.7 /// Code is compiled with old non C++11 standard compliant compiler
# warning see __cplusplus in http://gcc.gnu.org/gcc-4.7/changes.html /** There are workarounds for old non C++11 compatible
compilers. These workarounds are deprecated, but will
remain until most compilers fully support C++11. So
this workaround will be removed in future releases,
when support for C++11 is more common. Only rely on
this workaround, if you really have to.
Mac gcc is even worse than on other systems. */
# define MRW__OLD_PRE11_COMPILER
# warning you need a C++11 compliant compiler, on gcc: add -std=c++11
# warning emulating C++11 - this changes the way you use the library
# warning this is deprecated and will be removed in future releases
# warning refere to the library documentation for more details
# else
// __cplusplus==1 is a known bug in gcc 4.6.3
# warning your compiler has a know bug, please upgrade to gcc >= 4.7
# warning see __cplusplus in http://gcc.gnu.org/gcc-4.7/changes.html
# fi
# else # else
/// Code is compiled with an old non C++11 standard compliant compiler /// Code is compiled with an old non C++11 standard compliant compiler
/** There are workarounds for old non C++11 compatible /** There are workarounds for old non C++11 compatible