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Bug 808876 - Part 0: Only allow the usage of enum classes in gcc 4.5 and newer; r=bzbarsky

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Older gccs such as gcc 4.4 cannot handle comparison operators taking
arguments of the enum class type, which would cause valid C++ code
to not compile.  So we should just use our fallback enum class
emulation on those platforms.

--HG--
extra : rebase_source : 3cd2fd2faabc36c767e76442efabf55f8a54c83f
This commit is contained in:
Ehsan Akhgari 2012-11-06 09:38:32 -05:00
parent 2b2e7edf42
commit e485f90bb4
1 changed files with 2 additions and 0 deletions
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mfbt/Attributes.h
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@ -93,6 +93,8 @@
# endif
# if __GNUC_MINOR__ >= 4
# define MOZ_HAVE_CXX11_DELETE
# endif
# if __GNUC_MINOR__ >= 5
# define MOZ_HAVE_CXX11_ENUM_TYPE
# define MOZ_HAVE_CXX11_STRONG_ENUMS
# endif