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Building node with GCC > 4.4 on CentOS makes the node binary depend on a more recent version of the C/C++ runtime that is not installed by default on these older CentOS platforms, and probably on other platforms as well. Building node with the default gcc and g++ compilers that come with these older versions of CentOS allows to ship a node binary that runs out of the box on these setups with older C/C++ runtimes. This change works around a bug that was fixed in GCC 4.5. Versions of GCC < 4.5 would not support using the injected-class-name of a template base class as a type name. This change also disables aliasing optimizations for toolchains using GCC <= 4.4 as they're not able to deal with the aliasing in the queue implementation used by libuv and node (see src/queue.h). Fixes #9079. PR: #9098 PR-URL: https://github.com/joyent/node/pull/9098 Reviewed-By: Timothy J Fontaine <tjfontaine@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>