[packages,GccCommon,dev] Better Xcode project generation warning when two different map file paths are specified
[packages,ClangCommon|GccCommon,dev] Fixing Xcode optimized only projects not building (lack of a suitable arch). Also fix being able to provide both osx32 and osx64 platforms, even though there are bigger problems associated with not being able to specify different settings for different arches in the Xcode configuration
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