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- GCC_NO_COMMON_BLOCKS Xcode 6.3 recommends this compiler flag so that it can issue duplicate symbol warnings for uninitialized global variables declared without `static` (as it does already with initialized global variables and functions).
aegolden
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Apr 20, 2015
Upgrade project settings to Xcode 6.3
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GCC_NO_COMMON_BLOCKS
Xcode 6.3 recommends this compiler flag so that it can issue duplicate symbol
warnings for uninitialized global variables declared without
static(as itdoes already with initialized global variables and functions).