Evaluate LDFLAGS_BUILD_ID (which involves invoking the compiler) only
once instead of over and over.
This provides a 20% reduction in null build time with x86 allnoconfig on
my machine:
$ make -j8 && perf stat -r5 make -j8
Before: 1,086617617 seconds time elapsed ( +- 0,37% )
After:
Evaluate LDFLAGS_BUILD_ID (which involves invoking the compiler) only
once instead of over and over.
This provides a 20% reduction in null build time with x86 allnoconfig on
my machine:
$ make -j8 && perf stat -r5 make -j8
Before: 1,086617617 seconds time elapsed ( +- 0,37% )
After:
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