On 3/29/24 00:18, Samuel Holland wrote: > +# > +# CFLAGS for compiling floating point code inside the kernel. > +# > +CC_FLAGS_FPU := -msse -msse2 > +ifdef CONFIG_CC_IS_GCC > +# Stack alignment mismatch, proceed with caution. > +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 > +# (8B stack alignment). > +# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383 > +# > +# The "-msse" in the first argument is there so that the > +# -mpreferred-stack-boundary=3 build error: > +# > +# -mpreferred-stack-boundary=3 is not between 4 and 12 > +# > +# can be triggered. Otherwise gcc doesn't complain. > +CC_FLAGS_FPU += -mhard-float > +CC_FLAGS_FPU += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4) > +endif I was expecting to see this (now duplicate) hunk come _out_ of lib/Makefile somewhere in the series. Did I miss that, or is there something keeping the duplicate there?
