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diff --git a/profiles/arch/x86_64/make.defaults b/profiles/arch/x86_64/make.defaults
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-CHOST="x86_64-foxkit-linux-musl"
-
-# We definitely use 64-bit ABI.
-ABI_X86="64"
-IUSE_IMPLICIT="abi_x86_64 amd64-linux"
-
-ARCH="x86_64"
-ACCEPT_KEYWORDS="${ARCH} amd64" # HACK for using Gentoo ebuilds
-
-# -O2 -> Perform second-level optimisations.
-# Not -Os because most/all x86_64 aren't starved for space.
-# -ggdb -> Generate GDB debugging information.
-# This is used with splitdebug to make -dbg split packages.
-# -march=nocona -> Require a "Nocona" Pentium 4 or newer.
-# At some point, pending user demand, this may change to core2.
-# !!!NOTE!!! If that happens, Nocona P4 will no longer work!
-# -mtune=core2 -> Tune for Core 2 processors.
-# Most tuning for Core 2 is applicable to * Bridge and *well,
-# and makes code more performant on the much larger base of
-# those machines.
-# -fno-omit-... -> Never omit the frame pointer.
-# This is crucial for proper debugging.
-# -mfpmath=sse -> Use SSE for all floating point math.
-# Since SSE is always available, this knob ensures that GCC
-# will take advantage of it over preferring 387 math, which
-# can drag down performance on modern x86_64.
-CFLAGS="-O2 -ggdb -march=nocona -mtune=core2 -fno-omit-frame-pointer -mfpmath=sse"
-CXXFLAGS="${CFLAGS}"
-
-ELIBC="musl"
-
-USE="amd64 amd64-linux pam threads"
-
-INPUT_DEVICES="${INPUT_DEVICES} vmmouse"
-VIDEO_CARDS="${VIDEO_CARDS} amdgpu apm ast i128 i740 intel neomagic openchrome qxl radeonsi rendition siliconmotion tga tseng vesa via vmware"