--- libvpx-1.4.0.ebuild	2015-05-25 07:31:12.000000000 +0300
+++ libvpx-1.4.0-r1.ebuild	2015-05-27 16:10:19.030272321 +0300
@@ -27,7 +27,7 @@
 
 LICENSE="BSD"
 SLOT="0/2"
-IUSE="altivec cpu_flags_x86_avx cpu_flags_x86_avx2 doc cpu_flags_x86_mmx postproc cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 static-libs test +threads"
+IUSE="altivec cpu_flags_x86_avx cpu_flags_x86_avx2 doc cpu_flags_x86_mmx postproc cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 neon static-libs test +threads"
 
 RDEPEND="abi_x86_32? ( !app-emulation/emul-linux-x86-medialibs[-abi_x86_32(-)] )"
 DEPEND="abi_x86_32? ( dev-lang/yasm )
@@ -88,11 +88,13 @@
 		--enable-pic \
 		--enable-vp8 \
 		--enable-shared \
-		--extra-cflags="${CFLAGS}" \
+		--disable-optimizations \
 		$(use_enable altivec) \
 		$(use_enable cpu_flags_x86_avx avx) \
 		$(use_enable cpu_flags_x86_avx2 avx2) \
 		$(use_enable cpu_flags_x86_mmx mmx) \
+		$(use_enable neon) \
+		$(use_enable neon neon_asm) \
 		$(use_enable postproc) \
 		$(use cpu_flags_x86_sse2 && use_enable cpu_flags_x86_sse sse || echo --disable-sse) \
 		$(use_enable cpu_flags_x86_sse2 sse2) \