pcsx2: disable advance SIMD instructions

By setting `-DDISABLE_ADVANCE_SIMD=TRUE` pcsx2 will be compiled with predefined
SIMD flags instead of `-march=native`. This makes the resulting binary more
portable. Further this seems to be needed to make pcsx2 compile with gcc5.

pkgs/misc/emulators/pcsx2/default.nix

@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
       -DCMAKE_BUILD_PO=TRUE \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_INSTALL_PREFIX="$out" \
+      -DDISABLE_ADVANCE_SIMD=TRUE \
       -DDISABLE_PCSX2_WRAPPER=TRUE \
       -DDOC_DIR="$out/share/doc/pcsx2" \
       -DGAMEINDEX_DIR="$out/share/pcsx2" \