--disable-debug - Compile without debug support (default: on)
--disable-mmx - Compile without MMX support (default: on)
--disable-sse - Compile without SSE support (default: on)
+ --disable-sse2 - Compile without SSE2 support (default: on)
--arch='arch' - Compile for a specific architecture (default: none)
--cpu='cpu' - Compile for a specific CPU (default: none)
[ "$sse" = "true" ] &&
echo "SSE_FLAGS=-DUSE_SSE"
+ [ "$sse2" = "true" ] &&
+ echo "SSE2_FLAGS=-DUSE_SSE2"
+
[ "$debug" = "true" ] &&
echo "DEBUG_FLAGS=-g"
[ "$cpu" != "" ] && echo "TARGETCPU=-mcpu=$cpu"
echo "OPTIMISATIONS=-O2 -pipe -fomit-frame-pointer"
- echo "CFLAGS+=-Wall -fPIC -DPIC \$(TARGETARCH) \$(TARGETCPU) \$(OPTIMISATIONS) \$(MMX_FLAGS) \$(SSE_FLAGS) \$(DEBUG_FLAGS) \$(LARGE_FILE)"
+ echo "CFLAGS+=-Wall -fPIC -DPIC \$(TARGETARCH) \$(TARGETCPU) \$(OPTIMISATIONS) \$(MMX_FLAGS) \$(SSE_FLAGS) \$(SSE2_FLAGS) \$(DEBUG_FLAGS) \$(LARGE_FILE)"
case $targetos in
Darwin)
export debug=true
export mmx=true
export sse=true
+export sse2=true
export gpl=false
export arch=
export cpu=
--disable-debug ) debug=false ;;
--disable-mmx ) mmx=false; sse=false ;;
--disable-sse ) sse=false ;;
+ --disable-sse2 ) sse2=false ;;
--enable-gpl ) gpl=true ;;
--arch=* ) arch="${i#--arch=}" ;;
--cpu=* ) cpu="${i#--cpu=}" ;;
esac
fi
+# Double check SSE2 (Darwin, Linux and FreeBSD supported, may end up disabling SSE2 on other platforms incorrectly)
+if [ "$sse2" = "true" ]
+then
+ case $targetos in
+ Darwin)
+ sysctl -a hw | grep "sse2: 1" > /dev/null || sse2=false
+ ;;
+ Linux)
+ grep sse2 /proc/cpuinfo > /dev/null 2>&1 || sse2=false
+ ;;
+ FreeBSD)
+ [ "$(make -V MACHINE_CPU:Msse2)" ] || sse2=false
+ ;;
+ *)
+ grep sse2 /proc/cpuinfo > /dev/null 2>&1 || sse2=false
+ ;;
+ esac
+fi
+
# Show help if requested
if [ $help = 1 ]
then