configure: add --disable-sse and add mmx/sse detection for OS X

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@1256 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/configure b/configure
index 2f7be0afcfd17ebb3a08c1ec06811c7e05afac32..dce184f6e2041fd74844f92cf194e656517e7d8d 100755 (executable)
--- a/configure
+++ b/configure
@@ -19,6 +19,7 @@ General build options:
   --enable-gpl            - Enable GPL components
   --disable-debug         - Compile without debug support (default: on)
   --disable-mmx           - Compile without MMX support (default: on)
+  --disable-sse           - Compile without SSE support (default: on)
   --cpu='cpu'             - Compile for a specific CPU/architectre (default: none)
 
 Module disables options:
@@ -49,6 +50,9 @@ build_config()
                [ "$mmx" = "true" ] && 
                echo "MMX_FLAGS=-DUSE_MMX"
 
+               [ "$sse" = "true" ] && 
+               echo "SSE_FLAGS=-DUSE_SSE"
+
                [ "$debug" = "true" ] && 
                echo "DEBUG_FLAGS=-g"
 
@@ -59,7 +63,7 @@ build_config()
                echo "TARGETCPU=-mcpu=$cpu"
                echo "OPTIMISATIONS=-O3 -pipe -fomit-frame-pointer"
 
-               echo "CFLAGS+=-Wall -fPIC -DPIC \$(TARGETARCH) \$(TARGETCPU) \$(OPTIMISATIONS) \$(MMX_FLAGS) \$(DEBUG_FLAGS) \$(LARGE_FILE)"
+               echo "CFLAGS+=-Wall -fPIC -DPIC \$(TARGETARCH) \$(TARGETCPU) \$(OPTIMISATIONS) \$(MMX_FLAGS) \$(SSE_FLAGS) \$(DEBUG_FLAGS) \$(LARGE_FILE)"
 
                case $targetos in
                Darwin)
@@ -126,8 +130,10 @@ export libdir=""
 export help=0
 export debug=true
 export mmx=true
+export sse=true
 export gpl=false
 export cpu=
+export targetos=
 
 # Determine OS
 targetos=$(uname -s)
@@ -135,7 +141,6 @@ targetos=$(uname -s)
 case $targetos in
        Darwin)
        LIBSUF=".dylib"
-       mmx=false
        ;;
        Linux|FreeBSD)
        LIBSUF=".so"
@@ -155,6 +160,7 @@ do
                --libdir=* )            libdir="${i#--libdir=}" ;;
                --disable-debug )       debug=false ;;
                --disable-mmx )         mmx=false ;;
+               --disable-sse )         sse=false ;;
                --enable-gpl )          gpl=true ;;
                --cpu=* )                       cpu="${i#--cpu=}" ;;
        esac
@@ -167,6 +173,9 @@ done
 if [ "$mmx" = "true" ]
 then
        case $targetos in
+               Darwin)
+               sysctl -a hw | grep mmx: > /dev/null | mmx=false
+               ;;
                Linux)
                grep mmx /proc/cpuinfo > /dev/null 2>&1 || mmx=false
                ;;
@@ -179,6 +188,25 @@ then
        esac
 fi
 
+# Double check SSE (Linux and FreeBSD supported, may end up disabling SSE on other platforms incorrectly)
+if [ "$sse" = "true" ]
+then
+       case $targetos in
+               Darwin)
+               sysctl -a hw | grep sse: > /dev/null | sse=false
+               ;;
+               Linux)
+               grep sse /proc/cpuinfo > /dev/null 2>&1 || sse=false
+               ;;
+               FreeBSD)
+               [ "$(make -V MACHINE_CPU:Msse)" ] || sse=false
+               ;;
+               *)
+               grep sse /proc/cpuinfo > /dev/null 2>&1 || sse=false
+               ;;
+       esac
+fi
+
 # Show help if requested
 if [ $help = 1 ]
 then