]> git.sesse.net Git - x264/blobdiff - configure
configure test for endianness
[x264] / configure
index 954a81c06fa2f48b9251731f993570175af13457..6f82da2f4229dfc7be4d7f160b82dd65220ca311 100755 (executable)
--- a/configure
+++ b/configure
@@ -9,32 +9,39 @@ echo ""
 echo "  --help                   print this message"
 echo "  --enable-avis-input      enables avisynth input (win32 only)"
 echo "  --enable-mp4-output      enables mp4 output (using gpac)"
-echo "  --enable-vfw             compiles the VfW frontend"
+echo "  --enable-gtk             build GTK+ interface"
 echo "  --enable-pthread         enables multithreaded encoding"
 echo "  --enable-debug           adds -g, doesn't strip"
 echo "  --enable-gprof           adds -pg, doesn't strip"
 echo "  --enable-visualize       enables visualization (X11 only)"
 echo "  --enable-pic             build position-independent code"
+echo "  --enable-shared          build libx264.so"
 echo "  --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS"
 echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS"
 echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS"
+echo "  --host=HOST              build programs to run on HOST"
 echo ""
 exit 1
 fi
 
 cc_check() {
-    rm -f conftest*
     cat > conftest.c << EOF
 #include <$1>
 int main () { $3 return 0; }
 EOF
-    $CC $CFLAGS $LDFLAGS $2 conftest.c -o conftest 2>$DEVNULL
+    $CC conftest.c $CFLAGS $LDFLAGS $2 -o conftest 2>$DEVNULL
     TMP="$?"
-    rm -f conftest.c conftest*
     return $TMP
 }
 
-rm -f config.h config.mak x264.pc
+as_check() {
+    echo "$1" > conftest.asm
+    $AS conftest.asm $ASFLAGS $2 -o conftest.o 2>$DEVNULL
+    TMP="$?"
+    return $TMP
+}
+
+rm -f config.h config.mak x264.pc conftest*
 
 prefix='/usr/local'
 exec_prefix='${prefix}'
@@ -49,124 +56,233 @@ pthread="auto"
 debug="no"
 gprof="no"
 pic="no"
-vfw="no"
+gtk="no"
 vis="no"
+shared="no"
 
-CC="gcc"
-CFLAGS="-Wall -I. -O4 -ffast-math -D__X264__"
-LDFLAGS=""
+CC="${CC-gcc}"
+CFLAGS="$CFLAGS -Wall -I."
+LDFLAGS="$LDFLAGS"
 HAVE_GETOPT_LONG=1
 
-AS="nasm"
+AS="yasm"
 ASFLAGS=""
 
 EXE=""
 
-UNAMES="`uname -s`"
-case "$UNAMES" in
-  BeOS)
+# check whether 'echo -n' works as expected, otherwise try printf
+if [ "x`echo -n houba`" = xhouba ]
+then
+  ECHON="echo -n"
+elif [ "x`printf houba`" = xhouba ]
+then
+  ECHON="printf"
+else
+  echo "Neither 'echo -n' nor 'printf' are working with your shell!"
+  exit 1
+fi
+
+# parse options
+
+for opt do
+    optarg="${opt#*=}"
+    case "$opt" in
+        --prefix=*)
+            prefix="$optarg"
+            ;;
+        --exec-prefix=*)
+            exec_prefix="$optarg"
+            ;;
+        --bindir=*)
+            bindir="$optarg"
+            ;;
+        --libdir=*)
+            libdir="$optarg"
+            ;;
+        --includedir=*)
+            includedir="$optarg"
+            ;;
+        --enable-avis-input)
+            avis_input="yes"
+            ;;
+        --disable-avis-input)
+            avis_input="no"
+            ;;
+        --enable-mp4-output)
+            mp4_output="yes"
+            ;;
+        --disable-mp4-output)
+            mp4_output="no"
+            ;;
+        --extra-asflags=*)
+            ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
+            ;;
+        --extra-cflags=*)
+            CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
+            ;;
+        --extra-ldflags=*)
+            LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
+            ;;
+        --enable-pthread)
+            pthread="auto" # can't skip detection, since it differs by OS
+            ;;
+        --disable-pthread)
+            pthread="no"
+            ;;
+        --enable-debug)
+            debug="yes"
+            ;;
+        --enable-gprof)
+            CFLAGS="$CFLAGS -pg"
+            LDFLAGS="$LDFLAGS -pg"
+            gprof="yes"
+            ;;
+        --enable-pic)
+            pic="yes"
+            ;;
+        --enable-gtk)
+            gtk="yes"
+            ;;
+        --disable-gtk)
+            gtk="no"
+            ;;
+        --enable-shared)
+            shared="yes"
+            ;;
+        --enable-visualize)
+            LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
+            CFLAGS="$CFLAGS -DVISUALIZE=1"
+            vis="yes"
+            ;;
+        --host=*)
+            host="${opt#--host=}"
+            ;;
+        *)
+            echo "Unknown option $opt, ignored"
+            ;;
+    esac
+done
+
+if [ "x$host" = x ]; then
+    host=`./config.guess`
+fi
+# normalize a triplet into a quadruplet
+host=`./config.sub $host`
+
+# split $host
+host_cpu="${host%%-*}"
+host="${host#*-}"
+host_vendor="${host%%-*}"
+host_os="${host#*-}"
+
+case $host_os in
+  beos*)
     SYS="BEOS"
     CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
     ;;
-  Darwin)
+  darwin*)
     SYS="MACOSX"
     CFLAGS="$CFLAGS -falign-loops=16"
     LDFLAGS="$LDFLAGS -lm -lmx"
     ;;
-  FreeBSD)
+  freebsd*)
+    SYS="FREEBSD"
+    LDFLAGS="$LDFLAGS -lm"
+    ;;
+  kfreebsd*-gnu)
     SYS="FREEBSD"
+    CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
     LDFLAGS="$LDFLAGS -lm"
     ;;
-  NetBSD)
+  netbsd*)
     SYS="NETBSD"
     LDFLAGS="$LDFLAGS -lm"
     ;;
-  Linux)
+  openbsd*)
+    SYS="OPENBSD"
+    CFLAGS="$CFLAGS -I/usr/X11R6/include"
+    LDFLAGS="$LDFLAGS -lm"
+    ;;
+  linux*)
     SYS="LINUX"
     CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
     LDFLAGS="$LDFLAGS -lm"
     ;;
-  CYGWIN*)
+  cygwin*)
     SYS="CYGWIN"
     CFLAGS="$CFLAGS -mno-cygwin"
     LDFLAGS="$LDFLAGS -mno-cygwin"
     EXE=".exe"
     DEVNULL="NUL"
-    vfw="yes"
     ;;
-  MINGW*)
+  mingw*)
     SYS="MINGW"
     EXE=".exe"
     DEVNULL="NUL"
-    vfw="yes"
     ;;
-  SunOS)
+  sunos*|solaris*)
     SYS="SunOS"
     CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
     LDFLAGS="$LDFLAGS -lm"
     HAVE_GETOPT_LONG=0
     ;;
   *)
-    echo "Unknown system $UNAMES, edit the configure"
+    echo "Unknown system $host, edit the configure"
     exit 1
     ;;
 esac
 
-UNAMEM="`uname -m`"
-case "$UNAMEM" in
-  i386|i486|i586|i686|BePC)
+case $host_cpu in
+  i*86)
     ARCH="X86"
-    CFLAGS="$CFLAGS -DHAVE_MMXEXT -DHAVE_SSE2"
-    AS="nasm"
+    AS="yasm"
     ASFLAGS="-O2"
     if [ "$SYS" = MACOSX ]; then
       ASFLAGS="$ASFLAGS -f macho -DPREFIX"
     elif [ "$SYS" = CYGWIN -o "$SYS" = MINGW ]; then
       ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
-    elif [ "$SYS" = FREEBSD -o "$SYS" = NETBSD ]; then
+    elif [ "$SYS" = NETBSD ]; then
       ASFLAGS="$ASFLAGS -f aoutb"
     else
       ASFLAGS="$ASFLAGS -f elf"
     fi
+    as_check || AS="nasm"
     ;;
   x86_64)
     ARCH="X86_64"
-    CFLAGS="$CFLAGS -DHAVE_MMXEXT -DHAVE_SSE2"
     AS="yasm"
-    ASFLAGS="-f elf -m amd64"
+    if [ "$SYS" = MACOSX ];then
+      ASFLAGS="-f macho64 -m amd64 -D__PIC__ -DPREFIX"
+      CFLAGS="$CFLAGS -arch x86_64"
+      LDFLAGS="$LDFLAGS -arch x86_64"
+    else
+      ASFLAGS="-f elf -m amd64"
+    fi
     ;;
-  "Power Macintosh"|ppc)
+  powerpc|powerpc64)
     ARCH="PPC"
     if [ $SYS = MACOSX ]
     then
-      CFLAGS="$CFLAGS -faltivec"
+      ALTIVECFLAGS="$ALTIVECFLAGS -faltivec -fastf -mcpu=G4"
     else
-      CFLAGS="$CFLAGS -maltivec -mabi=altivec"
+      ALTIVECFLAGS="$ALTIVECFLAGS -maltivec -mabi=altivec"
     fi
     ;;
-  sun4m|sun4d|sparc|sparc64)
-    ARCH="Sparc"
-    ;;
-  sun4u)
-    ARCH="UltraSparc"
-    CFLAGS="$CFLAGS -mcpu=ultrasparc"
-    LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
-    AS="as"
-    ASFLAGS="-xarch=v8plusa"
-    ;;
-  ia64)
-    ARCH="IA64"
-    ;;
-  alpha)
-    ARCH="ALPHA"
+  sparc)
+    if test "$(uname -m)" = "sun4u"; then
+      ARCH="UltraSparc"
+      CFLAGS="$CFLAGS -mcpu=ultrasparc"
+      LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
+      AS="as"
+      ASFLAGS="-xarch=v8plusa"
+    else
+      ARCH="Sparc"
+    fi
     ;;
-  mips|mipsel)
+  mips|mipsel|mips64|mips64el)
     ARCH="MIPS"
     ;;
-  m68k)
-    ARCH="M68K"
-    ;;
-  arm|armv5tel)
+  arm*)
     ARCH="ARM"
     ;;
   s390|s390x)
@@ -176,114 +292,79 @@ case "$UNAMEM" in
     ARCH="PARISC"
     ;;
   *)
-    echo "Unknown platform $UNAMEM, edit the configure"
-    exit 1
+    ARCH="$(echo $host_cpu | tr a-z A-Z)"
     ;;
 esac
 
-CFLAGS="$CFLAGS -DARCH_$ARCH -DSYS_$SYS"
+# check requirements
 
-# parse options
+if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" \) ] ; then
+    pic="yes"
+fi
 
-for opt do
-    optarg="${opt#*=}"
-    case "$opt" in
-        --prefix=*)
-            prefix="$optarg"
-            ;;
-        --exec-prefix=*)
-            exec_prefix="$optarg"
-            ;;
-        --bindir=*)
-            bindir="$optarg"
-            ;;
-        --libdir=*)
-            libdir="$optarg"
-            ;;
-        --includedir=*)
-            includedir="$optarg"
-            ;;
-        --enable-avis-input)
-            avis_input="yes"
-            ;;
-        --disable-avis-input)
-            avis_input="no"
-            ;;
-        --enable-mp4-output)
-            mp4_output="yes"
-            ;;
-        --disable-mp4-output)
-            mp4_output="no"
-            ;;
-        --extra-asflags=*)
-            ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
-            ;;
-        --extra-cflags=*)
-            CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
-            VFW_CFLAGS="${opt#--extra-cflags=}"
-            ;;
-        --extra-ldflags=*)
-            LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
-            VFW_LDFLAGS="${opt#--extra-ldflags=}"
-            ;;
-        --enable-pthread)
-            pthread="yes"
-            ;;
-        --disable-pthread)
-            pthread="no"
-            ;;
-        --enable-debug)
-            CFLAGS="$CFLAGS -g"
-            debug="yes"
-            ;;
-        --enable-gprof)
-            CFLAGS="$CFLAGS -pg"
-            LDFLAGS="$LDFLAGS -pg"
-            gprof="yes"
-            ;;
-        --enable-pic)
-            CFLAGS="$CFLAGS -fPIC"
-            ASFLAGS="$ASFLAGS -D__PIC__"
-            pic="yes"
-            ;;
-        --enable-vfw)
-            vfw="yes"
-            ;;
-        --disable-vfw)
-            vfw="no"
-            ;;
-        --enable-visualize)
-            LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
-            CFLAGS="$CFLAGS -DVISUALIZE=1"
-            vis="yes"
-            ;;
-        *)
-            echo "Unknown option $opt, ignored"
-            ;;
-    esac
-done
+if [ $SYS = MACOSX -a $ARCH = X86 ]
+then
+  # we want Apple's nasm from Xcode 2.4.1 or later
+  NASM_BUILD_REQUIRED=11
+  NASM_BUILD=`nasm -v|grep "Apple Computer"|sed 's/.*build \([0-9]*\).*/\1/'`
+  if [ $NASM_BUILD -lt $NASM_BUILD_REQUIRED ]
+  then
+    echo "Your version of 'nasm' is too old."
+    echo "Please install Xcode 2.4.1 or later."
+    AS=""
+  fi
+fi
+
+if [ $ARCH = X86 -o $ARCH = X86_64 ] ; then
+    if as_check ; then
+        CFLAGS="$CFLAGS -DHAVE_MMX"
+        if as_check "pabsw xmm0, xmm0" ; then
+            ASFLAGS="$ASFLAGS -DHAVE_SSE3"
+            CFLAGS="$CFLAGS -DHAVE_SSE3"
+        fi
+    else
+        echo "No suitable assembler found.  x264 will be several times slower."
+        echo "Please install 'yasm' to get MMX/SSE optimized code."
+        AS=""
+    fi
+fi
+
+CFLAGS="$CFLAGS -DARCH_$ARCH -DSYS_$SYS"
+
+echo "unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';" > conftest.c
+$CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
+grep -q BIGE conftest.o && CFLAGS="$CFLAGS -DWORDS_BIGENDIAN"
 
 # autodetect options that weren't forced nor disabled
 
+libpthread=""
 if test "$pthread" = "auto" ; then
+    pthread="no"
     case $SYS in
-        MINGW|CYGWIN|BEOS)
+        BEOS)
             pthread="yes"
             ;;
+        MINGW|CYGWIN)
+            if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
+                pthread="yes"
+                libpthread="-lpthread"
+            elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
+                pthread="yes"
+                libpthread="-lpthreadGC2"
+            elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
+                pthread="yes"
+                libpthread="-lpthreadGC2 -lwsock32"
+                CFLAGS="$CFLAGS -DPTW32_STATIC_LIB"
+            fi
+            ;;
         *)
-            pthread="no"
-            cc_check pthread.h -lpthread && pthread="yes"
+            cc_check pthread.h -lpthread && pthread="yes" && libpthread="-lpthread"
             ;;
     esac
 fi
 if test "$pthread" = "yes" ; then
-    CFLAGS="$CFLAGS -DHAVE_PTHREAD=1"
-    case $SYS in
-        MINGW|CYGWIN|BEOS)
-            ;;
-        *) LDFLAGS="$LDFLAGS -lpthread"
-            ;;
-    esac
+    CFLAGS="$CFLAGS -DHAVE_PTHREAD"
+    LDFLAGS="$LDFLAGS $libpthread"
 fi
 
 MP4_LDFLAGS="-lgpac_static"
@@ -311,10 +392,22 @@ if [ "$avis_input" = "yes" ] ; then
     LDFLAGS="$LDFLAGS -lvfw32"
 fi
 
+if [ "$pic" = "yes" ] ; then
+    CFLAGS="$CFLAGS -fPIC"
+    ASFLAGS="$ASFLAGS -D__PIC__"
+    # resolve textrels in the x86 asm
+    cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
+fi
+
 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
     CFLAGS="$CFLAGS -s -fomit-frame-pointer"
     LDFLAGS="$LDFLAGS -s"
-    VFW_LDFLAGS="$VFW_LDFLAGS -s"
+fi
+
+if [ "$debug" = "yes" ]; then
+    CFLAGS="-O1 -g $CFLAGS"
+else
+    CFLAGS="-O4 -ffast-math $CFLAGS"
 fi
 
 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
@@ -325,6 +418,8 @@ elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
     echo "#define ftell ftello64" >> config.h
 fi
 
+rm -f conftest*
+
 # generate config files
 
 cat > config.mak << EOF
@@ -337,28 +432,44 @@ ARCH=$ARCH
 SYS=$SYS
 CC=$CC
 CFLAGS=$CFLAGS
+ALTIVECFLAGS=$ALTIVECFLAGS
 LDFLAGS=$LDFLAGS
 AS=$AS
 ASFLAGS=$ASFLAGS
-VFW=$vfw
+GTK=$gtk
 EXE=$EXE
 VIS=$vis
 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
 DEVNULL=$DEVNULL
-CONFIGURE_ARGS=$@
+ECHON=$ECHON
 EOF
 
-if [ "$vfw" = "yes" ]; then
-    rm -f vfw/build/cygwin/config.mak
-    cat > vfw/build/cygwin/config.mak << EOF
-CFLAGS=$VFW_CFLAGS
-LDFLAGS=$VFW_LDFLAGS
-EOF
-    echo "default: x264vfw.dll" >> config.mak
+$ECHON 'CONFIGURE_ARGS=' >> config.mak
+for A in "$@" ; do
+    $ECHON " '$A'" >> config.mak
+done
+echo '' >> config.mak
+
+cp config.mak gtk/config.mak
+
+if [ "$shared" = "yes" ]; then
+    API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
+    echo "SONAME=libx264.so.$API" >> config.mak
+    echo 'default: $(SONAME)' >> config.mak
+    if [ "$gtk" = "yes" ]; then
+        echo "SONAMEGTK=libx264gtk.so.$API" >> gtk/config.mak
+    fi
+fi
+
+if [ "$gtk" = "yes" ]; then
+    echo 'default: libx264gtk.a' >> config.mak
+    echo 'install: install-gtk' >> config.mak
 fi
 
 ./version.sh
 
+pclibs="-L$libdir -lx264 $libpthread"
+
 cat > x264.pc << EOF
 prefix=$prefix
 exec_prefix=$exec_prefix
@@ -368,7 +479,7 @@ includedir=$includedir
 Name: x264
 Description: H.264 (MPEG4 AVC) encoder library
 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
-Libs: -L$libdir -lx264
+Libs: $pclibs
 Cflags: -I$includedir
 EOF
 
@@ -378,10 +489,11 @@ echo "System:     $SYS"
 echo "avis input: $avis_input"
 echo "mp4 output: $mp4_output"
 echo "pthread:    $pthread"
-echo "vfw:        $vfw"
+echo "gtk:        $gtk"
 echo "debug:      $debug"
 echo "gprof:      $gprof"
 echo "PIC:        $pic"
+echo "shared:     $shared"
 echo "visualize:  $vis"
 echo
 echo "You can run 'make' or 'make fprofiled' now."