X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=configure;h=5c09691c45eddcc82aa372dc2e660197f803fc26;hb=bebfc16a31c34de59e97ebc5bd58c7c31c4b191c;hp=8c241cfcf183651e35825203702be0aff4d88ffc;hpb=6fce759141bca41a4074d34659e370d874c3124e;p=ffmpeg

diff --git a/configure b/configure
index 8c241cfcf18..5c09691c45e 100755
--- a/configure
+++ b/configure
@@ -56,11 +56,12 @@ show_help(){
   echo
   echo "Standard options:"
   echo "  --help                   print this message"
-  echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
-  echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
+  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
+  echo "  --disable-logging        do not log configure debug information"
+  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
-  echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
+  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
   echo "  --enable-static          build static libraries [default=yes]"
   echo "  --disable-static         do not build static libraries [default=no]"
@@ -81,7 +82,7 @@ show_help(){
   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
   echo
   echo "External library support:"
-  echo "  --enable-sunmlib         use Sun medialib [default=no]"
+  echo "  --enable-mlib            use Sun medialib [default=no]"
   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
@@ -106,10 +107,9 @@ show_help(){
   echo "Advanced options (experts only):"
   echo "  --source-path=PATH       path to source code [$source_path]"
   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
-  echo "  --cross-compile          assume a cross-compiler is used"
-  echo "  --target-os=OS           compiler targets OS [$targetos]"
+  echo "  --enable-cross-compile   assume a cross-compiler is used"
+  echo "  --target-os=OS           compiler targets OS [$target_os]"
   echo "  --cc=CC                  use C compiler CC [$cc]"
-  echo "  --make=MAKE              use specified make [$make]"
   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
@@ -120,6 +120,8 @@ show_help(){
   echo "  --enable-powerpc-perf    enable performance report on PPC"
   echo "                           (requires enabling PMC)"
   echo "  --disable-mmx            disable MMX usage"
+  echo "  --disable-mmx2           disable MMX2 usage"
+  echo "  --disable-ssse3          disable SSSE3 usage"
   echo "  --disable-armv5te        disable armv5te usage"
   echo "  --disable-armv6          disable armv6 usage"
   echo "  --disable-iwmmxt         disable iwmmxt usage"
@@ -174,7 +176,7 @@ show_help(){
   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
   echo "  --disable-optimizations  disable compiler optimizations"
   echo "  --enable-extra-warnings  enable more compiler warnings"
-  echo "  --disable-strip          disable stripping of executables and shared libraries"
+  echo "  --disable-stripping      disable stripping of executables and shared libraries"
   echo ""
   echo "NOTE: Object files are built at the place where configure is launched."
   exit 1
@@ -202,18 +204,18 @@ If you think configure made a mistake, make sure you are using the latest
 version from SVN.  If the latest version fails, report the problem to the
 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 EOF
-    if enabled logging; then
+    if disabled logging; then
         cat <<EOF
-Include the log file "$logfile" produced by configure as this will help
-solving the problem.
+Rerun configure with logging enabled (do not use --disable-logging), and
+include the log this produces with your report.
 EOF
     else
 cat <<EOF
-Rerun configure with logging enabled (do not use --log=no), and include the
-log this produces with your report.
+Include the log file "$logfile" produced by configure as this will help
+solving the problem.
 EOF
     fi
-    rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
+    rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
     exit 1
 }
 
@@ -424,9 +426,7 @@ check_asm(){
     asm="$2"
     shift 2
     check_cc "$@" <<EOF && enable $name || disable $name
-int foo(void){
-    asm volatile($asm);
-}
+int foo(void){ asm volatile($asm); }
 EOF
 }
 
@@ -451,9 +451,7 @@ EOF
 check_ldflags(){
     log check_ldflags "$@"
     check_ld "$@" <<EOF && add_ldflags "$@"
-int main(void){
-    return 0;
-}
+int main(void){ return 0; }
 EOF
 }
 
@@ -476,9 +474,7 @@ check_func(){
     disable $func
     check_ld "$@" <<EOF && enable $func
 extern int $func();
-int main(void){
-    $func();
-}
+int main(void){ $func(); }
 EOF
 }
 
@@ -655,6 +651,7 @@ CONFIG_LIST="
     libx264
     libxvid
     memalign_hack
+    mlib
     mpegaudio_hp
     network
     nonfree
@@ -699,6 +696,7 @@ ARCH_EXT_LIST='
     iwmmxt
     mmi
     mmx
+    mmx2
     ssse3
     vis
 '
@@ -744,7 +742,7 @@ HAVE_LIST="
     malloc_h
     memalign
     mkstemp
-    mlib
+    pld
     ppc64
     round
     roundf
@@ -753,6 +751,7 @@ HAVE_LIST="
     socklen_t
     soundcard_h
     poll_h
+    sys_mman_h
     sys_select_h
     sys_soundcard_h
     termios_h
@@ -764,12 +763,30 @@ CMDLINE_SELECT="
     $ARCH_EXT_LIST
     $CONFIG_LIST
     $THREADS_LIST
+    cross_compile
     debug
     extra_warnings
+    logging
     optimizations
     shared
     static
+    stripping
 "
+CMDLINE_SET='
+    arch
+    build_suffix
+    cc
+    cpu
+    cross_prefix
+    incdir
+    libdir
+    logfile
+    mandir
+    prefix
+    shlibdir
+    source_path
+    target_os
+'
 
 # code dependency declarations
 
@@ -780,6 +797,7 @@ armv6_deps="armv4l"
 iwmmxt_deps="armv4l"
 mmi_deps="mips"
 mmx_deps="x86"
+mmx2_deps="x86 mmx"
 ssse3_deps="x86"
 vis_deps="sparc"
 
@@ -834,8 +852,8 @@ redir_demuxer_deps="network"
 rtp_muxer_deps="network rtp_protocol"
 rtsp_demuxer_deps="sdp_demuxer"
 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
-v4l2_demuxer_deps="linux_videodev2_h"
 v4l_demuxer_deps="linux_videodev_h"
+v4l2_demuxer_deps="linux_videodev2_h"
 vfwcap_demuxer_deps="capCreateCaptureWindow"
 vfwcap_demuxer_extralibs="-lvfw32"
 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
@@ -857,28 +875,12 @@ ffserver_extralibs='$ldl'
 vhook_extralibs='$ldl'
 
 
-# set temporary file name
-if test ! -z "$TMPDIR" ; then
-    TMPDIR1="${TMPDIR}"
-elif test ! -z "$TEMPDIR" ; then
-    TMPDIR1="${TEMPDIR}"
-else
-    TMPDIR1="/tmp"
-fi
-
-TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
-TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
-TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
-TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
-TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
-
 # default parameters
 
-enable logging
 logfile="config.err"
 
 # installation paths
-PREFIX="/usr/local"
+prefix="/usr/local"
 libdir='$(PREFIX)/lib'
 shlibdir="$libdir"
 incdir='$(PREFIX)/include'
@@ -888,8 +890,8 @@ bindir='$(PREFIX)/bin'
 # toolchain
 cc="gcc"
 ar="ar"
+nm="nm"
 ranlib="ranlib"
-make="make"
 strip="strip"
 asmalign_pot="unknown"
 ln_s="ln -sf"
@@ -899,27 +901,27 @@ arch=`uname -m`
 cpu="generic"
 
 # OS
-targetos=$(tolower $(uname -s))
+target_os=$(tolower $(uname -s))
 
 # libraries
 enable zlib
 
 # configurable options
 enable debug
-enable dostrip
 enable ffmpeg
 enable ffplay
 enable ffserver
 enable ipv6
-enable static
 enable mpegaudio_hp
 enable network
 enable optimizations
 enable protocols
+enable static
+enable stripping
 vhook="default"
 
 # build settings
-SHFLAGS='-shared -Wl,-soname,$@'
+SHFLAGS='-shared -Wl,-soname,$$(@F)'
 VHOOKSHFLAGS='$(SHFLAGS)'
 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 FFSERVERLDFLAGS=-Wl,-E
@@ -935,8 +937,7 @@ SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 
 # gcc stupidly only outputs the basename of targets with -MM
-DEPEND_CMD='$(CC) -MM $(CFLAGS) $(filter-out %.h,$^) | sed "s,[0-9a-z._-]*: \($(SRC_DIR)/\)*\([a-z0-9]*/\)[^/]* ,\\2&,"'
-VHOOK_DEPEND_CMD='$(CC) -MM $(VHOOKCFLAGS) $(filter-out %.h,$^) | sed "s,^\([a-z]\),vhook/\\1,"'
+DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed "1s,^,$(@D)/,"'
 
 # find source path
 source_path="`dirname \"$0\"`"
@@ -998,48 +999,12 @@ show_list() {
 for opt do
     optval="${opt#*=}"
     case "$opt" in
-    --log)
-    ;;
-    --log=*) logging="$optval"
-    ;;
-    --prefix=*) PREFIX="$optval"
-    ;;
-    --libdir=*) libdir="$optval"
-    ;;
-    --shlibdir=*) shlibdir="$optval"
-    ;;
-    --incdir=*) incdir="$optval"
-    ;;
-    --mandir=*) mandir="$optval"
-    ;;
-    --source-path=*) source_path="$optval"
-    ;;
-    --cross-prefix=*) cross_prefix="$optval"
-    ;;
-    --cross-compile) enable cross_compile
-    ;;
-    --target-os=*) targetos="$optval"
-    ;;
-    --cc=*) cc="$optval"
-    ;;
-    --make=*) make="$optval"
-    ;;
     --extra-cflags=*) add_cflags "$optval"
     ;;
     --extra-ldflags=*) add_ldflags "$optval"
     ;;
     --extra-libs=*) add_extralibs "$optval"
     ;;
-    --build-suffix=*) BUILDSUF="$optval"
-    ;;
-    --arch=*) arch="$optval"
-    ;;
-    --cpu=*) cpu="$optval"
-    ;;
-    --enable-sunmlib) enable mlib
-    ;;
-    --disable-strip) disable dostrip
-    ;;
     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
     ;;
     --enable-debug=*) debuglevel="$optval"
@@ -1070,88 +1035,19 @@ for opt do
     --help|-h) show_help
     ;;
     *)
-    die_unknown $opt
+    optname="${opt%=*}"
+    optname="${optname#--}"
+    optname=$(echo "$optname" | sed 's/-/_/g')
+    is_in $optname $CMDLINE_SET || die_unknown $opt
+    eval $optname='$optval'
     ;;
     esac
 done
 
-case "$arch" in
-    i386|i486|i586|i686|i86pc|BePC)
-        arch="x86_32"
-        enable fast_unaligned
-    ;;
-    x86_64|amd64)
-        arch="x86_32"
-        enable fast_unaligned
-        canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
-        if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
-            if ! echo $CFLAGS | grep -q -- -m32; then
-                arch="x86_64"
-                enable fast_64bit
-            fi
-        fi
-    ;;
-    # armv4l is a subset of armv[567]*l
-    arm|armv[4567]*l)
-        arch="armv4l"
-    ;;
-    alpha)
-        arch="alpha"
-        enable fast_64bit
-    ;;
-    "Power Macintosh"|ppc|powerpc)
-        arch="powerpc"
-    ;;
-    ppc64)
-        arch="powerpc"
-        enable fast_64bit
-    ;;
-    mips|mipsel|IP*)
-        arch="mips"
-    ;;
-    sun4u|sparc64)
-        arch="sparc64"
-        enable fast_64bit
-    ;;
-    sparc)
-        arch="sparc"
-    ;;
-    sh4)
-        arch="sh4"
-    ;;
-    parisc)
-        arch="parisc"
-    ;;
-    parisc64)
-        arch="parisc"
-        enable fast_64bit
-    ;;
-    s390|s390x)
-        arch="s390"
-    ;;
-    m68k)
-        arch="m68k"
-    ;;
-    ia64)
-        arch="ia64"
-        enable fast_64bit
-    ;;
-    bfin)
-        arch="bfin"
-    ;;
-    *)
-        arch="unknown"
-    ;;
-esac
-
-enable $arch
-enabled_any x86_32 x86_64 && enable x86
-enabled     sparc64       && enable sparc
-
 # OS specific
-case $targetos in
+case $target_os in
     beos|haiku|zeta)
-        PREFIX="$HOME/config"
+        prefix="$HOME/config"
         # helps building libavcodec
         add_cflags "-DPIC -fomit-frame-pointer"
         # 3 gcc releases known for BeOS, each with ugly bugs
@@ -1178,7 +1074,7 @@ case $targetos in
         fi ;;
     sunos)
         FFSERVERLDFLAGS=""
-        SHFLAGS='-shared -Wl,-h,$@'
+        SHFLAGS='-shared -Wl,-h,$$(@F)'
         network_extralibs="-lsocket -lnsl"
         ;;
     netbsd)
@@ -1205,7 +1101,7 @@ case $targetos in
     darwin)
         disable need_memalign
         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
-        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
+        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
         strip="strip -x"
         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
         SLIBSUF=".dylib"
@@ -1214,7 +1110,7 @@ case $targetos in
         FFSERVERLDFLAGS=-Wl,-bind_at_load
         ;;
     mingw32*)
-        targetos=mingw32
+        target_os=mingw32
         shlibdir="$bindir"
         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
@@ -1228,13 +1124,13 @@ case $targetos in
         EXESUF=".exe"
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
-        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
+        SLIB_EXTRA_CMD='-lib /machine:i386 /def:$$(@:$(SLIBSUF)=.def)'
+        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
-        SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
+        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         ;;
     cygwin*)
-        targetos=cygwin
+        target_os=cygwin
         shlibdir="$bindir"
         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
@@ -1260,33 +1156,30 @@ case $targetos in
         enable dv1394
         ;;
     irix*)
-        targetos=irix
+        target_os=irix
         ranlib="echo ignoring ranlib"
         ;;
     os/2*)
-        ar="emxomfar -p256"
-        ranlib="echo ignoring ranlib"
         strip="lxlite"
         ln_s="cp -f"
-        add_cflags "-Zomf"
         EXESUF=".exe"
         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
-        SHFLAGS='$(NAME).def -Zdll -Zomf'
+        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
         FFSERVERLDFLAGS=""
-        LIBSUF="_s.lib"
+        LIBSUF="_s.a"
         SLIBPREF=""
         SLIBSUF=".dll"
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
-          echo PROTMODE >> $(NAME).def; \
-          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
-          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
-          echo EXPORTS >> $(NAME).def; \
-          emxexp -o $(OBJS) >> $(NAME).def'
-        SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
-          emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
-        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
+        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
+          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
+          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
+          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
+          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
+          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
+        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
+          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
+        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
         disable vhook
         ;;
@@ -1295,26 +1188,110 @@ case $targetos in
         ;;
 
     *)
-        targetos="${targetos}-UNKNOWN"
+        target_os="${target_os}-UNKNOWN"
         ;;
 esac
 
-add_extralibs $osextralibs
-
-if ! disabled logging ; then
-    enabled logging || logfile="$logging"
-    echo "# $0 $@" >$logfile
-    set >>$logfile
+# set temporary file name
+if test ! -z "$TMPDIR" ; then
+    TMPDIR1="${TMPDIR}"
+elif test ! -z "$TEMPDIR" ; then
+    TMPDIR1="${TEMPDIR}"
 else
-    logfile=/dev/null
+    TMPDIR1="/tmp"
 fi
 
+TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
+TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
+TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
+TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
+TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
+TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
+
+
+add_extralibs $osextralibs
+
+disabled logging && logfile=/dev/null
+
+echo "# $0 $@" >$logfile
+set >>$logfile
+
+case "$arch" in
+    i386|i486|i586|i686|i86pc|BePC)
+        arch="x86_32"
+        enable fast_unaligned
+    ;;
+    x86_64|amd64)
+        arch="x86_32"
+        enable fast_unaligned
+        check_cc <<EOF && enable fast_64bit && arch="x86_64"
+        int test[sizeof(char*) - 7];
+EOF
+    ;;
+    # armv4l is a subset of armv[567]*l
+    arm|armv[4567]*l)
+        arch="armv4l"
+    ;;
+    alpha)
+        arch="alpha"
+        enable fast_64bit
+    ;;
+    "Power Macintosh"|ppc|powerpc)
+        arch="powerpc"
+    ;;
+    ppc64)
+        arch="powerpc"
+        enable fast_64bit
+    ;;
+    mips|mipsel|IP*)
+        arch="mips"
+    ;;
+    sun4u|sparc64)
+        arch="sparc64"
+        enable fast_64bit
+    ;;
+    sparc)
+        arch="sparc"
+    ;;
+    sh4)
+        arch="sh4"
+    ;;
+    parisc)
+        arch="parisc"
+    ;;
+    parisc64)
+        arch="parisc"
+        enable fast_64bit
+    ;;
+    s390|s390x)
+        arch="s390"
+    ;;
+    m68k)
+        arch="m68k"
+    ;;
+    ia64)
+        arch="ia64"
+        enable fast_64bit
+    ;;
+    bfin)
+        arch="bfin"
+    ;;
+    *)
+        arch="unknown"
+    ;;
+esac
+
+enable $arch
+enabled_any x86_32 x86_64 && enable x86
+enabled     sparc64       && enable sparc
+
 # Combine FFLDFLAGS and the LDFLAGS environment variable.
 LDFLAGS="$FFLDFLAGS $LDFLAGS"
 
 test -n "$cross_prefix" && enable cross_compile
 cc="${cross_prefix}${cc}"
 ar="${cross_prefix}${ar}"
+nm="${cross_prefix}${nm}"
 ranlib="${cross_prefix}${ranlib}"
 strip="${cross_prefix}${strip}"
 
@@ -1371,7 +1348,7 @@ check_deps $ARCH_EXT_LIST
 test -z "$need_memalign" && need_memalign="$mmx"
 
 #Darwin CC versions
-if test $targetos = darwin; then
+if test $target_os = darwin; then
     if $cc -v 2>&1 | grep -q xlc; then
         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
     else
@@ -1453,20 +1430,12 @@ if test $cpu != "generic"; then
     esac
 fi
 
-gnu_make(){
-    $1 --version 2>&1 | grep -q GNU
-}
-
-if ! gnu_make $make; then
-    gnu_make gmake && make=gmake || die "GNU make not found."
-fi
-
 # make sure we can execute files in $TMPDIR
-cat >$TMPE 2>>$logfile <<EOF
+cat >$TMPSH 2>>$logfile <<EOF
 #! /bin/sh
 EOF
-chmod +x $TMPE >>$logfile 2>&1
-if ! $TMPE >>$logfile 2>&1; then
+chmod +x $TMPSH >>$logfile 2>&1
+if ! $TMPSH >>$logfile 2>&1; then
     cat <<EOF
 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
 variable to another directory and make sure that $TMPDIR1 is not mounted
@@ -1474,23 +1443,27 @@ noexec.
 EOF
     die "Sanity test failed."
 fi
-rm $TMPE
+rm $TMPSH
 
 # compiler sanity check
 check_exec <<EOF
-int main(void){
-    return 0;
-}
+int main(void){ return 0; }
 EOF
 if test "$?" != 0; then
     echo "$cc is unable to create an executable file."
     if test -z "$cross_prefix" && ! enabled cross_compile ; then
-        echo "If $cc is a cross-compiler, use the --cross-compile option."
+        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
         echo "Only do this if you know what cross compiling means."
     fi
     die "C compiler test failed."
 fi
 
+check_cc <<EOF || die "Symbol mangling check failed."
+int ff_extern;
+EOF
+sym=$($nm -P -g $TMPO)
+extern_prefix=${sym%%ff_extern*}
+
 check_asm inline_asm '""'
 
 if enabled x86; then
@@ -1509,8 +1482,9 @@ EOF
     # check wether EBX is available on x86
     check_asm ebx_available '"":::"%ebx"'
 
-    # check whether binutils is new enough to compile SSSE3
+    # check whether binutils is new enough to compile SSSE3/MMX2
     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
+    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
 
     check_asm bswap '"bswap %%eax" ::: "%eax"'
 fi
@@ -1550,6 +1524,8 @@ int main(void) {
 EOF
 fi
 
+# We have to check if pld is a nop and disable it.
+enabled armv4l  && check_asm pld     '"pld [r0]"'
 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
@@ -1586,6 +1562,7 @@ check_header byteswap.h
 check_header conio.h
 check_header dlfcn.h
 check_header malloc.h
+check_header sys/mman.h
 check_header termios.h
 
 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
@@ -1674,7 +1651,7 @@ done
 
 test "$vhook" = "default" && vhook="$dlopen"
 
-if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
+if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
     disable vhook
     echo
     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
@@ -1864,14 +1841,13 @@ enabled libdc1394 && append pkg_requires "libraw1394"
 enabled libtheora && append pkg_requires "theora"
 enabled libvorbis && append pkg_requires "vorbisenc"
 
-echo "install prefix            $PREFIX"
+echo "install prefix            $prefix"
 echo "source path               $source_path"
 echo "C compiler                $cc"
-echo "make                      $make"
 echo ".align is power-of-two    $asmalign_pot"
 echo "ARCH                      $arch ($cpu)"
-if test "$BUILDSUF" != ""; then
-    echo "build suffix              $BUILDSUF"
+if test "$build_suffix" != ""; then
+    echo "build suffix              $build_suffix"
 fi
 echo "big-endian                ${bigendian-no}"
 if test $arch = "x86_32" -o $arch = "x86_64"; then
@@ -1895,7 +1871,7 @@ if test $arch = "powerpc"; then
 fi
 echo "gprof enabled             ${gprof-no}"
 echo "debug symbols             ${debug-no}"
-echo "strip symbols             ${dostrip-no}"
+echo "strip symbols             ${stripping-no}"
 echo "optimizations             ${optimizations-no}"
 echo "static                    ${static-no}"
 echo "shared                    ${shared-no}"
@@ -1960,19 +1936,18 @@ echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
 echo "#define FFMPEG_CONFIG_H" >> $TMPH
 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
 
-echo "PREFIX=$PREFIX" >> config.mak
+echo "PREFIX=$prefix" >> config.mak
 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
-echo "MAKE=$make" >> config.mak
 echo "CC=$cc" >> config.mak
 echo "AR=$ar" >> config.mak
 echo "RANLIB=$ranlib" >> config.mak
 echo "LN_S=$ln_s" >> config.mak
-enabled dostrip &&
+enabled stripping &&
     echo "STRIP=$strip" >> config.mak ||
     echo "STRIP=echo ignoring strip" >> config.mak
 
@@ -1985,7 +1960,7 @@ echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
 echo "BUILD_STATIC=$static" >> config.mak
-echo "BUILDSUF=$BUILDSUF" >> config.mak
+echo "BUILDSUF=$build_suffix" >> config.mak
 echo "FULLNAME=$FULLNAME" >> config.mak
 echo "LIBPREF=$LIBPREF" >> config.mak
 echo "LIBSUF=$LIBSUF" >> config.mak
@@ -1994,7 +1969,6 @@ echo "SLIBPREF=$SLIBPREF" >> config.mak
 echo "SLIBSUF=$SLIBSUF" >> config.mak
 echo "EXESUF=$EXESUF" >> config.mak
 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
-echo "VHOOK_DEPEND_CMD=$VHOOK_DEPEND_CMD" >> config.mak
 
 if enabled bigendian; then
     echo "WORDS_BIGENDIAN=yes" >> config.mak
@@ -2070,6 +2044,7 @@ enabled asmalign_pot &&
     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
 
+echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
 
 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
 
@@ -2078,7 +2053,7 @@ cmp -s $TMPH config.h &&
     echo "config.h is unchanged" ||
     mv -f $TMPH config.h
 
-rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
+rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 
 # build tree in object directory if source path is different from current one
 if enabled source_path_used; then
@@ -2106,6 +2081,7 @@ if enabled source_path_used; then
     FILES="\
         Makefile             \
         common.mak           \
+        subdir.mak           \
         doc/texi2pod.pl      \
         libavcodec/Makefile  \
         libavdevice/Makefile \
@@ -2125,7 +2101,6 @@ fi
 
 
 # build pkg-config files
-# FIXME: libdir and includedir are hardcoded and may differ from the real path.
 
 pkgconfig_generate(){
 name=$1
@@ -2134,10 +2109,10 @@ version=$3
 libs=$4
 requires=$5
 cat <<EOF >$name.pc
-prefix=$PREFIX
+prefix=$prefix
 exec_prefix=\${prefix}
-libdir=\${exec_prefix}/lib
-includedir=\${prefix}/include
+libdir=$libdir
+includedir=$incdir
 
 Name: $name
 Description: $comment