]> git.sesse.net Git - x264/blobdiff - configure
Save a few bits in slice headers
[x264] / configure
index 6326166a11b020c246a5dd42fba9e184d3c092fe..8ed83abc749b01bd57968e389e413842eac8f151 100755 (executable)
--- a/configure
+++ b/configure
@@ -7,10 +7,12 @@ echo ""
 echo "available options:"
 echo ""
 echo "  --help                   print this message"
-echo "  --disable-avis-input     disables avisynth input (win32 only)"
+echo "  --disable-avs-input      disables avisynth input (win32 only)"
+echo "  --disable-lavf-input     disables libavformat input"
+echo "  --disable-ffms-input     disables ffmpegsource input"
 echo "  --disable-mp4-output     disables mp4 output (using gpac)"
 echo "  --disable-pthread        disables multithreaded encoding"
-echo "  --disable-asm            disables assembly optimizations on x86 and arm"
+echo "  --disable-asm            disables platform-specific assembly optimizations"
 echo "  --enable-debug           adds -g, doesn't strip"
 echo "  --enable-gprof           adds -pg, doesn't strip"
 echo "  --enable-visualize       enables visualization (X11 only)"
@@ -21,28 +23,88 @@ 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 "  --cross-prefix=PREFIX    use PREFIX for compilation tools"
+echo "  --sysroot=SYSROOT        root of cross-build tree"
 echo ""
 exit 1
 fi
 
+log_check() {
+    echo -n "checking $1... " >> config.log
+}
+
+log_ok() {
+    echo "yes" >> config.log
+}
+
+log_fail() {
+    echo "no" >> config.log
+}
+
+log_msg() {
+    echo "$1" >> config.log
+}
+
 cc_check() {
+    if [ -z "$3" ]; then
+        if [ -z "$1$2" ]; then
+            log_check "whether $CC works"
+        elif [ -z "$1" ]; then
+            log_check "for $2"
+        else
+            log_check "for $1"
+        fi
+    elif [ -z "$1" ]; then
+        log_check "whether $CC supports $3"
+    else
+        log_check "for $3 in $1";
+    fi
     rm -f conftest.c
     [ -n "$1" ] && echo "#include <$1>" > conftest.c
     echo "int main () { $3 return 0; }" >> conftest.c
-    $CC conftest.c $CFLAGS $LDFLAGS $2 -o conftest 2>$DEVNULL
+    if $CC conftest.c $CFLAGS $LDFLAGS $LDFLAGSCLI $2 -o conftest >conftest.log 2>&1; then
+        res=$?
+        log_ok
+    else
+        res=$?
+        log_fail
+        log_msg "Failed commandline was:"
+        log_msg "--------------------------------------------------"
+        log_msg "$CC conftest.c $CFLAGS $LDFLAGS $LDFLAGSCLI $2"
+        cat conftest.log >> config.log
+        log_msg "--------------------------------------------------"
+    fi
+    return $res
 }
 
 as_check() {
+    log_check "whether $AS supports $1"
     echo "$1" > conftest.asm
-    $AS conftest.asm $ASFLAGS $2 -o conftest.o 2>$DEVNULL
+    if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
+        res=$?
+        log_ok
+    else
+        res=$?
+        log_fail
+        log_msg "Failed commandline was:"
+        log_msg "--------------------------------------------------"
+        log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
+        cat conftest.log >> config.log
+        log_msg "--------------------------------------------------"
+    fi
+    return $res
+}
+
+define() {
+    echo "#define $1$([ -n "$2" ] && echo " $2")" >> config.h
 }
 
 die() {
+    log_msg "DIED: $@"
     echo "$@"
     exit 1
 }
 
-rm -f config.h config.mak x264.pc conftest*
+rm -f config.h config.mak config.log x264.pc conftest*
 
 prefix='/usr/local'
 exec_prefix='${prefix}'
@@ -51,7 +113,9 @@ libdir='${exec_prefix}/lib'
 includedir='${prefix}/include'
 DEVNULL='/dev/null'
 
-avis_input="auto"
+avs_input="auto"
+lavf_input="auto"
+ffms_input="auto"
 mp4_output="auto"
 pthread="auto"
 asm="yes"
@@ -63,6 +127,7 @@ shared="no"
 
 CFLAGS="$CFLAGS -Wall -I."
 LDFLAGS="$LDFLAGS"
+LDFLAGSCLI="$LDFLAGSCLI"
 ASFLAGS="$ASFLAGS"
 HAVE_GETOPT_LONG=1
 cross_prefix=""
@@ -95,11 +160,23 @@ for opt do
         --disable-asm)
             asm="no"
             ;;
-        --enable-avis-input)
-            avis_input="yes"
+        --enable-avs-input)
+            avs_input="auto"
+            ;;
+        --disable-avs-input)
+            avs_input="no"
+            ;;
+        --enable-lavf-input)
+            lavf_input="auto"
+            ;;
+        --disable-lavf-input)
+            lavf_input="no"
             ;;
-        --disable-avis-input)
-            avis_input="no"
+        --enable-ffms-input)
+            ffms_input="auto"
+            ;;
+        --disable-ffms-input)
+            ffms_input="no"
             ;;
         --enable-mp4-output)
             mp4_output="yes"
@@ -138,7 +215,7 @@ for opt do
             ;;
         --enable-visualize)
             LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
-            CFLAGS="$CFLAGS -DVISUALIZE=1"
+            define HAVE_VISUALIZE
             vis="yes"
             ;;
         --host=*)
@@ -147,6 +224,10 @@ for opt do
         --cross-prefix=*)
             cross_prefix="${opt#--cross-prefix=}"
             ;;
+        --sysroot=*)
+            CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
+            LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
+            ;;
         *)
             echo "Unknown option $opt, ignored"
             ;;
@@ -173,7 +254,7 @@ host_os="${host#*-}"
 case $host_os in
   beos*)
     SYS="BEOS"
-    CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
+    define HAVE_MALLOC_H
     ;;
   darwin*)
     SYS="MACOSX"
@@ -189,7 +270,7 @@ case $host_os in
     ;;
   kfreebsd*-gnu)
     SYS="FREEBSD"
-    CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
+    define HAVE_MALLOC_H
     LDFLAGS="$LDFLAGS -lm"
     ;;
   netbsd*)
@@ -203,7 +284,7 @@ case $host_os in
     ;;
   *linux*)
     SYS="LINUX"
-    CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
+    define HAVE_MALLOC_H
     LDFLAGS="$LDFLAGS -lm"
     ;;
   cygwin*)
@@ -222,7 +303,7 @@ case $host_os in
     ;;
   sunos*|solaris*)
     SYS="SunOS"
-    CFLAGS="$CFLAGS -DHAVE_MALLOC_H"
+    define HAVE_MALLOC_H
     LDFLAGS="$LDFLAGS -lm"
     HAVE_GETOPT_LONG=0
     ;;
@@ -267,19 +348,23 @@ case $host_cpu in
     ;;
   powerpc|powerpc64)
     ARCH="PPC"
-    if [ $SYS = MACOSX ]
-    then
-      CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
-    else
-      CFLAGS="$CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_H"
+    if [ $asm = yes ] ; then
+      define HAVE_ALTIVEC
+      AS="${AS-${cross_prefix}gcc}"
+      if [ $SYS = MACOSX ] ; then
+        CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
+      else
+        CFLAGS="$CFLAGS -maltivec -mabi=altivec"
+        define HAVE_ALTIVEC_H
+      fi
     fi
     ;;
   sparc)
-    if test "$(uname -m)" = "sun4u"; then
+    if [ $asm = yes ] && test "$(uname -m)" = "sun4u"; then
       ARCH="UltraSparc"
       CFLAGS="$CFLAGS -mcpu=ultrasparc"
       LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
-      AS="${cross_prefix}as"
+      AS="${AS-${cross_prefix}as}"
       ASFLAGS="$ASFLAGS -xarch=v8plusa"
     else
       ARCH="Sparc"
@@ -290,7 +375,17 @@ case $host_cpu in
     ;;
   arm*)
     ARCH="ARM"
-    AS="${AS-${cross_prefix}gcc}"
+    if [ "$SYS" = MACOSX ] ; then
+      AS="${AS-extras/gas-preprocessor.pl $CC}"
+      ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
+      # build for armv7 by default
+      if ! echo $CFLAGS | grep -Eq '\-arch' ; then
+        CFLAGS="$CFLAGS -arch armv7"
+        LDFLAGS="$LDFLAGS -arch armv7"
+      fi
+    else
+      AS="${AS-${cross_prefix}gcc}"
+    fi
     ;;
   s390|s390x)
     ARCH="S390"
@@ -303,10 +398,26 @@ case $host_cpu in
     ;;
 esac
 
+log_msg "x264 configure script"
+if [ -n "$*" ]; then
+    msg="Command line options:"
+    for i in $@; do
+        msg="$msg \"$i\""
+    done
+    log_msg "$msg"
+fi
+log_msg ""
+
 # check requirements
 
 cc_check || die "No working C compiler found."
 
+if cc_check '' -std=gnu99 ; then
+    CFLAGS="$CFLAGS -std=gnu99"
+elif cc_check '' -std=c99 ; then
+    CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
+fi
+
 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" \) ] ; then
     pic="yes"
 fi
@@ -319,7 +430,7 @@ if [ $asm = yes -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
         echo "If you really want to compile without asm, configure with --disable-asm."
         exit 1
     fi
-    if ! cc_check '' '' 'asm("pabsw %xmm0, %xmm0");' ; then
+    if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
         VER=`(as --version || echo no gnu as) 2>$DEVNULL | head -n 1`
         echo "Found $VER"
         echo "Minimum version is binutils-2.17"
@@ -327,16 +438,16 @@ if [ $asm = yes -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
         echo "If you really want to compile without asm, configure with --disable-asm."
         exit 1
     fi
-    CFLAGS="$CFLAGS -DHAVE_MMX"
+    define HAVE_MMX
 fi
 
 if [ $asm = yes -a $ARCH = ARM ] ; then
     # set flags so neon is built by default
     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
 
-    if  cc_check '' '' 'asm("rev ip, ip");' ; then      CFLAGS="$CFLAGS -DHAVE_ARMV6"
-        cc_check '' '' 'asm("movt r0, #0");'         && CFLAGS="$CFLAGS -DHAVE_ARMV6T2"
-        cc_check '' '' 'asm("vadd.i16 q0, q0, q0");' && CFLAGS="$CFLAGS -DHAVE_NEON"
+    if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
+        cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
+        cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
         ASFLAGS="$ASFLAGS $CFLAGS -c"
     else
         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
@@ -348,12 +459,13 @@ fi
 [ $asm = no ] && AS=""
 [ "x$AS" = x ] && asm="no"
 
-CFLAGS="$CFLAGS -DARCH_$ARCH -DSYS_$SYS"
+define ARCH_$ARCH
+define SYS_$SYS
 
 echo "int i = 0x42494745; double f = 0x1.0656e6469616ep+102;" > conftest.c
 $CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
 if grep -q BIGE conftest.o && grep -q FPendian conftest.o ; then
-    CFLAGS="$CFLAGS -DWORDS_BIGENDIAN"
+    define WORDS_BIGENDIAN
 elif !(grep -q EGIB conftest.o && grep -q naidnePF conftest.o) ; then
     die "endian test failed"
 fi
@@ -377,11 +489,11 @@ if test "$pthread" = "auto" ; then
             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
                 pthread="yes"
                 libpthread="-lpthreadGC2 -lwsock32"
-                CFLAGS="$CFLAGS -DPTW32_STATIC_LIB"
+                define PTW32_STATIC_LIB
             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
                 pthread="yes"
                 libpthread="-lpthreadGC2 -lws2_32"
-                CFLAGS="$CFLAGS -DPTW32_STATIC_LIB"
+                define PTW32_STATIC_LIB
             fi
             ;;
         OPENBSD)
@@ -393,39 +505,110 @@ if test "$pthread" = "auto" ; then
     esac
 fi
 if test "$pthread" = "yes" ; then
-    CFLAGS="$CFLAGS -DHAVE_PTHREAD"
+    define HAVE_PTHREAD
     LDFLAGS="$LDFLAGS $libpthread"
 fi
 
+if cc_check "math.h" "-Werror" "return log2f(2);" ; then
+    define HAVE_LOG2F
+fi
+
+if [ "$lavf_input" = "auto" ] ; then
+    lavf_input="no"
+    if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>$DEVNULL; then
+        LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libswscale)"
+        LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libswscale)"
+    fi
+    if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
+        LAVF_LIBS="-lavformat -lswscale"
+        for lib in -lpostproc -lavcodec -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
+            cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
+        done
+    fi
+    LAVF_LIBS="-L. $LAVF_LIBS"
+    if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" && \
+       cc_check libswscale/swscale.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
+        # avcodec_decode_video2 is currently the most recently added function that we use; it was added in r18351
+        if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2( NULL, NULL, NULL, NULL );" ; then
+            lavf_input="yes"
+            define LAVF_INPUT
+        else
+            echo "Warning: libavformat is too old, update to ffmpeg r18351+"
+        fi
+    fi
+fi
+
+if [ "$ffms_input" = "auto" ] ; then
+    ffms_major="2"; ffms_minor="13"; ffms_micro="1"; ffms_bump="0"
+
+    ffms_input="no"
+    [ $ffms_micro -gt 0 -o $ffms_bump -gt 0 ] && vmicro=".$ffms_micro"
+    [ $ffms_bump -gt 0 ] && vbump=".$ffms_bump"
+    if ${cross_prefix}pkg-config --atleast-version="$ffms_major.$ffms_minor$vmicro$vbump" ffms2 2>$DEVNULL; then
+        FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
+        FFMS2_CFLAGS="$FFMS2_LIBS $(${cross_prefix}pkg-config --cflags ffms2)"
+        api_check="no"
+    else
+        api_check="yes"
+    fi
+    [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
+
+    if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
+        ffms_input="yes"
+    elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
+        ffms_input="yes"
+        FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
+    fi
+
+    if [ $api_check = "yes" -a $ffms_input = "yes" ]; then
+        log_check "whether ffms2 version is at least $ffms_major.$ffms_minor$vmicro$vbump"
+        $CC $CFLAGS $FFMS2_CFLAGS -c -o conftest -x c - >$DEVNULL 2>&1 <<EOF
+#include <ffms.h>
+#if FFMS_VERSION < (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)
+#error Requires ffms2 version 2.13.1
+#endif
+EOF
+        [ $? = 0 ] && log_ok || { ffms_input="no"; log_fail; }
+    fi
+fi
+
+if [ "$ffms_input" = "yes" ]; then
+    LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
+    [ -n "$FFMS2_CFLAGS" ] && CFLAGS="$CFLAGS $FFMS2_CFLAGS"
+    define FFMS_INPUT
+elif [ "$lavf_input" = "yes" ]; then
+    LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
+    [ -n "$LAVF_CFLAGS" ] && CFLAGS="$CFLAGS $LAVF_CFLAGS"
+fi
+
 MP4_LDFLAGS="-lgpac_static"
 if [ $SYS = MINGW ]; then
     MP4_LDFLAGS="$MP4_LDFLAGS -lwinmm"
 fi
 if [ "$mp4_output" = "auto" ] ; then
     mp4_output="no"
-    cc_check gpac/isomedia.h "$MP4_LDFLAGS" && mp4_output="yes"
+    if cc_check gpac/isomedia.h "$MP4_LDFLAGS" ; then
+        if cc_check gpac/isomedia.h "$MP4_LDFLAGS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
+            mp4_output="yes"
+        else
+            echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
+        fi
+    fi
 fi
 if [ "$mp4_output" = "yes" ] ; then
-    echo "#define MP4_OUTPUT" >> config.h
-    LDFLAGS="$LDFLAGS $MP4_LDFLAGS"
+    define MP4_OUTPUT
+    LDFLAGSCLI="$LDFLAGSCLI $MP4_LDFLAGS"
 fi
 
-if [ "$avis_input" = "auto" ] ; then
-    if [ $SYS = MINGW ]; then
-        avis_input="yes"
-    else
-        avis_input="no";
-    fi
-fi
-if [ "$avis_input" = "yes" ] ; then
-    if cc_check "stdlib.h" -lvfw32 ; then
-        echo "#define AVIS_INPUT" >> config.h
-        LDFLAGS="$LDFLAGS -lvfw32"
-    elif cc_check "stdlib.h" -lavifil32 ; then
-        echo "#define AVIS_INPUT" >> config.h
-        LDFLAGS="$LDFLAGS -lavifil32"
-    else
-        avis_input="no";
+if [ "$avs_input" = "auto" ] ; then
+    avs_input=no
+    if [ $SYS = MINGW ] && cc_check avisynth_c.h ; then
+        avs_input="yes"
+        define AVS_INPUT
+        define HAVE_AVISYNTH_C_H
+    elif [ $SYS = MINGW ] && cc_check extras/avisynth_c.h ; then
+        avs_input="yes"
+        define AVS_INPUT
     fi
 fi
 
@@ -446,17 +629,17 @@ if [ "$debug" = "yes" ]; then
 elif [ $ARCH = ARM ]; then
     # arm-gcc-4.2 produces incorrect output with -ffast-math
     # and it doesn't save any speed anyway on 4.4, so disable it
-    CFLAGS="-O4 -fno-fast-math $CFLAGS"
+    CFLAGS="-O3 -fno-fast-math $CFLAGS"
 else
-    CFLAGS="-O4 -ffast-math $CFLAGS"
+    CFLAGS="-O3 -ffast-math $CFLAGS"
 fi
 
 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
-    echo "#define fseek fseeko" >> config.h
-    echo "#define ftell ftello" >> config.h
+    define fseek fseeko
+    define ftell ftello
 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
-    echo "#define fseek fseeko64" >> config.h
-    echo "#define ftell ftello64" >> config.h
+    define fseek fseeko64
+    define ftell ftello64
 fi
 
 rm -f conftest*
@@ -474,6 +657,7 @@ SYS=$SYS
 CC=$CC
 CFLAGS=$CFLAGS
 LDFLAGS=$LDFLAGS
+LDFLAGSCLI=$LDFLAGSCLI
 AR=$AR
 RANLIB=$RANLIB
 STRIP=$STRIP
@@ -524,18 +708,27 @@ Libs: $pclibs
 Cflags: -I$includedir
 EOF
 
+cat > conftest.log <<EOF
+Platform:   $ARCH
+System:     $SYS
+asm:        $asm
+avs input:  $avs_input
+lavf input: $lavf_input
+ffms input: $ffms_input
+mp4 output: $mp4_output
+pthread:    $pthread
+debug:      $debug
+gprof:      $gprof
+PIC:        $pic
+shared:     $shared
+visualize:  $vis
+EOF
+
+echo >> config.log
+cat conftest.log >> config.log
+cat conftest.log
+rm conftest.log
 
-echo "Platform:   $ARCH"
-echo "System:     $SYS"
-echo "asm:        $asm"
-echo "avis input: $avis_input"
-echo "mp4 output: $mp4_output"
-echo "pthread:    $pthread"
-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."