]> git.sesse.net Git - x264/blobdiff - configure
Use the correct default B-ref placement with B-pyramid
[x264] / configure
index aa2a368d26d92496ea3a741c8a5a14a666d9073f..741f6d69e87dcb787bd4caa7ba0279d2917fc7d7 100755 (executable)
--- a/configure
+++ b/configure
@@ -28,7 +28,7 @@ Configuration options:
   --disable-opencl         disable OpenCL features
   --disable-gpl            disable GPL-only features
   --disable-thread         disable multithreaded encoding
-  --enable-win32thread     use win32threads (windows only)
+  --disable-win32thread    disable win32threads (windows only)
   --disable-interlaced     disable interlaced encoding support
   --bit-depth=BIT_DEPTH    set output bit depth (8-10) [8]
   --chroma-format=FORMAT   output chroma format (420, 422, 444, all) [all]
@@ -74,10 +74,9 @@ log_msg() {
 }
 
 cc_cflags() {
-    # several non gcc compilers issue an incredibly large number of warnings on any warning level,
-    # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
+    # several non gcc compilers issue an incredibly large number of warnings on high warning levels,
+    # suppress them by reducing the warning level rather than having to use #pragmas
     for arg in $*; do
-        [ "$arg" = -ffast-math ] && arg=
         [[ "$arg" = -falign-loops* ]] && arg=
         [ "$arg" = -fno-tree-vectorize ] && arg=
         [ "$arg" = -Wshadow ] && arg=
@@ -86,14 +85,16 @@ cc_cflags() {
         [[ "$arg" = -l* ]] && arg=
         [[ "$arg" = -L* ]] && arg=
         if [ $compiler_style = MS ]; then
-            [ "$arg" = -Wall ] && arg=-W0
+            [ "$arg" = -ffast-math ] && arg="-fp:fast"
+            [ "$arg" = -Wall ] && arg=
             [ "$arg" = -Werror ] && arg="-W3 -WX"
             [ "$arg" = -g ] && arg=-Z7
             [ "$arg" = -fomit-frame-pointer ] && arg=
             [ "$arg" = -s ] && arg=
             [ "$arg" = -fPIC ] && arg=
         else
-            [ "$arg" = -Wall ] && arg=-w0
+            [ "$arg" = -ffast-math ] && arg=
+            [ "$arg" = -Wall ] && arg=
             [ "$arg" = -Werror ] && arg="-w3 -Werror"
         fi
         [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
@@ -305,9 +306,22 @@ configure_system_override() {
 
 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 
-SRCPATH="$(cd $(dirname $0); pwd)"
-[ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
-[ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
+# Construct a path to the specified directory relative to the working directory
+relative_path() {
+    local base="${PWD%/}"
+    local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
+    local up=''
+
+    while [[ $path != "$base/"* ]]; do
+        base="${base%/*}"
+        up="../$up"
+    done
+
+    dirname "$up${path#"$base/"}"
+}
+
+SRCPATH="$(relative_path "$(dirname "$0")")"
+echo "$SRCPATH" | grep -q ' ' && die "Out of tree builds are impossible with whitespace in source path."
 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
 
 prefix='/usr/local'
@@ -359,7 +373,7 @@ NL="
 # list of all preprocessor HAVE values we can define
 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
-             MSA"
+             MSA MMAP"
 
 # parse options
 
@@ -432,8 +446,8 @@ for opt do
         --disable-thread)
             thread="no"
             ;;
-        --enable-win32thread)
-            thread="win32"
+        --disable-win32thread)
+            [ "$thread" != "no" ] && thread="posix"
             ;;
         --disable-swscale)
             swscale="no"
@@ -527,11 +541,9 @@ if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
         fi
     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
         # Standard Microsoft Visual Studio
-        # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
-        [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
         compiler=CL
         compiler_style=MS
-        CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
+        CFLAGS="$CFLAGS -nologo -GS- -DHAVE_STRING_H -I\$(SRCPATH)/extras"
         `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
         `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
         cpp_check '' '' '_MSC_VER > 1800 || (_MSC_VER == 1800 && _MSC_FULL_VER >= 180030324)' || die "Microsoft Visual Studio support requires Visual Studio 2013 Update 2 or newer"
@@ -589,29 +601,18 @@ case $host_os in
         define HAVE_MALLOC_H
         libm="-lm"
         ;;
-    cygwin*)
+    cygwin*|mingw*|msys*)
         EXE=".exe"
-        if cc_check "" -mno-cygwin; then
-            CFLAGS="$CFLAGS -mno-cygwin"
-            LDFLAGS="$LDFLAGS -mno-cygwin"
-        fi
-        if cpp_check "" "" "defined(__CYGWIN__)" ; then
-            define HAVE_MALLOC_H
+        if [[ $host_os = cygwin* ]] && cpp_check "" "" "defined(__CYGWIN__)" ; then
             SYS="CYGWIN"
+            define HAVE_MALLOC_H
         else
             SYS="WINDOWS"
             DEVNULL="NUL"
             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
-            RC="${RC-${cross_prefix}windres}"
+            [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
         fi
         ;;
-    mingw*)
-        SYS="WINDOWS"
-        EXE=".exe"
-        DEVNULL="NUL"
-        LDFLAGSCLI="$LDFLAGSCLI -lshell32"
-        [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
-        ;;
     sunos*|solaris*)
         SYS="SunOS"
         define HAVE_MALLOC_H
@@ -639,6 +640,9 @@ case $host_os in
         HAVE_GETOPT_LONG=0
         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
         ;;
+    *haiku*)
+        SYS="HAIKU"
+        ;;
     *)
         die "Unknown system $host, edit the configure"
         ;;
@@ -646,7 +650,7 @@ esac
 
 LDFLAGS="$LDFLAGS $libm"
 
-stack_alignment=16
+stack_alignment=4
 case $host_cpu in
     i*86)
         ARCH="X86"
@@ -658,25 +662,10 @@ case $host_cpu in
                 CFLAGS="$CFLAGS -march=i686"
             fi
             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
-                CFLAGS="$CFLAGS -mfpmath=sse -msse"
+                CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
             fi
             CFLAGS="-m32 $CFLAGS"
             LDFLAGS="-m32 $LDFLAGS"
-        elif [ $compiler = ICC ]; then
-            # icc on linux has various degrees of mod16 stack support
-            if [ $SYS = LINUX ]; then
-                # < 11 is completely incapable of keeping a mod16 stack
-                if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
-                    stack_alignment=4
-                # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
-                elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
-                    CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
-                fi
-                # >= 12 defaults to a mod16 stack
-            fi
-        else # ICL/CL
-            # always a mod4 stack
-            stack_alignment=4
         fi
         if [ "$SYS" = MACOSX ]; then
             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
@@ -694,6 +683,7 @@ case $host_cpu in
         AS="${AS-yasm}"
         AS_EXT=".asm"
         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
+        stack_alignment=16
         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
         if [ "$SYS" = MACOSX ]; then
             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
@@ -749,6 +739,7 @@ case $host_cpu in
         ;;
     aarch64)
         ARCH="AARCH64"
+        stack_alignment=16
         if [ "$SYS" = MACOSX ] ; then
             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
             ASFLAGS="$ASFLAGS -DPREFIX"
@@ -807,6 +798,29 @@ if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o
     pic="yes"
 fi
 
+if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
+    if cc_check '' -mpreferred-stack-boundary=5 ; then
+        CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
+        stack_alignment=32
+    elif [ $stack_alignment -lt 16 ] && cc_check '' -mpreferred-stack-boundary=4 ; then
+        CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
+        stack_alignment=16
+    fi
+elif [ $compiler = ICC -a $ARCH = X86 ]; then
+    # icc on linux has various degrees of mod16 stack support
+    if [ $SYS = LINUX ]; then
+        # >= 12 defaults to a mod16 stack
+        if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
+            stack_alignment=16
+        # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
+        elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
+            CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
+            stack_alignment=16
+        fi
+        # < 11 is completely incapable of keeping a mod16 stack
+    fi
+fi
+
 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
@@ -818,10 +832,6 @@ if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
     ASFLAGS="$ASFLAGS -Worphan-labels"
     define HAVE_MMX
-    if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
-        CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
-        stack_alignment=32
-    fi
 fi
 
 if [ $asm = auto -a $ARCH = ARM ] ; then
@@ -903,11 +913,25 @@ fi
 
 # autodetect options that weren't forced nor disabled
 
-# pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
-[ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
-
 libpthread=""
-if [ "$thread" = "auto" ]; then
+if [ "$SYS" = "WINDOWS" -a "$thread" = "posix" ] ; then
+    if [ "$gpl" = "no" ] ; then
+        echo "Warning: pthread-win32 is LGPL and is therefore not supported with --disable-gpl"
+        thread="no"
+    elif cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
+        libpthread="-lpthread"
+    elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
+        libpthread="-lpthreadGC2"
+    elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
+        libpthread="-lpthreadGC2 -lwsock32"
+        define PTW32_STATIC_LIB
+    elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
+        libpthread="-lpthreadGC2 -lws2_32"
+        define PTW32_STATIC_LIB
+    else
+        thread="no"
+    fi
+elif [ "$thread" != "no" ] ; then
     thread="no"
     case $SYS in
         BEOS)
@@ -915,24 +939,8 @@ if [ "$thread" = "auto" ]; then
             define HAVE_BEOSTHREAD
             ;;
         WINDOWS)
-            if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
-                thread="posix"
-                libpthread="-lpthread"
-            elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
-                thread="posix"
-                libpthread="-lpthreadGC2"
-            elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
-                thread="posix"
-                libpthread="-lpthreadGC2 -lwsock32"
-                define PTW32_STATIC_LIB
-            elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
-                thread="posix"
-                libpthread="-lpthreadGC2 -lws2_32"
-                define PTW32_STATIC_LIB
-            else
-                # default to native threading if pthread-win32 is unavailable
-                thread="win32"
-            fi
+            thread="win32"
+            define HAVE_WIN32THREAD
             ;;
         QNX)
             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
@@ -954,20 +962,16 @@ if [ "$thread" = "posix" ]; then
         define HAVE_CPU_COUNT
     fi
 fi
-if [ "$thread" = "win32" ]; then
-    # cygwin does not support win32 threads
-    if [ "$SYS" = "WINDOWS" ]; then
-        define HAVE_WIN32THREAD
-    else
-        thread="no"
-    fi
-fi
 [ "$thread" != "no" ] && define HAVE_THREAD
 
 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
     define HAVE_LOG2F
 fi
 
+if [ "$SYS" != "WINDOWS" ] && cpp_check "sys/mman.h unistd.h" "" "defined(MAP_PRIVATE)"; then
+    define HAVE_MMAP
+fi
+
 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
     define HAVE_THP
 fi
@@ -1224,7 +1228,7 @@ cat > x264_config.h << EOF
 #define X264_CHROMA_FORMAT $config_chroma_format
 EOF
 
-${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
+${SRCPATH}/version.sh >> x264_config.h
 
 if [ "$cli_libx264" = "system" ] ; then
     if [ "$shared" = "yes" ]; then