arm: Add neon versions of vsad, asd8 and ssd_nv12_core

[x264] / configure

diff --git a/configure b/configure
index aa2a368d26d92496ea3a741c8a5a14a666d9073f..57a47acc253529cdf91ab1e42e2660f5d2530f28 100755 (executable)
--- a/configure
+++ b/configure
@@ -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'
@@ -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"
@@ -591,7 +603,7 @@ case $host_os in
         ;;
     cygwin*)
         EXE=".exe"
-        if cc_check "" -mno-cygwin; then
+        if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
             CFLAGS="$CFLAGS -mno-cygwin"
             LDFLAGS="$LDFLAGS -mno-cygwin"
         fi
@@ -658,7 +670,7 @@ 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"
@@ -1224,7 +1236,7 @@ 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