ffmpeg&libav: Remove custom strtod broken on arm

Defining a custom strtod on arm when using hard float breaks
since the function is marked in system headers as expecting a
soft abi. Hopefully strtod works on Android 5.0+ so the strtod
workaround is no longer needed.

Fixes #179.

packages/ffmpeg/build.sh

@@ -1,28 +1,38 @@
 TERMUX_PKG_HOMEPAGE=https://www.ffmpeg.org/
 TERMUX_PKG_DESCRIPTION="Tools and libraries to manipulate a wide range of multimedia formats and protocols"
 TERMUX_PKG_VERSION=3.0
-TERMUX_PKG_BUILD_REVISION=1
+TERMUX_PKG_BUILD_REVISION=2
 TERMUX_PKG_SRCURL=https://github.com/FFmpeg/FFmpeg/releases/download/n${TERMUX_PKG_VERSION}/ffmpeg-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_FOLDERNAME=ffmpeg-$TERMUX_PKG_VERSION
 # libbz2 is used by matroska decoder:
-TERMUX_PKG_DEPENDS="openssl, libbz2, libx264, xvidcore, libvorbis, libfaac, liblzma, libmp3lame"
+TERMUX_PKG_DEPENDS="openssl, libbz2, libx264, xvidcore, libvorbis, libfaac, libmp3lame, liblzma"
 TERMUX_PKG_INCLUDE_IN_DEVPACKAGE="share/ffmpeg/examples"
 TERMUX_PKG_CONFLICTS="libav"
 
 termux_step_configure () {
 	cd $TERMUX_PKG_BUILDDIR
+
+	local _EXTRA_CONFIGURE_FLAGS=""
 	if [ $TERMUX_ARCH = "arm" ]; then
 		_ARCH="armeabi-v7a"
+		_EXTRA_CONFIGURE_FLAGS="--enable-neon"
 	elif [ $TERMUX_ARCH = "i686" ]; then
 		_ARCH="x86"
-	else
+		# Specify --disable-asm to prevent text relocations on i686,
+		# see https://trac.ffmpeg.org/ticket/4928
+		_EXTRA_CONFIGURE_FLAGS="--disable-asm"
+	elif [ $TERMUX_ARCH = "aarch64" ]; then
 		_ARCH=$TERMUX_ARCH
+		_EXTRA_CONFIGURE_FLAGS="--enable-neon"
+	else
+		echo "Unsupported arch $TERMUX_ARCH"
+		exit 1
 	fi
-        # --disable-asm to prevent text relocations
+
 	$TERMUX_PKG_SRCDIR/configure \
 		--arch=${_ARCH} \
 		--cross-prefix=${TERMUX_HOST_PLATFORM}- \
-                --disable-asm \
+		--disable-avdevice \
 		--disable-ffserver \
 		--disable-static \
                 --disable-symver \
@@ -37,6 +47,7 @@ termux_step_configure () {
 		--enable-openssl \
 		--enable-shared \
 		--prefix=$TERMUX_PREFIX \
-		--target-os=linux
+		--target-os=linux \
+		$_EXTRA_CONFIGURE_FLAGS
 }
 

packages/ffmpeg/configure.patch

@@ -0,0 +1,19 @@
+Avoid issue with strtod on arm:
+	https://github.com/termux/termux-packages/issues/179
+
+diff -u -r ../ffmpeg-3.0/configure ./configure
+--- ../ffmpeg-3.0/configure	2016-02-14 21:29:37.000000000 -0500
++++ ./configure	2016-03-24 20:44:33.472274113 -0400
+@@ -4814,12 +4814,6 @@
+ probe_libc host_
+ test -n "$host_libc_type" && enable host_libc_$host_libc_type
+ 
+-case $libc_type in
+-    bionic)
+-        add_compat strtod.o strtod=avpriv_strtod
+-        ;;
+-esac
+-
+ # hacks for compiler/libc/os combinations
+ 
+ if enabled_all tms470 libc_glibc; then

packages/libav/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://libav.org/
 TERMUX_PKG_DESCRIPTION="Tools and libraries to manipulate a wide range of multimedia formats and protocols"
 TERMUX_PKG_VERSION=11.6
-TERMUX_PKG_BUILD_REVISION=1
+TERMUX_PKG_BUILD_REVISION=3
 TERMUX_PKG_SRCURL=http://libav.org/releases/libav-${TERMUX_PKG_VERSION}.tar.xz
 # libbz2 is used by matroska decoder:
 TERMUX_PKG_DEPENDS="openssl, libbz2, libx264, xvidcore, libvorbis, libfaac, libmp3lame"
@@ -9,18 +9,28 @@ TERMUX_PKG_CONFLICTS="ffmpeg"
 
 termux_step_configure () {
 	cd $TERMUX_PKG_BUILDDIR
+
+	# Specify --disable-asm to prevent text relocations on i686,
+	# see https://trac.ffmpeg.org/ticket/4928
+	# For libav we do it also for arm and aarch64 since text
+	# relocations happens there as well (while ffmpeg doesn't
+	# create text relocations even with asm for those).
+	local _EXTRA_CONFIGURE_FLAGS="--disable-asm"
+
 	if [ $TERMUX_ARCH = "arm" ]; then
 		_ARCH="armeabi-v7a"
 	elif [ $TERMUX_ARCH = "i686" ]; then
 		_ARCH="x86"
-	else
+	elif [ $TERMUX_ARCH = "aarch64" ]; then
 		_ARCH=$TERMUX_ARCH
+	else
+		echo "Unsupported arch $TERMUX_ARCH"
+		exit 1
 	fi
-        # --disable-asm to prevent text relocations
+
 	$TERMUX_PKG_SRCDIR/configure \
 		--arch=${_ARCH} \
 		--cross-prefix=${TERMUX_HOST_PLATFORM}- \
-                --disable-asm \
 		--disable-avdevice \
 		--disable-avserver \
 		--disable-static \
@@ -36,6 +46,7 @@ termux_step_configure () {
 		--enable-openssl \
 		--enable-shared \
 		--prefix=$TERMUX_PREFIX \
-		--target-os=linux
+		--target-os=linux \
+		$_EXTRA_CONFIGURE_FLAGS
 }
 

packages/libav/configure.patch

@@ -0,0 +1,19 @@
+Avoid issue with strtod on arm:
+	https://github.com/termux/termux-packages/issues/179
+
+diff -u -r ../libav-11.6/configure ./configure
+--- ../libav-11.6/configure	2016-02-26 18:05:55.000000000 -0500
++++ ./configure	2016-03-24 20:59:15.095178594 -0400
+@@ -3673,12 +3673,6 @@
+ probe_libc host_
+ test -n "$host_libc_type" && enable host_libc_$host_libc_type
+ 
+-case $libc_type in
+-    bionic)
+-        add_compat strtod.o strtod=avpriv_strtod
+-        ;;
+-esac
+-
+ # hacks for compiler/libc/os combinations
+ 
+ if enabled_all tms470 libc_glibc; then