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#!/usr/bin/env bash
set -e
move_binary() {
SOURCE=$1
TARGET=$2
BINARY=$3
# run lipo over the command to check whether it really
# is a binary that we need to merge architectures
lipo $SOURCE/$BINARY -info &> /dev/null || return 0
# get the directory name the file is in
DIRNAME=$(dirname $BINARY)
# ensure the directory to move the binary to exists
mkdir -p $TARGET/$DIRNAME
# now finally move the binary
mv $SOURCE/$BINARY $TARGET/$BINARY
}
move_binaries() {
SOURCE=$1
TARGET=$2
[ ! -d $SOURCE ] && return 0
pushd $SOURCE
for BINARY in $(find . -type f); do
move_binary $SOURCE $TARGET $BINARY
done
popd
}
merge_binaries() {
TARGET=$1
SOURCE=$2
shift
shift
pushd $SOURCE/$1
BINARIES=$(find . -type f)
popd
for BINARY in $BINARIES; do
COMMAND="lipo -create -output $TARGET/$BINARY"
for ARCH in $@; do
COMMAND="$COMMAND -arch $ARCH $SOURCE/$ARCH/$BINARY"
done
$($COMMAND)
done
}
PATH_TO_BUILD_DIR="@BUILD_DIR@"
PATH_TO_SRC_DIR="@SOURCE_PATH@"
PATH_TO_PACKAGE_DIR="@INST_PREFIX@"
JOBS=@VCPKG_CONCURRENCY@
OSX_ARCHS="@OSX_ARCHS@"
OSX_ARCH_COUNT=0@OSX_ARCH_COUNT@
# Default to hardware concurrency if unset.
: ${JOBS:=$(nproc)}
# Disable asm and x86asm on all android targets because they trigger build failures:
# arm64 Android build fails with 'relocation R_AARCH64_ADR_PREL_PG_HI21 cannot be used against symbol ff_cos_32; recompile with -fPIC'
# x86 Android build fails with 'error: inline assembly requires more registers than available'.
# x64 Android build fails with 'relocation R_X86_64_PC32 cannot be used against symbol ff_h264_cabac_tables; recompile with -fPIC'
if [ "@VCPKG_CMAKE_SYSTEM_NAME@" = "Android" ]; then
OPTIONS_arm=" --disable-asm --disable-x86asm"
OPTIONS_arm64=" --disable-asm --disable-x86asm"
OPTIONS_x86=" --disable-asm --disable-x86asm"
OPTIONS_x86_64="${OPTIONS_x86}"
else
OPTIONS_arm=" --disable-asm --disable-x86asm"
OPTIONS_arm64=" --enable-asm --disable-x86asm"
OPTIONS_x86=" --enable-asm --enable-x86asm"
OPTIONS_x86_64="${OPTIONS_x86}"
fi
case "@VCPKG_CMAKE_SYSTEM_NAME@" in
*BSD)
MAKE_BINARY="gmake"
;;
*)
MAKE_BINARY="make"
;;
esac
build_ffmpeg() {
# extract build architecture
BUILD_ARCH=$1
shift
echo "BUILD_ARCH=${BUILD_ARCH}"
# get architecture-specific options
OPTION_VARIABLE="OPTIONS_${BUILD_ARCH}"
echo "OPTION_VARIABLE=${OPTION_VARIABLE}"
echo "=== CONFIGURING ==="
sh "$PATH_TO_SRC_DIR/configure" "--prefix=$PATH_TO_PACKAGE_DIR" @CONFIGURE_OPTIONS@ --arch=${BUILD_ARCH} ${!OPTION_VARIABLE} $@
echo "=== BUILDING ==="
$MAKE_BINARY -j${JOBS} V=1
echo "=== INSTALLING ==="
$MAKE_BINARY install
}
cd "$PATH_TO_BUILD_DIR"
if [ $OSX_ARCH_COUNT -gt 0 ]; then
for ARCH in $OSX_ARCHS; do
echo "=== CLEANING FOR $ARCH ==="
$MAKE_BINARY clean && $MAKE_BINARY distclean
build_ffmpeg $ARCH --extra-cflags=-arch --extra-cflags=$ARCH --extra-ldflags=-arch --extra-ldflags=$ARCH
echo "=== COLLECTING BINARIES FOR $ARCH ==="
move_binaries $PATH_TO_PACKAGE_DIR/lib $PATH_TO_BUILD_DIR/stage/$ARCH/lib
move_binaries $PATH_TO_PACKAGE_DIR/bin $PATH_TO_BUILD_DIR/stage/$ARCH/bin
done
echo "=== MERGING ARCHITECTURES ==="
merge_binaries $PATH_TO_PACKAGE_DIR $PATH_TO_BUILD_DIR/stage $OSX_ARCHS
else
build_ffmpeg @BUILD_ARCH@
fi
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