1 files changed, 142 insertions, 0 deletions
diff --git a/vcpkg/ports/ffmpeg/build.sh.in b/vcpkg/ports/ffmpeg/build.sh.in
new file mode 100644
index 0000000..fd794d4
--- /dev/null
+++ b/vcpkg/ports/ffmpeg/build.sh.in
@@ -0,0 +1,142 @@
+#!/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