# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

DOWNLOAD="https://storage.googleapis.com/aom-releases/libaom-${BPM_PKG_VERSION}.tar.gz"
FILENAME="${DOWNLOAD##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  cmake -B build-aom                \
        -DCMAKE_INSTALL_PREFIX=/usr \
        -DCMAKE_BUILD_TYPE=Release  \
        -DBUILD_SHARED_LIBS=1       \
        -DENABLE_DOCS=no            \
        -DENABLE_NASM=yes
  cmake --build build-aom
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  DESTDIR="$BPM_OUTPUT" cmake --install build-aom

  # Remove static library
  rm -v "$BPM_OUTPUT"/usr/lib/libaom.a

  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/libaom/LICENSE
}