# This is the recipe.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

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"
  # Patch for compiling a shared library
  patch -Np1 -i "$BPM_WORKDIR"/liblua.patch
  # Create lua pkgconfig file
  sed -e "s/%V/${BPM_PKG_VERSION%.*}/" -e "s/%R/${BPM_PKG_VERSION}/" "$BPM_WORKDIR"/lua.pc.in > lua.pc
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  make MYCFLAGS="$CFLAGS -fPIC" MYLDFALGS="$LDFLAGS" linux
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  make test
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make INSTALL_TOP="$BPM_OUTPUT"/usr INSTALL_DATA="cp -d" INSTALL_MAN="$BPM_OUTPUT"/usr/share/man/man1 TO_LIB="liblua.so liblua.so.${BPM_PKG_VERSION%.*} liblua.so.${BPM_PKG_VERSION}" DESTDIR="$BPM_OUTPUT" install

  # Install pkg-config file
  install -Dm644 lua.pc "$BPM_OUTPUT"/usr/lib/pkgconfig/lua.pc

  # Install documentation
  install -d "$BPM_OUTPUT"/usr/share/doc/lua
  install -m644 doc/*.{png,css,html} "$BPM_OUTPUT"/usr/share/doc/lua

  # Install license
  install -Dm644 "$BPM_SOURCE"/doc/readme.html "$BPM_OUTPUT"/usr/share/licenses/lua/readme.html
}