cd build
  cmake .. \
    -G "Unix Makefiles" \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib${LIBDIRSUFFIX} \
    -DCMAKE_INSTALL_INCLUDEDIR=include \
    -DCMAKE_BUILD_TYPE=Release \
    -DENABLE_NASM=1 \
    -DENABLE_DOCS=0 \
    -DBUILD_SHARED_LIBS=1 \
    -DENABLE_TESTS=0
  make -j1
  make install DESTDIR=$PKG