This is an example:

  $ tar xJvf jsmin-0.0.1.tar.xz
  $ cd jsmin-0.0.1

  $ CC=/opt/toolchain/mipsel-BCM74X-linux-eglibc/1.0.8/bin/mipsel-bcm74x-linux-gnu-gcc \
    ./configure --prefix=/usr                                                          \
                --target=mipsel-bcm74x-linux-gnu                                       \
                --host=mipsel-bcm74x-linux-gnu

  $ make
  $ make install [DESTDIR=dir]