yap-6.3/packages/swig/configure.in

AC_ARG_WITH(swig,
	[ --with-swig[=DIR]              swig interface generator],
	if test "$withval" = yes; then
            SWIG=swig
	    yap_cv_swig=yes
	elif test "$withval" = no; then
	    yap_cv_swig=no
	else
	    SWIG=$withval
	    yap_cv_swig=yes
	fi,
	[yap_cv_swig=no])

if test "$yap_cv_swig" = "no"; then
    SWIG_TARGET="dummy"
    PKG_SWIG=""
elif test -e "$srcdir"/packages/swig/Makefile.in ; then
    SWIG_TARGET="all"
    PKG_SWIG="packages/swig"
fi

if test "$PKG_SWIG" != ""; then

mkdir -p packages/swig/android
mkdir -p packages/swig/android/usr
mkdir -p packages/swig/python
mkdir -p packages/swig/R
mkdir -p packages/swig/java
mkdir -p packages/swig/jni

AC_SUBST(SWIG)
AC_SUBST(SWIG_TARGET)
AC_SUBST(PKG_SWIG)

AC_CONFIG_FILES([  packages/swig/Makefile packages/swig/Android.mk ])
fi