rvm-ruby-installer in rvm-0.0.40

- old
+ new
@@ -87,13 +87,16 @@
   if [ -s ./Makefile -a -z "$rvm_re_configure" ] ; then
     __rvm_log "warn" "\tSkipping configure step, Makefile exists so configure must have already been run."
   elif [ -s ./configure ] ; then
     __rvm_log "info" "\tConfiguring $rvm_ruby_package_name using $rvm_ruby_configure, this may take a while depending on your cpu(s)..."
     if [ -d $rvm_path/usr/include/readline/ ] ; then
-      __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure --with-readline-dir=$rvm_path/usr/include/readline/"
-    else
-      __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure"
+      parameters="$parameters --with-readline-dir=$rvm_path/usr/include/readline/"
     fi
+    if [ -d $rvm_path/usr/include/iconv/ ] ; then
+      parameters="$parameters --with-iconv-dir=$rvm_path/usr/include/iconv/"
+    fi
+    __rvm_run "configure" "./configure --prefix=$rvm_ruby_home --enable-shared=true $rvm_ruby_configure $parameters"
+    unset parameters
     if [ $? -gt 0 ] ; then status=$? ; return $status ; fi
   else
     __rvm_log "error" "\tSkipping configure step, 'configure' script does not exist, did autoconf not run successfully?"
   fi
 