Bring some 'configure' script improvements over from Non-DAW.

scripts/config-funcs

@@ -1,11 +1,26 @@
 #!/bin/sh
+
+# Copyright (C) 2008 Jonathan Moore Liles                                     #
+#                                                                             #
+# This program is free software; you can redistribute it and/or modify it     #
+# under the terms of the GNU General Public License as published by the       #
+# Free Software Foundation; either version 2 of the License, or (at your      #
+# option) any later version.                                                  #
+#                                                                             #
+# This program is distributed in the hope that it will be useful, but WITHOUT #
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for   #
+# more details.                                                               #
+#                                                                             #
+# You should have received a copy of the GNU General Public License along     #
+# with This program; see the file COPYING.  If not,write to the Free Software #
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  #
 #
-# Copyright (C) 2008 Jonathan Moore Liles
-# This file is licensed under version 2 of the GPL.
 
 . scripts/colors
 
-# support functions for 'configure' scripts.
+#####
+## support functions for 'configure' scripts.
 
 fatal ()
 {
@@ -106,6 +121,8 @@ ask ()
     fi
 
     append "${2}=${A:-$D}"
+
+    eval "${2}='${A:-$D}'"
 }
 
 ok ()
@@ -256,7 +273,7 @@ require_package ()
     fi
 
     name="`upcase \"$1\"`"
-    append "${name}_LIBS=`pkg-config --libs $3`"
+    append "${name}_LIBS=`pkg-config --libs $3 | sed 's/,\\?--as-needed//g'`"
     append "${name}_CFLAGS=-DHAVE_${1} `pkg-config --cflags $3`"
 
     ok `pkg-config --modversion "$3"`
@@ -310,6 +327,6 @@ require_FLTK ()
         use="$use --use-$1"
     done
 
-    append "FLTK_LIBS=`fltk-config $use --ldflags`"
+    append "FLTK_LIBS=`fltk-config $use --ldflags | sed 's/,\\?--as-needed//g'`"
     append "FLTK_CFLAGS=`fltk-config $use --cflags`"
 }