+2012-12-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ Allow spaces in some configuration vars (Bug#13078).
+ * configure.ac (srcdir): Don't assume $PWD lacks spaces.
+ (srcdir, MAKEINFO, PKG_CONFIG, PKG_CONFIG_MIN_VERSION):
+ All uses quoted, to allow spaces in these vars.
+
2012-12-08 Paul Eggert <eggert@cs.ucla.edu>
Use putenv+unsetenv instead of modifying environ directly (Bug#13070).