--- octave-3.0.3/configure.in.orig	2008-09-24 09:13:46.000000000 +0200
+++ octave-3.0.3/configure.in	2009-04-01 16:05:37.973461000 +0200
@@ -427,7 +427,7 @@
 ## check for pcre-config, and if so, set CPPFLAGS appropriately
 AC_CHECK_PROG(WITH_PCRE_CONFIG, pcre-config, yes, no)
 if test $WITH_PCRE_CONFIG = yes ; then
-  CPPFLAGS="$CPPFLAGS $(pcre-config --cflags)"
+  CPPFLAGS="$CPPFLAGS `pcre-config --cflags`"
 fi
 
 ## NB: no need to do separate check for pcre.h header -- checking macros is good enough
@@ -445,7 +445,7 @@
 if test $WITH_PCRE = yes; then
   AC_DEFINE(HAVE_PCRE, 1, [Define if PCRE is available.])
   if test $WITH_PCRE_CONFIG = yes; then
-    REGEX_LIBS=$(pcre-config --libs)
+    REGEX_LIBS=`pcre-config --libs`
   else
     REGEX_LIBS=-lpcre
   fi