diff -u plr-0.6.2/debian/rules plr-0.6.2/debian/rules
--- plr-0.6.2/debian/rules
+++ plr-0.6.2/debian/rules
@@ -28,6 +28,7 @@
 	for v in 8.1; do \
 	    mkdir build-$$v; \
 	    tar -C build-$$v -xzf plr-*.tar.gz; \
+	    cd build-$$v; patch -N -p1 < ../debian/patches/R_HOME_default.patch; \
 	done
 	touch unpack-stamp
 
diff -u plr-0.6.2/debian/changelog plr-0.6.2/debian/changelog
--- plr-0.6.2/debian/changelog
+++ plr-0.6.2/debian/changelog
@@ -1,3 +1,10 @@
+plr (1:0.6.2-4ubuntu1.2) feisty-proposed; urgency=low
+
+  * SRU for LP: #130059, list of changes:
+    - Fall back to /usr/lib/R if R_HOME is not defined
+
+ -- Luca Falavigna <dktrkranz@ubuntu.com>  Fri, 24 Aug 2007 21:45:27 +0200
+
 plr (1:0.6.2-4ubuntu1.1) feisty-proposed; urgency=low
 
   * SRU: Provide missing files /usr/lib/postgresql/8.1/lib/plr.so and
only in patch2:
unchanged:
--- plr-0.6.2.orig/debian/patches/R_HOME_default.patch
+++ plr-0.6.2/debian/patches/R_HOME_default.patch
@@ -0,0 +1,25 @@
+diff -Nur plr/plr/plr.c plr.new/plr/plr.c
+--- plr/plr/plr.c	2007-08-24 21:39:57.000000000 +0200
++++ plr.new/plr/plr.c	2007-08-24 21:43:00.000000000 +0200
+@@ -278,6 +278,9 @@
+ 	/* refuse to start if R_HOME is not defined */
+ 	r_home = getenv("R_HOME");
+ 	if (r_home == NULL)
++		setenv("R_HOME", R_HOME_FALLBACK, 1);
++	r_home = getenv("R_HOME");
++	if (r_home == NULL)
+ 		ereport(ERROR,
+ 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
+ 				 errmsg("environment variable R_HOME not defined"),
+diff -Nur plr/plr/plr.h plr.new/plr/plr.h
+--- plr/plr/plr.h	2005-03-31 02:02:35.000000000 +0200
++++ plr.new/plr/plr.h	2007-08-24 21:43:43.000000000 +0200
+@@ -77,6 +77,8 @@
+ #undef ELOG_H
+ #include "utils/elog.h"
+ 
++#define R_HOME_FALLBACK	"/usr/lib/R"
++
+ /* working with postgres 7.3 compatible sources */
+ #if (CATALOG_VERSION_NO <= 200211021)
+ #define PG_VERSION_73_COMPAT