Add NIST validation tests for HMAC_DRBG pr=true
diff --git a/tests/Makefile b/tests/Makefile
index 3a7b986..6b5fd93 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -47,6 +47,7 @@
 		test_suite_hmac_drbg.misc						\
 		test_suite_hmac_drbg.no_reseed					\
 		test_suite_hmac_drbg.nopr						\
+		test_suite_hmac_drbg.pr							\
 		test_suite_md			test_suite_mdx			\
 		test_suite_mpi			test_suite_pbkdf2		\
 		test_suite_pkcs1_v21	test_suite_pkcs5		\
@@ -148,6 +149,10 @@
 	echo   "  Generate	$@"
 	scripts/generate_code.pl suites test_suite_hmac_drbg test_suite_hmac_drbg.nopr
 
+test_suite_hmac_drbg.pr.c : suites/test_suite_hmac_drbg.function suites/test_suite_hmac_drbg.pr.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
+	echo   "  Generate	$@"
+	scripts/generate_code.pl suites test_suite_hmac_drbg test_suite_hmac_drbg.pr
+
 %.c : suites/%.function suites/%.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
 	echo   "  Generate	$@"
 	scripts/generate_code.pl suites $* $*
@@ -284,6 +289,10 @@
 	echo   "  CC    	$@.c"
 	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@
 
+test_suite_hmac_drbg.pr: test_suite_hmac_drbg.pr.c ../library/libpolarssl.a
+	echo   "  CC    	$@.c"
+	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@
+
 test_suite_hmac_shax: test_suite_hmac_shax.c ../library/libpolarssl.a
 	echo   "  CC    	$@.c"
 	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@