diff --git a/posix.mak b/posix.mak
index 49d31dc0a6..a93eb8c73a 100644
--- a/posix.mak
+++ b/posix.mak
@@ -6,6 +6,14 @@ DRUNTIME_PATH = ../druntime
 PHOBOS_PATH = ../phobos
 DUB=dub
 
+RDMD_TEST_COMPILERS = $(abspath $(DMD))
+
+VERBOSE_RDMD_TEST=0
+
+ifeq ($(VERBOSE_RDMD_TEST), 1)
+	override VERBOSE_RDMD_TEST_FLAGS:=-v
+endif
+
 WITH_DOC = no
 DOC = ../dlang.org
 
@@ -110,7 +118,9 @@ test_tests_extractor: $(ROOT)/tests_extractor
 	$< -i ./test/tests_extractor/iteration.d | diff - ./test/tests_extractor/iteration.d.ext
 
 test_rdmd: $(ROOT)/rdmd_test $(ROOT)/rdmd
-	$< --compiler=$(abspath $(DMD)) -m$(MODEL)
+	$< --compiler=$(abspath $(DMD)) -m$(MODEL) \
+	   --test-compilers=$(RDMD_TEST_COMPILERS) \
+	   $(VERBOSE_RDMD_TEST_FLAGS)
 	$(DMD) $(DFLAGS) -unittest -main -run rdmd.d
 
 test: test_tests_extractor test_rdmd
diff --git a/travis.sh b/travis.sh
index 21690b7629..501a9df203 100755
--- a/travis.sh
+++ b/travis.sh
@@ -2,5 +2,13 @@
 
 set -uexo pipefail
 
-make -f posix.mak all DMD="$(which $DMD)"
-make -f posix.mak test DMD="$(which $DMD)"
+~/dlang/install.sh install ldc
+
+~/dlang/install.sh list
+
+LDMD2=$(find ~/dlang -type f -name "ldmd2")
+
+make -f posix.mak all DMD=$(which dmd)
+make -f posix.mak test DMD=$(which dmd) \
+    RDMD_TEST_COMPILERS=dmd,$LDMD2 \
+    VERBOSE_RDMD_TEST=1