cmark

diff --git a/.travis.yml b/.travis.yml
@@ -29,10 +29,5 @@ script:
  - |
      if [ ${TRAVIS_OS_NAME:-'linux'} = 'linux' ]
      then
-         make roundtrip_test
-     fi
- - |
-     if [ ${TRAVIS_OS_NAME:-'linux'} = 'linux' ]
-     then
          make leakcheck
      fi

diff --git a/Makefile b/Makefile
@@ -128,9 +128,6 @@ update-spec:
 test: $(SPEC) cmake_build
 	make -C $(BUILDDIR) test || (cat $(BUILDDIR)/Testing/Temporary/LastTest.log && exit 1)
 
-roundtrip_test: $(SPEC) cmake_build
-	python3 test/spec_tests.py --spec $< --prog test/roundtrip.sh
-
 $(ALLTESTS): $(SPEC)
 	python3 test/spec_tests.py --spec $< --dump-tests | python3 -c 'import json; import sys; tests = json.loads(sys.stdin.read()); print("\n".join([test["markdown"] for test in tests]))' > $@
 

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -16,6 +16,9 @@ if (WIN32)
   set_tests_properties(api_test PROPERTIES
     ENVIRONMENT "PATH=${WIN_DLL_DIR};$ENV{PATH}"
     )
+  set(ROUNDTRIP,"${CMAKE_CURRENT_SOURCE_DIR}/roundtrip.bat")
+else(WIN32)
+  set(ROUNDTRIP,"${CMAKE_CURRENT_SOURCE_DIR}/roundtrip.sh")
 endif(WIN32)
 
 IF (PYTHONINTERP_FOUND)
@@ -43,6 +46,14 @@ IF (PYTHONINTERP_FOUND)
     ${PYTHON_EXECUTABLE} "${CMAKE_CURRENT_SOURCE_DIR}/spec_tests.py" "--no-normalize" "--spec" "${CMAKE_CURRENT_SOURCE_DIR}/smart_punct.txt" "--program" "${CMAKE_CURRENT_BINARY_DIR}/../src/cmark --smart"
     )
 
+  add_test(roundtriptest_executable
+    ${PYTHON_EXECUTABLE}
+    "${CMAKE_CURRENT_SOURCE_DIR}/spec_tests.py" "--no-normalize"
+    "--spec" "${CMAKE_CURRENT_SOURCE_DIR}/spec.txt" "--program"
+    "${ROUNDTRIP} ${CMAKE_CURRENT_BINARY_DIR}/../src/cmark"
+    )
+
+
 ELSE(PYTHONINTERP_FOUND)
 
   message("\n*** A python 3 interpreter is required to run the spec tests.\n")

diff --git a/test/roundtrip.bat b/test/roundtrip.bat
@@ -0,0 +1 @@
+"%1" -t commonmark | "%1"

diff --git a/test/roundtrip.sh b/test/roundtrip.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-./build/src/cmark -t commonmark | ./build/src/cmark
+"$1" -t commonmark | "$1"