improve v2-boost.py

CMakeLists.txt

@@ -6,6 +6,11 @@ cmake_minimum_required(VERSION 3.5...3.16)
 
 project(boost_openmethod VERSION 1.87.0 LANGUAGES CXX)
 
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 17)
+endif()
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
 add_library(boost_openmethod INTERFACE)
 add_library(Boost::openmethod ALIAS boost_openmethod)
 

dev/v2-boost.py

@@ -4,6 +4,8 @@
 from pathlib import Path
 import re
 from subprocess import check_call
+import subprocess
+import sys
 
 BOOST_NAME = "openmethod"
 BOOST_INCLUDE = Path("include", "boost", BOOST_NAME)
@@ -21,6 +23,13 @@
     ("YOMM2_CLASS(ES)?|register_class(es)?", "BOOST_OPENMETHOD_CLASSES"),
 )
 
+modified = subprocess.check_output(
+    "git diff --name-only include/boost test".split(), encoding="ascii"
+)
+
+if modified:
+    sys.exit("Output directories have unstaged changes:\n" + modified)
+
 
 def skip(path):
     for skip in SKIP:
@@ -30,8 +39,6 @@ def skip(path):
     return False
 
 
-writeable = []
-
 for from_path in list(YOMM2_INCLUDE.rglob("*.hpp")) + list(YOMM2_TESTS.rglob("*.?pp")):
     if skip(from_path):
         continue
@@ -54,20 +61,9 @@ def skip(path):
 
     to_path.parent.mkdir(parents=True, exist_ok=True)
 
-    if to_path.exists():
-        if os.access(to_path, os.W_OK):
-            print("file is writeable, skipping")
-            writeable.append(to_path)
-            continue
-        os.chmod(to_path, 0o744)
-
     with to_path.open("w") as f:
         f.write(content)
 
     check_call(["clang-format", "-i", str(to_path)])
 
-    os.chmod(to_path, 0o444)
     print("done")
-
-if writeable:
-    print("Skipped because writeable:", *writeable)

test/Jamfile

@@ -22,7 +22,7 @@ project
   ;
 
 # list
-run blackbox.cpp ;
+run test_blackbox.cpp ;
 
 # quick (for CI)
 alias quick : blackbox ;