1 files changed, 25 insertions, 0 deletions
diff --git a/build_files/cmake/cmake_print_build_options.py b/build_files/cmake/cmake_print_build_options.py
new file mode 100644
index 00000000000..fb7a5b33bf0
--- /dev/null
+++ b/build_files/cmake/cmake_print_build_options.py
@@ -0,0 +1,25 @@
+# Apache License, Version 2.0
+
+# Simple utility that prints all WITH_* options in a CMakeLists.txt
+# Called by 'make help_features'
+
+import re
+import sys
+
+cmakelists_file = sys.argv[-1]
+
+def main():
+    options = []
+    for l in open(cmakelists_file, 'r').readlines():
+        if not l.lstrip().startswith('#'):
+            l_option = re.sub(r'.*\boption\s*\(\s*(WITH_[a-zA-Z0-9_]+)\s+\"(.*)\"\s*.*', r'\g<1> - \g<2>', l)
+            if l_option != l:
+                l_option = l_option.strip()
+                if l_option.startswith('WITH_'):
+                    options.append(l_option)
+
+    print('\n'.join(options))
+
+
+if __name__ == "__main__":
+    main()