1 files changed, 29 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/support/gmodules.py b/gnu/llvm/lldb/packages/Python/lldbsuite/support/gmodules.py
new file mode 100644
index 00000000000..5d66bd14896
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/support/gmodules.py
@@ -0,0 +1,29 @@
+from __future__ import absolute_import
+from __future__ import print_function
+
+# System modules
+import os
+import re
+
+
+GMODULES_SUPPORT_MAP = {}
+GMODULES_HELP_REGEX = re.compile(r"\s-gmodules\s")
+
+
+def is_compiler_clang_with_gmodules(compiler_path):
+    # Before computing the result, check if we already have it cached.
+    if compiler_path in GMODULES_SUPPORT_MAP:
+        return GMODULES_SUPPORT_MAP[compiler_path]
+
+    def _gmodules_supported_internal():
+        compiler = os.path.basename(compiler_path)
+        if "clang" not in compiler:
+            return False
+        else:
+            # Check the compiler help for the -gmodules option.
+            clang_help = os.popen("%s --help" % compiler_path).read()
+            return GMODULES_HELP_REGEX.search(
+                clang_help, re.DOTALL) is not None
+
+    GMODULES_SUPPORT_MAP[compiler_path] = _gmodules_supported_internal()
+    return GMODULES_SUPPORT_MAP[compiler_path]