Added automatic copy of required DLLs for GitHub Actions Windows build.

Author: Charles-Mahoudeau

.github/workflows/platformio-ci.yml

@@ -220,6 +220,9 @@ jobs:
                 cp -r .pio/build/windows/*.dll build
                 cp -r storage build
 
+            - name: Copy required DLLs into artifact directory
+              run: python scripts/github_actions/windows/get_dll.py build
+
             - name: Upload artifact
               uses: actions/upload-artifact@v4
               with:

scripts/github_actions/windows/get_dll.py

@@ -0,0 +1,69 @@
+# Created by Charles Mahoudeau on 19/09/2024.
+
+
+# We could also link statically
+# https://stackoverflow.com/questions/18138635/mingw-exe-requires-a-few-gcc-dlls-regardless-of-the-code
+
+import sys
+import os
+import shutil
+
+
+REQUIRED_DLL_LIST = [
+    "libgcc_s_seh-1.dll",
+    "libstdc++-6.dll",
+    "libwinpthread-1.dll"
+]
+
+
+def get_compiler_bin_path():
+    for path_value in os.environ["PATH"].split(os.pathsep):
+        if os.path.exists(path_value + os.sep + "gcc.exe") and os.path.exists(path_value + os.sep + "g++.exe"):
+            return path_value
+
+    return None
+
+
+def get_dll_paths(compiler_bin_path):
+    paths = []
+
+    for dll_filename in REQUIRED_DLL_LIST:
+        path = compiler_bin_path + os.sep + dll_filename
+        if os.path.exists(path):
+            paths.append(path)
+            print("Found DLL:", dll_filename)
+        else:
+            print("Missing DLL:", dll_filename)
+
+    return paths
+
+def copy_files(file_paths, destination_directory):
+    for file_path in file_paths:
+        shutil.copy2(file_path, destination_directory)
+        print("Copied", file_path, "to", destination_directory)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Missing target directory in arguments.")
+        sys.exit(1)
+
+    target_dir = sys.argv[1]
+
+    if not os.path.isdir(target_dir):
+        print("Target directory is not a directory.")
+        sys.exit(1)
+
+    compiler_path = get_compiler_bin_path()
+
+    if compiler_path is None:
+        print("Unable to find a compiler.")
+        sys.exit(1)
+
+    print("Using compiler:", compiler_path)
+
+    dll_paths = get_dll_paths(compiler_path)
+
+    copy_files(dll_paths, target_dir)
+
+    print("Done.")