Add python script to copy mingw dll dependencies

Author: Jarod42

.github/workflows/msys2.yml

@@ -49,20 +49,18 @@ jobs:
       run: |
         mkdir ccccc
         cp bin/gmake2/Release/ccccc.exe ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libffi-*.dll       ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libgcc_s_seh-*.dll ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libiconv-*.dll     ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libLLVM-*.dll      ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/liblzma-*.dll      ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libstdc++-*.dll    ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libwin*thread-*.dll ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libxml2-*.dll      ccccc/
-        cp /D/a/_temp/msys64/mingw64/bin/libzstd.dll        ccccc/ 
-        cp /D/a/_temp/msys64/mingw64/bin/zlib1.dll          ccccc/ 
+        python mingw_deploy.py ccccc/ccccc.exe
 
     - name: Upload ccccc
       uses: actions/upload-artifact@v4
       with:
         name: ccccc
         path: |
-            ccccc/*.*
+            ccccc/*.exe
+
+    - name: Upload ccccc dependencies
+      uses: actions/upload-artifact@v4
+      with:
+        name: ccccc_dll
+        path: |
+            ccccc/*.dll

.github/workflows/msys2_release.yml

@@ -47,16 +47,7 @@ jobs:
       run: |
         mkdir ccccc
         cp bin/gmake2/Release/ccccc.exe ./
-        cp /D/a/_temp/msys64/mingw64/bin/libffi-*.dll        ./
-        cp /D/a/_temp/msys64/mingw64/bin/libgcc_s_seh-*.dll  ./
-        cp /D/a/_temp/msys64/mingw64/bin/libiconv-*.dll      ./
-        cp /D/a/_temp/msys64/mingw64/bin/libLLVM-*.dll       ./
-        cp /D/a/_temp/msys64/mingw64/bin/liblzma-*.dll       ./
-        cp /D/a/_temp/msys64/mingw64/bin/libstdc++-*.dll     ./
-        cp /D/a/_temp/msys64/mingw64/bin/libwin*thread-*.dll ./
-        cp /D/a/_temp/msys64/mingw64/bin/libxml2-*.dll       ./
-        cp /D/a/_temp/msys64/mingw64/bin/libzstd.dll         ./
-        cp /D/a/_temp/msys64/mingw64/bin/zlib1.dll           ./
+        python mingw_deploy.py ccccc.exe
 
     - name: Upload ccccc
       uses: actions/upload-artifact@v4

mingw_deploy.py

@@ -0,0 +1,40 @@
+import ntpath
+import os
+import shutil
+import subprocess
+import sys
+
+def usage():
+	print('mingw_deploy application [target-directory]')
+	print()
+	print('copy dependent mingw dlls needed by application in target-directory (default to near the application)')
+	sys.exit(-1)
+
+# main
+if __name__ == "__main__":
+	if len(sys.argv) < 2 or len(sys.argv) > 3:
+		print('invalid argument')
+		usage()
+	application = sys.argv[1]
+	target_directory = len(sys.argv) > 2 and sys.argv[2] or os.path.dirname(application)
+	if not os.path.exists(application):
+		print(application, "not found")
+		exit(-1)
+	
+	# Retrieve dependencies from mingw
+	# so the ones from $(InstallPath)\msys64\mingw32\bin\$(dependencies.dll)
+	ret = subprocess.run(['cygcheck', application], capture_output=True)
+	dlls = [
+		line.strip() for line in ret.stdout.decode().split('\n')
+		  if line.find('clang32') != -1
+			or line.find('clang64') != -1
+			or line.find('mingw32') != -1
+			or line.find('mingw64') != -1
+			or line.find('ucrt64') != -1
+	]
+	# copy dlls in target-directory
+	if len(dlls) > 0:
+		print("copy in", target_directory)
+		for file in dlls:
+			shutil.copyfile(ntpath.abspath(file), target_directory + '/' + ntpath.basename(file))
+			print(file, "copied")