edit ffmpeg configure file

scripts/cibuildpkg.py

@@ -106,6 +106,22 @@ def run(cmd, env=None):
         raise e
 
 
+def correct_configure(file_path):
+    """
+    Edit ffmpeg's configure file. Properly quote `$pkg_version` in function `test_pkg_config()`.
+    """
+    old_string = 'test_cmd $pkg_config --exists --print-errors $pkg_version || return'
+    new_string = 'test_cmd $pkg_config --exists --print-errors "$pkg_version" || return'
+
+    with open(file_path, 'r') as file:
+        content = file.read()
+
+    updated_content = content.replace(old_string, new_string)
+
+    with open(file_path, 'w') as file:
+        file.write(updated_content)
+
+
 @dataclass
 class Package:
     name: str
@@ -220,6 +236,9 @@ def _build_with_autoconf(self, package: Package, for_builder: bool) -> None:
             elif platform.system() == "Windows":
                 configure_args += ["--target=x86_64-win64-gcc"]
 
+        if package.name == "ffmpeg" and platform.system() == "Windows":
+            correct_configure(os.path.join(package_source_path, "configure"))
+
         # build package
         os.makedirs(package_build_path, exist_ok=True)
         with chdir(package_build_path):