Fix build for newer libwebp versions

Previous attempts at building resulted in undefined references to
functions such as SharpYuvGetConversionMatrix. This was fixed by
changing the order of arguments to the linker (via extra_objects).

webp_build/builder.py

@@ -22,8 +22,8 @@
 def get_arch() -> str:
  """Get the Conan compilation target architecture.
 
- If not explicitly set using the `PYWEBP_COMPILE_TARGET` environment variable, this will be determined using the
- host machine's platform information.
+ If not explicitly set using the `PYWEBP_COMPILE_TARGET` environment variable, this will be
+ determined using the host machine's platform information.
  """
  env_arch = os.getenv('PYWEBP_COMPILE_TARGET', '')
  if env_arch:
@@ -63,18 +63,18 @@ def install_libwebp(arch: str) -> dict:
  settings.append(f'arch={arch}')
 
  build = ['missing']
- if os.path.isdir('/lib') and len([i for i in os.listdir('/lib') if i.startswith('libc.musl')]) != 0:
+ if os.path.isdir('/lib') and any(e.startswith('libc.musl') for e in os.listdir('/lib')):
  # Need to compile libwebp if musllinux
  build.append('libwebp*')
- 
+
  if (
  not shutil.which('cmake') and (
  platform.architecture()[0] == '32bit' or
  platform.machine().lower() not in (CONAN_ARCHS['armv8'] + CONAN_ARCHS['x86'])
  )
  ):
  build.append('cmake*')
- 
+
  subprocess.run(['conan', 'profile', 'detect'])
 
  conan_output = os.path.join('conan_output', arch)
@@ -86,7 +86,7 @@ def install_libwebp(arch: str) -> dict:
  '-of', conan_output, '--deployer=direct_deploy', '--format=json', '.'
  ], stdout=subprocess.PIPE).stdout.decode()
  conan_info = json.loads(result)
- 
+
  return conan_info
 
 
@@ -97,7 +97,7 @@ def fetch_cffi_settings(conan_info: dict, cffi_settings: dict):
  if dep.get('package_folder') is None:
  continue
 
- for cpp_info in reversed(dep['cpp_info'].values()):
+ for cpp_info in dep['cpp_info'].values():
  for include_dir in (cpp_info.get('includedirs') or []):
  if include_dir not in cffi_settings['include_dirs']:
  cffi_settings['include_dirs'].append(include_dir)