Configuring cairo-0.12.0...
setup.exe: The program pkg-config version >=0.9.0 is required but it could not
be found.
cabal: Error: some packages failed to install:
cairo-0.12.0 failed during the configure step. The exception was:
ExitFailure 1
那么如何在 Windows 上获取 pkg-config 或如何安装 cairo 呢?