add 4 io

hc

2023-08-21 ef9e1ccebba20d2e3859126411166909a383f483

1
2
# From http://ftp.gnome.org/pub/gnome/sources/cairomm/1.12/cairomm-1.12.0.sha256sum
sha256    a54ada8394a86182525c0762e6f50db6b9212a2109280d13ec6a0b29bfd1afe6    cairomm-1.12.0.tar.xz