A recent update of haskell-gtk, I believe, has broken haskell-chart: [root@tramp ~]# pacman -S haskell-chart warning: haskell-chart-0.14-22 is up to date -- reinstalling resolving dependencies... looking for inter-conflicts... Targets (1): haskell-chart-0.14-22 Total Download Size: 0.00 MB Total Installed Size: 13.21 MB Proceed with installation? [Y/n] y (1/1) checking package integrity [#######################] 100% (1/1) checking for file conflicts [#######################] 100% ghc-pkg: cannot find package Chart-0.14 error: command failed to execute correctly (1/1) upgrading haskell-chart [#######################] 100% Reading package info from stdin ... done. Chart-0.14: dependency "gtk-0.12.1-1f324b14e956836525290e5acd551748" doesn't exist (use --force to override) [root@tramp ~]# -- Gregory D. Weber, Ph. D. : Associate Professor of Informatics / \ Indiana University East 0 : Tel. (765) 973-8420; FAX (765) 973-8550 / \ http://mypage.iu.edu/~gdweber/ 1 []