diff options
| -rw-r--r-- | gnu/packages/sml.scm | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/gnu/packages/sml.scm b/gnu/packages/sml.scm index 1895d8eeee..368abf6cfa 100644 --- a/gnu/packages/sml.scm +++ b/gnu/packages/sml.scm @@ -175,10 +175,22 @@ function interface, and a symbolic debugger.") "sml.boot.amd64-unix/SMLNJ-BASIS/.cm/amd64-unix/basis-common.cm")) ;; Build. - (invoke "./config/install.sh" "-default" - (if (string=? "i686-linux" ,(%current-system)) - "32" - "64")) + ;; The `sml` executable built by this package somehow inherits the + ;; signal dispositions of the shell where it was built. If SIGINT + ;; is ignored in the shell, the resulting `sml` will also ignore + ;; SIGINT. This will break the use of Ctrl-c for interrupting + ;; execution in the SML/NJ REPL. + ;; Here, we use Guile's `system` procedure instead of Guix's + ;; `invoke` because `invoke` uses Guile's `system*`, which causes + ;; SIGINT and SIGQUIT to be ignored. + (let ((exit-code + (system (string-append "./config/install.sh -default " + (if (string=? "i686-linux" + ,(%current-system)) + "32" + "64"))))) + (unless (zero? exit-code) + (error (format #f "Exit code: ~a" exit-code)))) ;; Undo the binary patch. (for-each |