diff options
Diffstat (limited to 'src/ChezScheme/rktboot/machine-def.rkt')
| -rw-r--r-- | src/ChezScheme/rktboot/machine-def.rkt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/ChezScheme/rktboot/machine-def.rkt b/src/ChezScheme/rktboot/machine-def.rkt new file mode 100644 index 0000000000..572a4e7e26 --- /dev/null +++ b/src/ChezScheme/rktboot/machine-def.rkt @@ -0,0 +1,28 @@ +#lang racket/base +(require (only-in racket/file file->string)) + +(provide open-file-with-machine.def-redirect) + +(define (open-file-with-machine.def-redirect filename target-machine dir) + (define (build-path* dir f) (if (eq? dir 'same) f (build-path dir f))) + (cond + [(equal? filename "machine.def") + (define def (string-append target-machine ".def")) + (cond + [(file-exists? (build-path* dir def)) (open-input-file (build-path* dir def))] + [else + ;; synthesize a default ".def" file from "[t]unix.def" + (define def (if (regexp-match? #rx"^t" target-machine) "tunix.def" "unix.def")) + (let* ([s (file->string (build-path* dir def))] + [s (regexp-replace* #rx"[$][(]M[)]" s target-machine)] + [s (regexp-replace* #rx"[$][(]March[)]" s + (cond + [(regexp-match? #rx"^t?a6" target-machine) "a6"] + [(regexp-match? #rx"^t?i3" target-machine) "i3"] + [(regexp-match? #rx"^t?arm32" target-machine) "arm32"] + [(regexp-match? #rx"^t?arm64" target-machine) "arm64"] + [(regexp-match? #rx"^t?ppc32" target-machine) "ppc32"] + [else (error "machine.def: cannto infer architecture")]))]) + (open-input-string s))])] + [else + (open-input-file (build-path* dir filename))])) |