Route build shell commands through sh on Windows

Chez's system/process use cmd.exe on nt; every build command here is
written for sh. bld-sh-wrap spills the command to a temp script and runs
sh on it (no cmd quoting), identity on other platforms.
This commit is contained in:
Yogthos 2026-07-02 15:33:11 -04:00
parent 0afd2095e3
commit 24c2280246

View file

@ -23,7 +23,7 @@
;; --- shell helpers ---------------------------------------------------------- ;; --- shell helpers ----------------------------------------------------------
;; Run a command, return its stdout as one trimmed string ("" on no output). ;; Run a command, return its stdout as one trimmed string ("" on no output).
(define (bld-sh-capture cmd) (define (bld-sh-capture cmd)
(let* ((p (process cmd)) (in (car p))) (let* ((p (process (bld-sh-wrap cmd))) (in (car p)))
(let loop ((acc '())) (let loop ((acc '()))
(let ((l (get-line in))) (let ((l (get-line in)))
(if (eof-object? l) (if (eof-object? l)
@ -37,7 +37,7 @@
(loop (cons l acc))))))) (loop (cons l acc)))))))
(define (bld-system cmd) (define (bld-system cmd)
(let ((rc (system cmd))) (let ((rc (system (bld-sh-wrap cmd))))
(unless (zero? rc) (unless (zero? rc)
(error 'jolt-build (string-append "command failed (" (number->string rc) "): " cmd))))) (error 'jolt-build (string-append "command failed (" (number->string rc) "): " cmd)))))
@ -59,6 +59,23 @@
(define bld-osx? (bld-contains? bld-machine "osx")) (define bld-osx? (bld-contains? bld-machine "osx"))
(define bld-nt? (bld-contains? bld-machine "nt")) (define bld-nt? (bld-contains? bld-machine "nt"))
;; Chez's system/process run through cmd.exe on Windows; every build command
;; here is written for sh (MSYS2 provides it). On nt, spill the command to a
;; script and run `sh <file>` — workspace paths carry no spaces, and the
;; script file sidesteps cmd's quoting entirely. Identity elsewhere.
(define bld-shell-counter 0)
(define (bld-sh-wrap cmd)
(if bld-nt?
(let* ((tmp (or (getenv "TEMP") (getenv "TMP") "."))
(f (begin (set! bld-shell-counter (+ bld-shell-counter 1))
(string-append tmp "\\jolt-sh-"
(number->string bld-shell-counter) ".sh"))))
(let ((p (open-output-file f 'replace)))
(put-string p cmd)
(close-port p))
(string-append "sh " f))
cmd))
;; The Chez executable, for the isolated compile pass (see build-binary step 4). ;; The Chez executable, for the isolated compile pass (see build-binary step 4).
(define bld-chez (define bld-chez
(let ((p (bld-sh-capture "command -v chez || command -v scheme || command -v petite"))) (let ((p (bld-sh-capture "command -v chez || command -v scheme || command -v petite")))