(defun c-escape (string &optional (dangerous-chars '(#\")) (escape-char #\\))
"Escape DANGEROUS-CHARS in STRING, with ESCAPE-CHAR."
+ (declare (simple-string string))
(coerce (loop for c across string
if (member c dangerous-chars) collect escape-char
collect c)
(dolist (def definitions)
(destructuring-bind (type lispname cname &optional doc export) def
(case type
- (:integer
+ ((:integer :errno)
(as-c "#ifdef" cname)
(printf "(cl:defconstant ~A %d \"~A\")" lispname doc
cname)
+ (when (eql type :errno)
+ (printf "(cl:setf (get '~A 'errno) t)" lispname))
(as-c "#else")
(printf "(sb-int:style-warn \"Couldn't grovel for ~A (unknown to the C compiler).\")" cname)
(as-c "#endif"))
(funcall (intern "C-CONSTANTS-EXTRACT" (find-package "SB-GROVEL"))
filename tmp-c-source (constants-package component))
(unless (do-not-grovel component)
- (let* ((cc (or (sb-ext:posix-getenv "CC")
+ (let* ((cc (or (and (string/= (sb-ext:posix-getenv "CC") "")
+ (sb-ext:posix-getenv "CC"))
;; It might be nice to include a CONTINUE or
;; USE-VALUE restart here, but ASDF seems to insist
;; on handling the errors itself.