X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/4539aedf46acf09af752d7c7a36a0de0ae5ca4be..5d6e08211c9e243d529046e9089a45e8a38f271a:/tools/config.lisp

diff --git a/tools/config.lisp b/tools/config.lisp
index 1623a57..1a3e518 100644
--- a/tools/config.lisp
+++ b/tools/config.lisp
@@ -1,83 +1,189 @@
+(defpackage #:pkg-config
+  (:use #:common-lisp #:clg-utils #+(or cmu clisp) #:ext #+sbcl #:sb-ext)
+  #+sbcl
+  (:import-from #:sb-int #:featurep)
+  (:export #:pkg-cflags #:pkg-libs #:pkg-exists-p #:pkg-version
+           #:pkg-variable #:pkg-libdir #:tmpname)
+  (:export #:featurep #:sbcl>= #:sbcl< #:clisp>=))
+
+(in-package #:pkg-config)
+
 (defparameter *pkg-config* "pkg-config")
 
-(defun split-string (string &key (start 0) (end (length string)))
-  (let ((position (position #\sp string :start start :end end)))
-    (cond
-     ((zerop (- end start)) nil)
-     ((not position) (list (subseq string start end)))
-     ((= position start) (split-string string :start (1+ start) :end end))
-     (t	(cons
-	 (subseq string start position)
-	 (split-string string :start (1+ position) :end end))))))
-
-
-(defun read-lines (&optional (stream *standard-input*))
-  (let ((line (read-line stream nil)))
-    (when line
-      (cons line (read-lines stream)))))
-
-
-(defun read-string (&optional (stream *standard-input*)
-		    (delimiter #\newline) (eof-error-p t) eof-value)
-  (let ((string (make-array 0 :element-type 'character
-			    :fill-pointer t :adjustable t)))
-    ;; I really need to learn how to use the loop facility
-    (labels ((read-chars ()
-               (let ((char (read-char stream (and eof-error-p delimiter))))
-		 (when char
-		   (vector-push-extend char string)
-		   (unless (eq char delimiter)
-		     (read-chars))))))
-      (read-chars))
-    (cond
-     ((not (zerop (length string))) string)
-     ((not eof-error-p) eof-value)
-     ((error 'end-of-file :stream stream)))))
-
-
-(defun run-pkg-config (package error &rest options)
-  (let ((process
-	 (run-program
-	  *pkg-config* (cons package options) :wait t :output :stream)))
-    (unless process
-      (error "Unable to run ~A" *pkg-config*))
-    (let ((exit-code (process-exit-code process)))
-      (unless (or (not error) (zerop exit-code))
-	(error
-	 (or
-	  (read-string (process-error process) nil)
-	  (format nil "~A terminated with exit code ~A"
-		  *pkg-config* exit-code))))
-      (let ((output (read-lines (process-output process))))	  
-	(process-close process)
-	(values output exit-code)))))
+
+(defun tmpname (suffix)
+  (format nil "~Aclg-~A-~A"
+   #-win32 "/tmp/" #+win32 "c:/temp/" 
+   #+sbcl(sb-posix:getpid)
+   #+cmu(unix:unix-getpid)
+   #+clisp(os:process-id)   
+   suffix))
+
+(defun run-pkg-config (package error-p &rest options)
+  (let ((outname (tmpname "pkg-config")))
+    (unwind-protect
+	(let* ((asdf::*verbose-out* nil)
+	       (exit-code 
+		(asdf:run-shell-command 
+		 "~A ~A ~:[~;--print-errors ~]~{~A ~} >~A 2>&1"
+		 *pkg-config* package error-p options outname)))
+	  (cond
+	   ((= exit-code 127) (error "Unable to run ~A" *pkg-config*))
+	   ((and error-p (not (zerop exit-code)))
+	    (with-open-file (output outname)
+	      (let ((errmsg (read-lines output)))
+		(error
+		 (if (not errmsg)
+		     (format nil "~A terminated with exit code ~A" *pkg-config* exit-code)
+		   (format nil "~A: ~{~A~%~}" *pkg-config* errmsg))))))
+	   (t
+	    (values 
+	     (with-open-file (output outname)
+	       (read-lines output))
+	     exit-code))))
+      (delete-file outname))))
 
 
 (defun pkg-cflags (package)
   (split-string (first (run-pkg-config package t "--cflags"))))
 
+(defun pkg-libs (package)
+  (split-string (first (run-pkg-config package t "--libs"))))
+
+
+;; With
+;;   (let ((version-check
+;; 	 (cond
+;; 	  (version (format nil "= ~A" version))
+;; 	  (atleast-version (format nil ">= ~A" atleast-version))
+;; 	  (max-version (format nil "<= ~A" max-version))
+;; 	  (t ""))))
+;;     ...)
+;; when running
+;;   (PKG-EXISTS-P "glib-2.0" :ATLEAST-VERSION "2.4.0" :ERROR T)
+;; the EXIT-CODE in RUN-PKG-CONFIG will be 1 on ms windows and 0 on linux
+
+;; Both on ms windows and linux
+;;   "pkg-config glib-2.0 --print-errors -exists >=2.4.0" is O.K. but
+;;   "pkg-config glib-2.0 --print-errors -exists >= 2.4.0" prints out
+;;     an error message.
+;; However,
+;;   "pkg-config glib-2.0 --print-errors -exists =2.12.11" prints out
+;;     an error message but
+;;   "pkg-config glib-2.0 --print-errors -exists = 2.12.11" is O.K.
+;; We can get around this problem by using
+;;   (let ((version-check
+;; 	 (cond
+;; 	  (version (format nil "--exact-version=~A" version))
+;; 	  (atleast-version (format nil "--atleast-version=~A" atleast-version))
+;; 	  (max-version (format nil "--max-version=~A" max-version))
+;; 	  (t ""))))
+;;     ...)
+;;  - cph 17-May-2007
+
+;; Could the problem with --exists on win32 be caused by improper quoting?
+;; Since --exact-version, --atleast-version and --max-version doesn't print
+;; any error message, we stick to --exists on non Win32 platforms.
+;;  - esj 2007-06-14
+
+
+;; --fix: in win32 sbcl
+;;        (pkg-exists-p "glib-2.0" :version "3.12.11" :error t)
+;;        will hang indefinitely.   - cph 17-May-2007
 
-(defun pkg-exists-p (package &key version atleast-version max-version
-		     ( error t))
+(defun pkg-exists-p (package &key version atleast-version max-version error)
   (let ((version-check
 	 (cond
-	  (version (format nil "= ~A" version))
-	  (atleast-version (format nil ">= ~A" atleast-version))
-	  (max-version (format nil "<= ~A" max-version))
+	  (version 
+	   #-win32(format nil "--exists \"= ~A\"" version)
+	   #+win32(format nil "--exact-version=~A" version))
+	  (atleast-version 
+	   #-win32(format nil "--exists \">= ~A\"" atleast-version)
+	   #+win32(format nil "--atleast-version=~A" atleast-version))
+	  (max-version 
+	   #-win32(format nil "--exists \"<= ~A\"" max-version)
+	   #+win32(format nil "--max-version=~A" max-version))
 	  (t ""))))
-    (if error
-	(progn
-	  (run-pkg-config package t "--print-errors" "--exists" version-check)
-	  t)
-      (multiple-value-bind (output exit-code)
-	  (run-pkg-config package nil "--exists" version-check)
-	(declare (ignore output))
-	(zerop exit-code)))))
-
+    (zerop (nth-value 1 (run-pkg-config package error version-check)))))
 
 (defun pkg-version (package)
   (first (run-pkg-config package t "--modversion")))
 
-
 (defun pkg-variable (package variable)
   (first (run-pkg-config package t "--variable" variable)))
+
+(defun pkg-libdir (package)
+  #-win32
+  (pkg-variable package "libdir")
+  #+win32
+  (let ((ldir (pkg-variable package "libdir")))
+    (format nil "~Abin" (subseq ldir 0 (search "lib" ldir :from-end t)))))
+  
+
+(defun |#?-reader| (stream subchar arg)
+  (declare (ignore subchar arg))
+  (let ((not-p (when (char= (peek-char nil stream) #\-)
+		 (read-char stream)))
+	(conditional (read stream t nil t)))
+    (cond
+     (*read-suppress* (read stream t nil t))
+     ((not *read-eval*)
+      (error 'reader-error 
+       :format-control "Attempt to read #? while *READ-EVAL* is bound to NIL."
+       :format-arguments nil :stream stream))
+     ((if not-p
+	  (eval conditional)
+	(not (eval conditional)))
+      (let ((*read-suppress* t))
+	(read stream t nil t)))))
+  (values))
+
+(set-dispatch-macro-character #\# #\? #'|#?-reader|)
+
+
+#+sbcl
+(progn
+  (defun sbcl-version ()
+    (let* ((dot1 (position #\. (lisp-implementation-version)))
+	   (dot2 (position #\. (lisp-implementation-version) :start (1+ dot1))))
+      (values 
+       (parse-integer (lisp-implementation-version) :end dot1)
+       (parse-integer (lisp-implementation-version) :start (1+ dot1) :end dot2)
+       (if dot2
+	   (parse-integer (lisp-implementation-version) :start (1+ dot2) :junk-allowed t)
+	 0))))
+  (defun sbcl>= (req-major req-minor req-micro)
+    (multiple-value-bind (major minor micro) (sbcl-version)      
+      (or 
+       (> major req-major)
+       (and (= major req-major) (> minor req-minor))
+       (and (= major req-major) (= minor req-minor) (>= micro req-micro)))))
+  (defun sbcl< (req-major req-minor req-micro)
+    (not (sbcl>= req-major req-minor req-micro))))
+
+#-sbcl
+(progn
+  (defun sbcl>= (req-major req-minor req-micro)
+    (declare (ignore req-major req-minor req-micro))
+    nil)
+  (defun sbcl< (req-major req-minor req-micro)
+    (declare (ignore req-major req-minor req-micro))
+    nil))
+
+#+clisp
+(progn
+  (defun clisp-version ()
+    (let* ((dot (position #\. (lisp-implementation-version))))
+      (values 
+       (parse-integer (lisp-implementation-version) :end dot)
+       (parse-integer (lisp-implementation-version) :start (1+ dot) :junk-allowed t))))
+  (defun clisp>= (req-major req-minor)
+    (multiple-value-bind (major minor) (clisp-version)      
+      (or 
+       (> major req-major)
+       (and (= major req-major) (> minor req-minor))))))
+
+#-clisp
+(defun clisp>= (req-major req-minor)
+  (declare (ignore req-major req-minor))
+  nil)