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1 | (in-package :asdf) |
2 | |
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3 | (export '*dso-extension*) |
4 | |
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5 | (defparameter *dso-extension* |
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6 | #-(or darwin win32)"so" #+darwin"dylib" #+win32"dll") |
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7 | |
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8 | |
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9 | ;;; The following code is more or less copied from sb-bsd-sockets.asd, |
10 | ;;; but extended to allow flags to be set in a general way. The class |
11 | ;;; has been renamed from unix-dso to shared-object as this code no |
12 | ;;; longer is unix specific |
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13 | |
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14 | (defclass shared-object (module) |
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15 | ((ldflags :initform nil :initarg :ldflags))) |
16 | |
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17 | ;; For backwards compatibility |
18 | (defclass unix-dso (shared-object) |
19 | ()) |
20 | |
21 | (defun ensure-namestring (pathname) |
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22 | (namestring |
23 | (typecase pathname |
24 | (logical-pathname (translate-logical-pathname pathname)) |
25 | (t pathname)))) |
26 | |
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27 | (defmethod input-files ((operation compile-op) (dso shared-object)) |
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28 | (mapcar #'component-pathname (module-components dso))) |
29 | |
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30 | (defmethod output-files ((operation compile-op) (dso shared-object)) |
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31 | (let ((dir (component-pathname dso))) |
32 | (list |
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33 | (make-pathname :type *dso-extension* |
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34 | :name (component-name dso) |
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35 | :directory (butlast (pathname-directory dir)) |
36 | :defaults dir)))) |
37 | |
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38 | (defmethod perform :after ((operation compile-op) (dso shared-object)) |
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39 | (let ((output (first (output-files operation dso))) |
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40 | (inputs (mapcar #'ensure-namestring |
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41 | (mapcan #'(lambda (c) |
42 | (output-files operation c)) |
43 | (module-components dso))))) |
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44 | (unless (zerop |
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45 | (run-shell-command "gcc ~A -o ~S ~{~S~^ ~} ~{~A~^ ~}" |
46 | #-(or darwin win32)"-shared" |
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47 | #+darwin "-bundle" |
48 | #+win32 |
49 | (format nil "-shared -Wl,--out-implib,~S" |
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50 | (ensure-namestring |
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51 | (make-pathname |
52 | :type "a" |
53 | :name (format nil "lib~Adll" (pathname-name output)) |
54 | :defaults output))) |
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55 | (ensure-namestring output) |
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56 | inputs |
57 | (slot-value dso 'ldflags))) |
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58 | (error 'operation-error :operation operation :component dso)))) |
59 | |
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60 | #+clisp |
61 | (defvar *loaded-libraries* ()) |
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62 | |
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63 | (defun load-shared-object (pathname) |
64 | (let ((namestring (ensure-namestring pathname))) |
65 | #+sbcl(sb-alien:load-shared-object namestring) |
66 | #+cmu(ext:load-foreign namestring) |
67 | #+clisp |
68 | (unless (find namestring *loaded-libraries* :test #'equal) |
69 | (ffi::foreign-library namestring) |
70 | (push namestring *loaded-libraries*)))) |
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71 | |
72 | |
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73 | (defmethod perform ((o load-op) (c shared-object)) |
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74 | (let ((co (make-instance 'compile-op))) |
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75 | (let ((pathname (car (output-files co c)))) |
76 | (load-shared-object pathname)))) |
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77 | |
78 | |
79 | |
80 | (defclass c-source-file (source-file) |
81 | ((cflags :initform nil :initarg :cflags) |
82 | (optimization :initform 2 :initarg :optimization) |
83 | (definitions :initform nil :initarg :definitions) |
84 | (include-paths :initform nil :initarg :include-paths))) |
85 | |
86 | |
87 | (defmethod output-files ((op compile-op) (c c-source-file)) |
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88 | (list (make-pathname :type "o" :defaults (component-pathname c)))) |
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89 | |
90 | |
91 | (defmethod perform ((op compile-op) (c c-source-file)) |
92 | (unless |
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93 | (= 0 (run-shell-command "gcc ~A~{ ~A~} -o ~S -c ~S" |
94 | #-win32 "-fPIC" |
95 | #+win32 "-DBUILD_DLL" |
96 | (nconc |
97 | (when (slot-value c 'optimization) |
98 | (list (format nil "-O~A" (slot-value c 'optimization)))) |
99 | (loop |
100 | for symbol in (slot-value c 'definitions) |
101 | collect (format nil "-D~A" symbol)) |
102 | (loop |
103 | for path in (slot-value c 'include-paths) |
104 | collect (format nil "-I~A" path)) |
105 | (slot-value c 'cflags)) |
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106 | (ensure-namestring (first (output-files op c))) |
107 | (ensure-namestring (component-pathname c)))) |
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108 | (error 'operation-error :operation op :component c))) |
109 | |
110 | |
111 | (defmethod perform ((operation load-op) (c c-source-file)) |
112 | t) |
113 | |
114 | |
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115 | ;;; Shared libraries |
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116 | |
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117 | (defclass library (component) |
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118 | ((libdir :initarg :libdir :initform nil) |
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119 | (libname :initarg :libname :initform nil))) |
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120 | |
121 | |
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122 | (defun split-path (path) |
123 | (labels ((split (path) |
124 | (unless (zerop (length path)) |
125 | (let ((slash (position #\/ path))) |
126 | (if slash |
127 | (cons (subseq path 0 slash) (split (subseq path (1+ slash)))) |
128 | (list path)))))) |
129 | (if (and (not (zerop (length path))) (char= (char path 0) #\/)) |
130 | (cons :absolute (split (subseq path 1))) |
131 | (cons :relative (split path))))) |
132 | |
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133 | |
134 | (defmethod component-pathname ((lib library)) |
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135 | (make-pathname :type *dso-extension* |
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136 | :name (or (slot-value lib 'libname) (component-name lib)) |
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137 | :directory (split-path (slot-value lib 'libdir)))) |
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138 | |
139 | (defmethod perform ((o load-op) (c library)) |
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140 | (load-shared-object (component-pathname c))) |
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141 | |
142 | (defmethod perform ((operation operation) (c library)) |
143 | nil) |
144 | |
145 | (defmethod operation-done-p ((o load-op) (c library)) |
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146 | (let ((namestring (ensure-namestring (component-pathname c)))) |
147 | #+sbcl(find namestring sb-alien::*shared-objects* :key #'sb-alien::shared-object-file :test #'equal) |
148 | #+cmu(rassoc namestring system::*global-table* :test #'equal) |
149 | #+clisp(find namestring *loaded-libraries* :test #'equal))) |
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150 | |
151 | (defmethod operation-done-p ((o operation) (c library)) |
152 | t) |