227 lines
6.6 KiB
Scheme
227 lines
6.6 KiB
Scheme
(module dirs mzscheme
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(require (prefix config: (lib "config.ss" "config"))
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(lib "winutf16.ss" "compiler" "private")
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(lib "mach-o.ss" "compiler" "private"))
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(provide (rename config:absolute-installation? absolute-installation?))
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;; ----------------------------------------
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;; "collects"
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(define main-collects-dir
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(delay
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(let ([d (find-system-path 'collects-dir)])
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(cond
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[(complete-path? d) d]
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[(absolute-path? d)
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;; This happens only under Windows; add a drive
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;; specification to make the path complete
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(let ([exec (path->complete-path
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(find-executable-path (find-system-path 'exec-file))
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(find-system-path 'orig-dir))])
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(let-values ([(base name dir?) (split-path exec)])
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(path->complete-path d base)))]
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[else
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;; Relative to executable...
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(parameterize ([current-directory (find-system-path 'orig-dir)])
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(let ([p (or (find-executable-path (find-system-path 'exec-file) d #t)
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;; If we get here, then we can't find the directory
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#f)])
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(and p
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(simplify-path p))))]))))
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(provide find-collects-dir
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find-user-collects-dir
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get-collects-search-dirs)
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(define (find-collects-dir)
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(force main-collects-dir))
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(define user-collects-dir
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(delay (build-path (find-system-path 'addon-dir) (version) "collects")))
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(define (find-user-collects-dir)
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(force user-collects-dir))
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(define (get-collects-search-dirs)
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(current-library-collection-paths))
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;; ----------------------------------------
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;; Helpers
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(define (single p) (if p (list p) null))
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(define (extra a l) (if (and a (not (member a l))) (cons a l) l))
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(define (combine-search l default)
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;; Replace #f in list with default path:
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(if l
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(let loop ([l l])
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(cond
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[(null? l) null]
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[(not (car l)) (append default (loop (cdr l)))]
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[else (cons (car l) (loop (cdr l)))]))
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default))
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(define (cons-user u r)
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(if (use-user-specific-search-paths)
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(cons u r)
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r))
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(define-syntax define-finder
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(syntax-rules ()
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[(_ provide config:id id user-id config:search-id search-id default)
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(begin
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(define-finder provide config:id id user-id default)
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(provide search-id)
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(define (search-id)
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(combine-search (force config:search-id)
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(cons-user (user-id) (single (id))))))]
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[(_ provide config:id id user-id config:search-id search-id extra-search-dir default)
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(begin
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(define-finder provide config:id id user-id default)
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(provide search-id)
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(define (search-id)
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(combine-search (force config:search-id)
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(extra (extra-search-dir)
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(cons-user (user-id) (single (id)))))))]
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[(_ provide config:id id user-id default)
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(begin
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(provide id user-id)
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(define dir
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(delay
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(or (force config:id)
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(let ([p (find-collects-dir)])
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(and p
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(simplify-path (build-path p
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'up
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default)))))))
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(define (id)
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(force dir))
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(define user-dir
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(delay (build-path (find-system-path 'addon-dir) (version) default)))
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(define (user-id)
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(force user-dir)))]))
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(define-syntax no-provide (syntax-rules () [(_ . rest) (begin)]))
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;; ----------------------------------------
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;; "doc"
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(define delayed-#f (delay #f))
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(provide find-doc-dir
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find-user-doc-dir
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get-doc-search-dirs)
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(define-finder no-provide
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config:doc-dir
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find-doc-dir
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find-user-doc-dir
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delayed-#f
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get-new-doc-search-dirs
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"doc")
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;; For now, include "doc" pseudo-collections in search path:
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(define (get-doc-search-dirs)
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(combine-search (force config:doc-search-dirs)
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(append (get-new-doc-search-dirs)
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(map (lambda (p) (build-path p "doc"))
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(current-library-collection-paths)))))
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;; ----------------------------------------
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;; "include"
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(define-finder provide
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config:include-dir
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find-include-dir
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find-user-include-dir
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config:include-search-dirs
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get-include-search-dirs
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"include")
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;; ----------------------------------------
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;; "lib"
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(define-finder provide
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config:lib-dir
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find-lib-dir
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find-user-lib-dir
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config:lib-search-dirs
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get-lib-search-dirs find-dll-dir
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"lib")
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;; ----------------------------------------
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;; Executables
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(define-finder provide
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config:bin-dir
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find-console-bin-dir
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find-user-console-bin-dir
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(case (system-type)
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[(windows) 'same]
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[(macosx unix) "bin"]))
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(define-finder provide
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config:bin-dir
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find-gui-bin-dir
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find-user-gui-bin-dir
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(case (system-type)
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[(windows macosx) 'same]
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[(unix) "bin"]))
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;; ----------------------------------------
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;; DLLs
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(provide find-dll-dir)
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(define dll-dir
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(delay (case (system-type)
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[(windows)
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;; Extract "lib" location from binary:
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(let ([exe (parameterize ([current-directory (find-system-path 'orig-dir)])
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(find-executable-path (find-system-path 'exec-file)))])
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(with-input-from-file exe
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(lambda ()
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(let ([m (regexp-match (byte-regexp
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(bytes-append
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(bytes->utf-16-bytes #"dLl dIRECTORy:")
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#"((?:..)*?)\0\0"))
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(current-input-port))])
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(unless m (error "cannot find \"dLl dIRECTORy\" tag in binary"))
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(let-values ([(dir name dir?) (split-path exe)])
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(if (regexp-match #rx#"^<" (cadr m))
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;; no DLL dir in binary
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#f
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;; resolve relative directory:
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(let ([p (bytes->path (utf-16-bytes->bytes (cadr m)))])
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(path->complete-path p dir))))))))]
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[(macosx)
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(let ([exe (parameterize ([current-directory (find-system-path 'orig-dir)])
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(let loop ([p (find-executable-path (find-system-path 'exec-file))])
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(if (link-exists? p)
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(loop (let-values ([(r) (resolve-path p)]
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[(dir name dir?) (split-path p)])
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(if (and (path? dir)
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(relative-path? r))
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(build-path dir r)
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r)))
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p)))])
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(let ([rel (get/set-dylib-path exe "PLT_M[rz]" #f)])
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(if rel
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(cond
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[(regexp-match #rx#"^(@executable_path/)?(.*?)PLT_M(?:rEd|zScheme).framework" rel)
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=> (lambda (m)
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(let ([b (caddr m)])
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(if (and (not (cadr m))
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(bytes=? b #""))
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#f ; no path in exe
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(simplify-path
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(path->complete-path (if (not (cadr m))
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(bytes->path b)
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(let-values ([(dir name dir?) (split-path exe)])
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(if (bytes=? b #"")
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dir
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(build-path dir (bytes->path b)))))
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(find-system-path 'orig-dir))))))]
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[else (find-lib-dir)])
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;; no framework reference found!?
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#f)))]
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[else
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(if (eq? 'shared (system-type 'link))
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(or (force config:dll-dir)
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(find-lib-dir))
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#f)])))
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(define (find-dll-dir)
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(force dll-dir)))
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