/usr/share/racket/pkgs/make/setup-extension.rkt is in racket-common 6.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(require make
dynext/link
dynext/compile
dynext/file
mzlib/file
mzlib/list
mzlib/etc
launcher
compiler/xform
setup/dirs)
(provide pre-install)
;; Syntax used to add a command-line flag:
(define-syntax with-new-flags
(syntax-rules ()
[(_ ([param flags] ...) body0 body ...)
(parameterize* ([param (append (param) flags)] ...)
body0 body ...)]))
(define (extract-base-filename file.c)
(let-values ([(base name dir?)
(split-path (extract-base-filename/c file.c 'pre-install))])
name))
(define (string-path->string s)
(if (string? s) s (path->string s)))
(define pre-install
(opt-lambda (main-collects-parent-dir
collection-dir
file.c
default-lib-dir
include-subdirs
find-unix-libs
find-windows-libs
unix-libs
windows-libs
extra-depends
last-chance-k
[3m-too? #f])
;; Compile and link one file:
(define (go file.c xform-src.c)
(pre-install/check-precompiled main-collects-parent-dir
collection-dir
file.c
default-lib-dir
include-subdirs
find-unix-libs
find-windows-libs
unix-libs
windows-libs
extra-depends
last-chance-k
xform-src.c))
(define avail (available-mzscheme-variants))
;; Maybe do CGC mode:
(when (or (memq 'cgc avail)
(and (memq 'normal avail)
(eq? 'cgc (system-type 'gc))))
(parameterize ([link-variant 'cgc])
(go file.c #f)))
;; Maybe do 3m mode:
(when (and 3m-too?
(or (memq '3m avail)
(and (memq 'normal avail)
(eq? '3m (system-type 'gc)))))
(parameterize ([link-variant '3m])
(let ([3m-dir (build-path collection-dir
"compiled" "native"
(system-library-subpath '3m))])
(make-directory* 3m-dir)
(go (build-path 3m-dir (let-values ([(base name dir?) (split-path file.c)])
name))
file.c))))))
(define (pre-install/check-precompiled
main-collects-parent-dir collection-dir file.c . rest)
(let* ([pre-dir (build-path collection-dir "precompiled" "native")]
[variant-dir (system-library-subpath (link-variant))]
[base-file (string-append (path-element->string (extract-base-filename file.c))
"_ss")]
[file.so (build-path pre-dir variant-dir (append-extension-suffix base-file))])
(if (file-exists? file.so)
;; Just copy pre-compiled file:
(let* ([dest-dir (build-path collection-dir "compiled" "native"
variant-dir)]
[dest-file.so (build-path dest-dir (append-extension-suffix base-file))])
(make-directory* dest-dir)
(printf " Copying ~a\n to ~a\n" file.so dest-file.so)
(when (file-exists? dest-file.so)
(delete-file dest-file.so))
(copy-file file.so dest-file.so))
;; Normal build...
(apply pre-install/normal main-collects-parent-dir collection-dir file.c rest))))
(define (pre-install/normal main-collects-parent-dir
collection-dir
file.c
default-lib-dir
include-subdirs
find-unix-libs
find-windows-libs
unix-libs
windows-libs
extra-depends
last-chance-k
xform-src.c)
(parameterize ([current-directory collection-dir])
(define mach-id (string->symbol (path->string (system-library-subpath #f))))
(define is-win? (eq? mach-id 'win32\\i386))
;; We look for libraries and includes in the
;; following places:
(define search-path
(append
(let ([v (getenv "PLT_EXTENSION_LIB_PATHS")])
(if v
(path-list-string->path-list v (list default-lib-dir))
(list default-lib-dir)))
(list "/usr"
"/usr/local"
"/usr/local/gnu"
;; OS X fink location:
"/sw"
;; OS X DarwinPorts location:
"/opt/local"
;; Hack for NU PLT's convenience:
"/arch/gnu/packages/readline-4.2")))
(define sys-path
(ormap (lambda (x)
(and (andmap
(lambda (sub)
(directory-exists? (build-path x "include" sub)))
include-subdirs)
(andmap (lambda (lib)
(ormap (lambda (suffix)
(file-exists?
(build-path x
"lib"
(format "~a~a.~a"
(if is-win?
""
"lib")
lib
suffix))))
'("a" "so" "dylib" "lib")))
(if is-win?
find-windows-libs
find-unix-libs))
(if (string? x)
(string->path x)
x)))
search-path))
(unless sys-path
(error 'extension-installer
"can't find needed include files and/or library; try setting the environment variable PLT_EXTENSION_LIB_PATHS"))
(parameterize ([make-print-checking #f])
;; Used as make dependencies:
(define mz-inc-dir (find-include-dir))
(define headers (map (lambda (name)
(build-path mz-inc-dir name))
'("scheme.h" "schvers.h" "schemef.h" "sconfig.h" "stypes.h")))
(define dir (build-path "compiled" "native" (system-library-subpath (link-variant))))
(define base-file (string-append (path-element->string (extract-base-filename file.c))
"_ss"))
(define file.so (build-path dir (append-extension-suffix base-file)))
(define file.o (build-path dir (append-object-suffix base-file)))
(with-new-flags ([current-extension-compiler-flags
((current-make-compile-include-strings)
(build-path sys-path "include"))]
[current-extension-preprocess-flags
((current-make-compile-include-strings)
(build-path sys-path "include"))]
;; Add -L and -l for Unix:
[current-extension-linker-flags
(if is-win?
null
(list (format "-L~a/lib" (path->string sys-path))))]
;; Add libs for Windows:
[current-standard-link-libraries
(if is-win?
(append (map
(lambda (l)
(build-path sys-path "lib"
(format "~a.lib" l)))
find-windows-libs)
windows-libs)
null)]
;; Extra stuff:
[current-extension-linker-flags
(case mach-id [(rs6k-aix) (list "-lc")] [else null])]
[current-standard-link-libraries
(case mach-id [(i386-cygwin) (list "-lc")] [else null])])
(define (delete/continue x)
(with-handlers ([(lambda (x) #t) void])
(delete-file x)))
(make-directory* dir)
(last-chance-k
(lambda ()
(make/proc
(append
(list (list file.so
(list file.o)
(lambda ()
(link-extension
#f (append
(list file.o)
(if is-win?
null
(map (lambda (l)
(string-append
"-l" (string-path->string l)))
(append find-unix-libs unix-libs))))
file.so)))
(list file.o
(append (list file.c)
(filter (lambda (x)
(regexp-match
#rx#"mzdyn[a-z0-9]*[.]o"
(if (string? x)
x
(path->string x))))
(expand-for-link-variant
(current-standard-link-libraries)))
headers
extra-depends)
(lambda ()
(compile-extension #f file.c file.o null))))
(if xform-src.c
(list (list file.c
(append (list xform-src.c)
headers
extra-depends)
(lambda ()
(xform #f
(if (path? xform-src.c)
(path->string xform-src.c)
xform-src.c)
file.c
(list (let-values ([(base name dir?)
(split-path xform-src.c)])
(if (path? base)
base
(current-directory)))
mz-inc-dir)))))
null))
#())))))))
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