[jackhill/guix/guix.git] / gnu / packages / cross-base.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages cross-base)
  #:use-module (guix licenses)
  #:use-module (gnu packages)
  #:use-module (gnu packages base)
  #:use-module (gnu packages linux)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module (ice-9 match))

(define (cross p target)
  (package (inherit p)
    (location (source-properties->location (current-source-location)))
    (name (string-append (package-name p) "-cross-" target))
    (arguments
     (substitute-keyword-arguments (package-arguments p)
       ((#:configure-flags flags)
        `(cons ,(string-append "--target=" target)
               ,flags))))))

(define cross-binutils
  (cut cross binutils <>))

(define* (cross-gcc target
                    #:optional (xbinutils (cross-binutils target)) libc)
  "Return a cross-compiler for TARGET, where TARGET is a GNU triplet.  Use
XBINUTILS as the associated cross-Binutils.  If LIBC is false, then build a
GCC that does not target a libc; otherwise, target that libc."
  (define args
    ;; Get the arguments as if we were building for TARGET.  In particular, we
    ;; want `glibc-dynamic-linker' to return the right thing.
    (parameterize ((%current-system (gnu-triplet->nix-system target)))
      (package-arguments gcc-4.7)))

  (package (inherit gcc-4.7)
    (name (string-append "gcc-cross-"
                         (if libc "" "sans-libc-")
                         target))
    (arguments
     `(#:implicit-inputs? #f
       #:modules ((guix build gnu-build-system)
                  (guix build utils)
                  (ice-9 regex)
                  (srfi srfi-1)
                  (srfi srfi-26))
       #:patches (list (assoc-ref %build-inputs "patch/cross-env-vars"))

       ,@(substitute-keyword-arguments args
           ((#:configure-flags flags)
            `(append (list ,(string-append "--target=" target)
                           ,@(if libc
                                 '()
                                 `( ;; Disable features not needed at this stage.
                                   "--disable-shared" "--enable-static"

                                   ;; Disable C++ because libstdc++'s
                                   ;; configure script otherwise fails with
                                   ;; "Link tests are not allowed after
                                   ;; GCC_NO_EXECUTABLES."
                                   "--enable-languages=c"

                                   "--disable-threads" ; libgcc, would need libc
                                   "--disable-libmudflap"
                                   "--disable-libgomp"
                                   "--disable-libssp"
                                   "--disable-libquadmath"
                                   "--disable-decimal-float" ; would need libc
                                   )))

                     ,(if libc
                          flags
                          `(remove (cut string-match "--enable-languages.*" <>)
                                   ,flags))))
           ((#:make-flags flags)
            (if libc
                `(let ((libc (assoc-ref %build-inputs "libc")))
                   ;; FLAGS_FOR_TARGET are needed for the target libraries to
                   ;; receive the -Bxxx for the startfiles.
                   (cons (string-append "FLAGS_FOR_TARGET=-B" libc "/lib")
                         ,flags))
                flags))
           ((#:phases phases)
            (let ((phases
                   `(alist-cons-after
                     'install 'make-cross-binutils-visible
                     (lambda* (#:key outputs inputs #:allow-other-keys)
                       (let* ((out      (assoc-ref outputs "out"))
                              (libexec  (string-append out "/libexec/gcc/"
                                                       ,target))
                              (binutils (string-append
                                         (assoc-ref inputs "binutils-cross")
                                         "/bin/" ,target "-")))
                         (for-each (lambda (file)
                                     (symlink (string-append binutils file)
                                              (string-append libexec "/"
                                                             file)))
                                   '("as" "ld" "nm"))
                         #t))
                     ,phases)))
             (if libc
                 `(alist-cons-before
                   'configure 'set-cross-path
                   (lambda* (#:key inputs #:allow-other-keys)
                     ;; Add the cross Linux headers to CROSS_CPATH, and remove
                     ;; them from CPATH.
                     (let ((libc  (assoc-ref inputs "libc"))
                           (linux (assoc-ref inputs
                                             "libc/cross-linux-headers")))
                       (define (cross? x)
                         ;; Return #t if X is a cross-libc or cross Linux.
                         (or (string-prefix? libc x)
                             (string-prefix? linux x)))

                       (setenv "CROSS_CPATH"
                               (string-append libc "/include:"
                                              linux "/include"))
                       (setenv "CROSS_LIBRARY_PATH"
                               (string-append libc "/lib"))

                       (let ((cpath   (search-path-as-string->list
                                       (getenv "CPATH")))
                             (libpath (search-path-as-string->list
                                       (getenv "LIBRARY_PATH"))))
                         (setenv "CPATH"
                                 (list->search-path-as-string
                                  (remove cross? cpath) ":"))
                         (setenv "LIBRARY_PATH"
                                 (list->search-path-as-string
                                  (remove cross? libpath) ":"))
                         #t)))
                   ,phases)
                 phases)))
           ((#:strip-binaries? _)
            ;; Disable stripping as this can break binaries, with object files
            ;; of libgcc.a showing up as having an unknown architecture.  See
            ;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html>
            ;; for instance.
            #f))))
    (inputs
     `(("patch/cross-env-vars"
        ,(search-patch "gcc-cross-environment-variables.patch"))

       ("binutils-cross" ,xbinutils)

       ;; Call it differently so that the builder can check whether the "libc"
       ;; input is #f.
       ("libc-native" ,@(assoc-ref %final-inputs "libc"))

       ;; Remaining inputs.
       ,@(let ((inputs (append (package-inputs gcc-4.7)
                               (alist-delete "libc" %final-inputs))))
           (if libc
               `(("libc" ,libc)
                 ,@inputs)
               inputs))))))

(define* (cross-libc target
                     #:optional
                     (xgcc (cross-gcc target))
                     (xbinutils (cross-binutils target)))
  "Return a libc cross-built for TARGET, a GNU triplet.  Use XGCC and
XBINUTILS and the cross tool chain."
  (define xlinux-headers
    (package (inherit linux-libre-headers)
      (name (string-append (package-name linux-libre-headers)
                           "-cross-" target))
      (arguments
       (substitute-keyword-arguments (package-arguments linux-libre-headers)
         ((#:phases phases)
          `(alist-replace
            'build
            (lambda _
              (setenv "ARCH" ,(system->linux-architecture target))
              (format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH"))

              (and (zero? (system* "make" "defconfig"))
                   (zero? (system* "make" "mrproper" "headers_check"))))
            ,phases))))
      (inputs `(("cross-gcc" ,xgcc)
                ("cross-binutils" ,xbinutils)
                ,@(package-inputs linux-libre-headers)))))

  (package (inherit glibc)
    (name (string-append "glibc-cross-" target))
    (arguments
     (substitute-keyword-arguments
         `(#:strip-binaries? #f                ; disable stripping (see above)
           ,@(package-arguments glibc))
       ((#:configure-flags flags)
        `(cons ,(string-append "--host=" target)
               ,flags))
       ((#:phases phases)
        `(alist-cons-before
          'configure 'set-cross-linux-headers-path
          (lambda* (#:key inputs #:allow-other-keys)
            (let ((linux (assoc-ref inputs "cross-linux-headers")))
              (setenv "CROSS_CPATH"
                      (string-append linux "/include"))
              #t))
          ,phases))))
    (propagated-inputs `(("cross-linux-headers" ,xlinux-headers)))
    (inputs `(("cross-gcc" ,xgcc)
              ("cross-binutils" ,xbinutils)
              ,@(package-inputs glibc)))))

\f
;;;
;;; Concrete cross toolchains.
;;;

(define-public xgcc-mips64el
  (let ((triplet "mips64el-linux-gnu"))
    (cross-gcc triplet
               (cross-binutils triplet)
               (cross-libc triplet))))

;; (define-public xgcc-armel
;;   (let ((triplet "armel-linux-gnueabi"))
;;     (cross-gcc triplet
;;                (cross-binutils triplet)
;;                (cross-libc triplet))))
Commit	Line	Data
827d2891 LC	1	;;; GNU Guix --- Functional package management for GNU
	2	;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
	3	;;;
	4	;;; This file is part of GNU Guix.
	5	;;;
	6	;;; GNU Guix is free software; you can redistribute it and/or modify it
	7	;;; under the terms of the GNU General Public License as published by
	8	;;; the Free Software Foundation; either version 3 of the License, or (at
	9	;;; your option) any later version.
	10	;;;
	11	;;; GNU Guix is distributed in the hope that it will be useful, but
	12	;;; WITHOUT ANY WARRANTY; without even the implied warranty of
	13	;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	;;; GNU General Public License for more details.
	15	;;;
	16	;;; You should have received a copy of the GNU General Public License
	17	;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
	18
	19	(define-module (gnu packages cross-base)
	20	#:use-module (guix licenses)
	21	#:use-module (gnu packages)
	22	#:use-module (gnu packages base)
	23	#:use-module (gnu packages linux)
	24	#:use-module (guix packages)
	25	#:use-module (guix download)
	26	#:use-module (guix utils)
	27	#:use-module (guix build-system gnu)
	28	#:use-module (guix build-system trivial)
	29	#:use-module (srfi srfi-1)
	30	#:use-module (srfi srfi-26)
	31	#:use-module (ice-9 match))
	32
	33	(define (cross p target)
	34	(package (inherit p)
	35	(location (source-properties->location (current-source-location)))
	36	(name (string-append (package-name p) "-cross-" target))
	37	(arguments
	38	(substitute-keyword-arguments (package-arguments p)
	39	((#:configure-flags flags)
	40	`(cons ,(string-append "--target=" target)
	41	,flags))))))
	42
	43	(define cross-binutils
	44	(cut cross binutils <>))
	45
	46	(define* (cross-gcc target
	47	#:optional (xbinutils (cross-binutils target)) libc)
	48	"Return a cross-compiler for TARGET, where TARGET is a GNU triplet. Use
	49	XBINUTILS as the associated cross-Binutils. If LIBC is false, then build a
	50	GCC that does not target a libc; otherwise, target that libc."
	51	(define args
	52	;; Get the arguments as if we were building for TARGET. In particular, we
	53	;; want `glibc-dynamic-linker' to return the right thing.
	54	(parameterize ((%current-system (gnu-triplet->nix-system target)))
	55	(package-arguments gcc-4.7)))
	56
	57	(package (inherit gcc-4.7)
	58	(name (string-append "gcc-cross-"
	59	(if libc "" "sans-libc-")
	60	target))
	61	(arguments
	62	`(#:implicit-inputs? #f
	63	#:modules ((guix build gnu-build-system)
	64	(guix build utils)
65	(ice-9 regex)
66	(srfi srfi-1)
67	(srfi srfi-26))
68	#:patches (list (assoc-ref %build-inputs "patch/cross-env-vars"))
69
70	,@(substitute-keyword-arguments args
71	((#:configure-flags flags)
72	`(append (list ,(string-append "--target=" target)
73	,@(if libc
74	'()
75	`( ;; Disable features not needed at this stage.
76	"--disable-shared" "--enable-static"
77
78	;; Disable C++ because libstdc++'s
79	;; configure script otherwise fails with
80	;; "Link tests are not allowed after
81	;; GCC_NO_EXECUTABLES."
82	"--enable-languages=c"
83
84	"--disable-threads" ; libgcc, would need libc
85	"--disable-libmudflap"
86	"--disable-libgomp"
87	"--disable-libssp"
88	"--disable-libquadmath"
89	"--disable-decimal-float" ; would need libc
90	)))
91
92	,(if libc
93	flags
94	`(remove (cut string-match "--enable-languages.*" <>)
95	,flags))))
96	((#:make-flags flags)
97	(if libc
98	`(let ((libc (assoc-ref %build-inputs "libc")))
99	;; FLAGS_FOR_TARGET are needed for the target libraries to
100	;; receive the -Bxxx for the startfiles.
101	(cons (string-append "FLAGS_FOR_TARGET=-B" libc "/lib")
102	,flags))
103	flags))
104	((#:phases phases)
105	(let ((phases
106	`(alist-cons-after
107	'install 'make-cross-binutils-visible
108	(lambda* (#:key outputs inputs #:allow-other-keys)
109	(let* ((out (assoc-ref outputs "out"))
110	(libexec (string-append out "/libexec/gcc/"
111	,target))
112	(binutils (string-append
113	(assoc-ref inputs "binutils-cross")
114	"/bin/" ,target "-")))
115	(for-each (lambda (file)
116	(symlink (string-append binutils file)
117	(string-append libexec "/"
118	file)))
119	'("as" "ld" "nm"))
120	#t))
121	,phases)))
122	(if libc
123	`(alist-cons-before
124	'configure 'set-cross-path
125	(lambda* (#:key inputs #:allow-other-keys)
126	;; Add the cross Linux headers to CROSS_CPATH, and remove
127	;; them from CPATH.
128	(let ((libc (assoc-ref inputs "libc"))
129	(linux (assoc-ref inputs
130	"libc/cross-linux-headers")))
131	(define (cross? x)
132	;; Return #t if X is a cross-libc or cross Linux.
133	(or (string-prefix? libc x)
134	(string-prefix? linux x)))
135
136	(setenv "CROSS_CPATH"
137	(string-append libc "/include:"
138	linux "/include"))
139	(setenv "CROSS_LIBRARY_PATH"
140	(string-append libc "/lib"))
141
142	(let ((cpath (search-path-as-string->list
143	(getenv "CPATH")))
144	(libpath (search-path-as-string->list
145	(getenv "LIBRARY_PATH"))))
146	(setenv "CPATH"
147	(list->search-path-as-string
148	(remove cross? cpath) ":"))
149	(setenv "LIBRARY_PATH"
150	(list->search-path-as-string
151	(remove cross? libpath) ":"))
152	#t)))
153	,phases)
154	phases)))
155	((#:strip-binaries? _)
156	;; Disable stripping as this can break binaries, with object files
157	;; of libgcc.a showing up as having an unknown architecture. See
158	;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html>
159	;; for instance.
160	#f))))
161	(inputs
162	`(("patch/cross-env-vars"
163	,(search-patch "gcc-cross-environment-variables.patch"))
164
165	("binutils-cross" ,xbinutils)
166
167	;; Call it differently so that the builder can check whether the "libc"
168	;; input is #f.
169	("libc-native" ,@(assoc-ref %final-inputs "libc"))
170
171	;; Remaining inputs.
172	,@(let ((inputs (append (package-inputs gcc-4.7)
173	(alist-delete "libc" %final-inputs))))
174	(if libc
175	`(("libc" ,libc)
176	,@inputs)
177	inputs))))))
178
179	(define* (cross-libc target
180	#:optional
181	(xgcc (cross-gcc target))
182	(xbinutils (cross-binutils target)))
183	"Return a libc cross-built for TARGET, a GNU triplet. Use XGCC and
184	XBINUTILS and the cross tool chain."
185	(define xlinux-headers
186	(package (inherit linux-libre-headers)
187	(name (string-append (package-name linux-libre-headers)
188	"-cross-" target))
189	(arguments
190	(substitute-keyword-arguments (package-arguments linux-libre-headers)
191	((#:phases phases)
192	`(alist-replace
193	'build
194	(lambda _
195	(setenv "ARCH" ,(system->linux-architecture target))
196	(format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH"))
197
198	(and (zero? (system* "make" "defconfig"))
199	(zero? (system* "make" "mrproper" "headers_check"))))
200	,phases))))
201	(inputs `(("cross-gcc" ,xgcc)
202	("cross-binutils" ,xbinutils)
203	,@(package-inputs linux-libre-headers)))))
204
205	(package (inherit glibc)
206	(name (string-append "glibc-cross-" target))
207	(arguments
208	(substitute-keyword-arguments
209	`(#:strip-binaries? #f ; disable stripping (see above)
210	,@(package-arguments glibc))
211	((#:configure-flags flags)
212	`(cons ,(string-append "--host=" target)
213	,flags))
214	((#:phases phases)
215	`(alist-cons-before
216	'configure 'set-cross-linux-headers-path
217	(lambda* (#:key inputs #:allow-other-keys)
218	(let ((linux (assoc-ref inputs "cross-linux-headers")))
219	(setenv "CROSS_CPATH"
220	(string-append linux "/include"))
221	#t))
222	,phases))))
223	(propagated-inputs `(("cross-linux-headers" ,xlinux-headers)))
224	(inputs `(("cross-gcc" ,xgcc)
225	("cross-binutils" ,xbinutils)
226	,@(package-inputs glibc)))))
227
228	\f
229	;;;
230	;;; Concrete cross toolchains.
231	;;;
232
233	(define-public xgcc-mips64el
234	(let ((triplet "mips64el-linux-gnu"))
235	(cross-gcc triplet
236	(cross-binutils triplet)
237	(cross-libc triplet))))
238
239	;; (define-public xgcc-armel
240	;; (let ((triplet "armel-linux-gnueabi"))
241	;; (cross-gcc triplet
242	;; (cross-binutils triplet)
243	;; (cross-libc triplet))))