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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) | |
f594028a | 22 | #:use-module (gnu packages gcc) |
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23 | #:use-module (gnu packages base) |
24 | #:use-module (gnu packages linux) | |
25 | #:use-module (guix packages) | |
26 | #:use-module (guix download) | |
27 | #:use-module (guix utils) | |
28 | #:use-module (guix build-system gnu) | |
29 | #:use-module (guix build-system trivial) | |
30 | #:use-module (srfi srfi-1) | |
31 | #:use-module (srfi srfi-26) | |
32 | #:use-module (ice-9 match)) | |
33 | ||
34 | (define (cross p target) | |
35 | (package (inherit p) | |
36 | (location (source-properties->location (current-source-location))) | |
37 | (name (string-append (package-name p) "-cross-" target)) | |
38 | (arguments | |
39 | (substitute-keyword-arguments (package-arguments p) | |
40 | ((#:configure-flags flags) | |
41 | `(cons ,(string-append "--target=" target) | |
42 | ,flags)))))) | |
43 | ||
44 | (define cross-binutils | |
45 | (cut cross binutils <>)) | |
46 | ||
47 | (define* (cross-gcc target | |
48 | #:optional (xbinutils (cross-binutils target)) libc) | |
49 | "Return a cross-compiler for TARGET, where TARGET is a GNU triplet. Use | |
50 | XBINUTILS as the associated cross-Binutils. If LIBC is false, then build a | |
51 | GCC that does not target a libc; otherwise, target that libc." | |
52 | (define args | |
53 | ;; Get the arguments as if we were building for TARGET. In particular, we | |
54 | ;; want `glibc-dynamic-linker' to return the right thing. | |
55 | (parameterize ((%current-system (gnu-triplet->nix-system target))) | |
56 | (package-arguments gcc-4.7))) | |
57 | ||
58 | (package (inherit gcc-4.7) | |
59 | (name (string-append "gcc-cross-" | |
60 | (if libc "" "sans-libc-") | |
61 | target)) | |
62 | (arguments | |
63 | `(#:implicit-inputs? #f | |
64 | #:modules ((guix build gnu-build-system) | |
65 | (guix build utils) | |
66 | (ice-9 regex) | |
67 | (srfi srfi-1) | |
68 | (srfi srfi-26)) | |
69 | #:patches (list (assoc-ref %build-inputs "patch/cross-env-vars")) | |
70 | ||
71 | ,@(substitute-keyword-arguments args | |
72 | ((#:configure-flags flags) | |
73 | `(append (list ,(string-append "--target=" target) | |
74 | ,@(if libc | |
75 | '() | |
76 | `( ;; Disable features not needed at this stage. | |
77 | "--disable-shared" "--enable-static" | |
78 | ||
79 | ;; Disable C++ because libstdc++'s | |
80 | ;; configure script otherwise fails with | |
81 | ;; "Link tests are not allowed after | |
82 | ;; GCC_NO_EXECUTABLES." | |
83 | "--enable-languages=c" | |
84 | ||
85 | "--disable-threads" ; libgcc, would need libc | |
86 | "--disable-libmudflap" | |
87 | "--disable-libgomp" | |
88 | "--disable-libssp" | |
89 | "--disable-libquadmath" | |
90 | "--disable-decimal-float" ; would need libc | |
91 | ))) | |
92 | ||
93 | ,(if libc | |
94 | flags | |
95 | `(remove (cut string-match "--enable-languages.*" <>) | |
96 | ,flags)))) | |
97 | ((#:make-flags flags) | |
98 | (if libc | |
99 | `(let ((libc (assoc-ref %build-inputs "libc"))) | |
100 | ;; FLAGS_FOR_TARGET are needed for the target libraries to | |
101 | ;; receive the -Bxxx for the startfiles. | |
102 | (cons (string-append "FLAGS_FOR_TARGET=-B" libc "/lib") | |
103 | ,flags)) | |
104 | flags)) | |
105 | ((#:phases phases) | |
106 | (let ((phases | |
107 | `(alist-cons-after | |
108 | 'install 'make-cross-binutils-visible | |
109 | (lambda* (#:key outputs inputs #:allow-other-keys) | |
110 | (let* ((out (assoc-ref outputs "out")) | |
111 | (libexec (string-append out "/libexec/gcc/" | |
112 | ,target)) | |
113 | (binutils (string-append | |
114 | (assoc-ref inputs "binutils-cross") | |
115 | "/bin/" ,target "-"))) | |
116 | (for-each (lambda (file) | |
117 | (symlink (string-append binutils file) | |
118 | (string-append libexec "/" | |
119 | file))) | |
120 | '("as" "ld" "nm")) | |
121 | #t)) | |
122 | ,phases))) | |
123 | (if libc | |
124 | `(alist-cons-before | |
125 | 'configure 'set-cross-path | |
126 | (lambda* (#:key inputs #:allow-other-keys) | |
127 | ;; Add the cross Linux headers to CROSS_CPATH, and remove | |
128 | ;; them from CPATH. | |
129 | (let ((libc (assoc-ref inputs "libc")) | |
130 | (linux (assoc-ref inputs | |
131 | "libc/cross-linux-headers"))) | |
132 | (define (cross? x) | |
133 | ;; Return #t if X is a cross-libc or cross Linux. | |
134 | (or (string-prefix? libc x) | |
135 | (string-prefix? linux x))) | |
136 | ||
137 | (setenv "CROSS_CPATH" | |
138 | (string-append libc "/include:" | |
139 | linux "/include")) | |
140 | (setenv "CROSS_LIBRARY_PATH" | |
141 | (string-append libc "/lib")) | |
142 | ||
143 | (let ((cpath (search-path-as-string->list | |
144 | (getenv "CPATH"))) | |
145 | (libpath (search-path-as-string->list | |
146 | (getenv "LIBRARY_PATH")))) | |
147 | (setenv "CPATH" | |
148 | (list->search-path-as-string | |
149 | (remove cross? cpath) ":")) | |
150 | (setenv "LIBRARY_PATH" | |
151 | (list->search-path-as-string | |
152 | (remove cross? libpath) ":")) | |
153 | #t))) | |
154 | ,phases) | |
155 | phases))) | |
156 | ((#:strip-binaries? _) | |
157 | ;; Disable stripping as this can break binaries, with object files | |
158 | ;; of libgcc.a showing up as having an unknown architecture. See | |
159 | ;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html> | |
160 | ;; for instance. | |
161 | #f)))) | |
162 | (inputs | |
163 | `(("patch/cross-env-vars" | |
164 | ,(search-patch "gcc-cross-environment-variables.patch")) | |
165 | ||
166 | ("binutils-cross" ,xbinutils) | |
167 | ||
168 | ;; Call it differently so that the builder can check whether the "libc" | |
169 | ;; input is #f. | |
170 | ("libc-native" ,@(assoc-ref %final-inputs "libc")) | |
171 | ||
172 | ;; Remaining inputs. | |
173 | ,@(let ((inputs (append (package-inputs gcc-4.7) | |
174 | (alist-delete "libc" %final-inputs)))) | |
175 | (if libc | |
176 | `(("libc" ,libc) | |
177 | ,@inputs) | |
178 | inputs)))))) | |
179 | ||
180 | (define* (cross-libc target | |
181 | #:optional | |
182 | (xgcc (cross-gcc target)) | |
183 | (xbinutils (cross-binutils target))) | |
184 | "Return a libc cross-built for TARGET, a GNU triplet. Use XGCC and | |
185 | XBINUTILS and the cross tool chain." | |
186 | (define xlinux-headers | |
187 | (package (inherit linux-libre-headers) | |
188 | (name (string-append (package-name linux-libre-headers) | |
189 | "-cross-" target)) | |
190 | (arguments | |
191 | (substitute-keyword-arguments (package-arguments linux-libre-headers) | |
192 | ((#:phases phases) | |
193 | `(alist-replace | |
194 | 'build | |
195 | (lambda _ | |
196 | (setenv "ARCH" ,(system->linux-architecture target)) | |
197 | (format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH")) | |
198 | ||
199 | (and (zero? (system* "make" "defconfig")) | |
200 | (zero? (system* "make" "mrproper" "headers_check")))) | |
201 | ,phases)))) | |
202 | (inputs `(("cross-gcc" ,xgcc) | |
203 | ("cross-binutils" ,xbinutils) | |
204 | ,@(package-inputs linux-libre-headers))))) | |
205 | ||
206 | (package (inherit glibc) | |
207 | (name (string-append "glibc-cross-" target)) | |
208 | (arguments | |
209 | (substitute-keyword-arguments | |
210 | `(#:strip-binaries? #f ; disable stripping (see above) | |
211 | ,@(package-arguments glibc)) | |
212 | ((#:configure-flags flags) | |
213 | `(cons ,(string-append "--host=" target) | |
214 | ,flags)) | |
215 | ((#:phases phases) | |
216 | `(alist-cons-before | |
217 | 'configure 'set-cross-linux-headers-path | |
218 | (lambda* (#:key inputs #:allow-other-keys) | |
219 | (let ((linux (assoc-ref inputs "cross-linux-headers"))) | |
220 | (setenv "CROSS_CPATH" | |
221 | (string-append linux "/include")) | |
222 | #t)) | |
223 | ,phases)))) | |
224 | (propagated-inputs `(("cross-linux-headers" ,xlinux-headers))) | |
225 | (inputs `(("cross-gcc" ,xgcc) | |
226 | ("cross-binutils" ,xbinutils) | |
227 | ,@(package-inputs glibc))))) | |
228 | ||
229 | \f | |
230 | ;;; | |
231 | ;;; Concrete cross toolchains. | |
232 | ;;; | |
233 | ||
234 | (define-public xgcc-mips64el | |
235 | (let ((triplet "mips64el-linux-gnu")) | |
236 | (cross-gcc triplet | |
237 | (cross-binutils triplet) | |
238 | (cross-libc triplet)))) | |
239 | ||
240 | ;; (define-public xgcc-armel | |
241 | ;; (let ((triplet "armel-linux-gnueabi")) | |
242 | ;; (cross-gcc triplet | |
243 | ;; (cross-binutils triplet) | |
244 | ;; (cross-libc triplet)))) |