1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2020 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 (guix build-system)
#:use-module (guix records)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (build-system
build-system?
build-system-name
build-system-description
build-system-lower
bag
bag?
bag-name
bag-system
bag-target
bag-build-inputs
bag-host-inputs
bag-target-inputs
bag-outputs
bag-arguments
bag-build
make-bag
build-system-with-c-toolchain))
(define-record-type* <build-system> build-system make-build-system
build-system?
(name build-system-name) ; symbol
(description build-system-description) ; short description
(lower build-system-lower)) ; args ... -> bags
;; "Bags" are low-level representations of "packages". The system and target
;; of a bag is fixed when it's created. This is because build systems may
;; choose inputs as a function of the system and target.
(define-record-type* <bag> bag %make-bag
bag?
(name bag-name) ;string
(system bag-system) ;string
(target bag-target ;string | #f
(default #f))
;; Here we use build/host/target in the sense of the GNU tool chain (info
;; "(autoconf) Specifying Target Triplets").
(build-inputs bag-build-inputs ;list of packages
(default '()))
(host-inputs bag-host-inputs ;list of packages
(default '()))
;; "Target inputs" are packages that are built natively, but that are used
;; by target programs in a cross-compilation environment. Thus, they act
;; like 'inputs' as far as search paths are concerned. The only example of
;; that is the cross-libc: it is an input of 'cross-gcc', thus built
;; natively; yet, we want it to be considered as a target input for the
;; purposes of $CPATH, $LIBRARY_PATH, etc.
(target-inputs bag-target-inputs
(default '()))
(outputs bag-outputs ;list of strings
(default '("out")))
(arguments bag-arguments ;list
(default '()))
(build bag-build)) ;bag -> derivation
(define* (make-bag build-system name
#:key source (inputs '()) (native-inputs '())
(outputs '()) (arguments '())
system target)
"Ask BUILD-SYSTEM to return a 'bag' for NAME, with the given SOURCE,
INPUTS, NATIVE-INPUTS, OUTPUTS, and additional ARGUMENTS. If TARGET is not
#f, it must be a string with the GNU triplet of a cross-compilation target.
This is the mechanism by which a package is \"lowered\" to a bag, which is the
intermediate representation just above derivations."
(match build-system
(($ <build-system> _ description lower)
(apply lower name
#:system system
#:source source
#:inputs inputs
#:native-inputs native-inputs
#:outputs outputs
#:target target
arguments))))
(define (build-system-with-c-toolchain bs toolchain)
"Return a variant of BS, a build system, that uses TOOLCHAIN instead of the
default GNU C/C++ toolchain. TOOLCHAIN must be a list of
inputs (label/package tuples) providing equivalent functionality, such as the
'gcc-toolchain' package."
(define lower
(build-system-lower bs))
(define toolchain-packages
;; These are the GNU toolchain packages pulled in by GNU-BUILD-SYSTEM and
;; all the build systems that inherit from it. Keep the list in sync with
;; 'standard-packages' in (guix build-system gnu).
'("gcc" "binutils" "libc" "libc:static" "ld-wrapper"))
(define (lower* . args)
(let ((lowered (apply lower args)))
(bag
(inherit lowered)
(build-inputs
(append (fold alist-delete
(bag-build-inputs lowered)
toolchain-packages)
toolchain)))))
(build-system
(inherit bs)
(lower lower*)))
|
