diff options
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/build/gnu-build-system.scm | 173 | ||||
| -rw-r--r-- | guix/build/utils.scm | 164 | ||||
| -rw-r--r-- | guix/packages.scm | 20 | ||||
| -rw-r--r-- | guix/scripts/environment.scm | 8 | ||||
| -rw-r--r-- | guix/scripts/package.scm | 28 | ||||
| -rw-r--r-- | guix/utils.scm | 24 |
6 files changed, 317 insertions, 100 deletions
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index 17fa7afd8d..2880168273 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -20,6 +20,7 @@ #:use-module (guix build utils) #:use-module (ice-9 ftw) #:use-module (ice-9 match) + #:use-module (ice-9 regex) #:use-module (ice-9 format) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) @@ -72,19 +73,23 @@ input-directories))) (for-each (match-lambda - ((env-var (directories ...) separator) - (set-path-environment-variable env-var directories + ((env-var (files ...) separator type pattern) + (set-path-environment-variable env-var files input-directories - #:separator separator))) + #:separator separator + #:type type + #:pattern pattern))) search-paths) (when native-search-paths ;; Search paths for native inputs, when cross building. (for-each (match-lambda - ((env-var (directories ...) separator) - (set-path-environment-variable env-var directories + ((env-var (files ...) separator type pattern) + (set-path-environment-variable env-var files native-input-directories - #:separator separator))) + #:separator separator + #:type type + #:pattern pattern))) native-search-paths)) #t) @@ -110,29 +115,15 @@ working directory." (define* (patch-usr-bin-file #:key native-inputs inputs (patch-/usr/bin/file? #t) #:allow-other-keys) - "Patch occurrences of /usr/bin/file in configure, if present." + "Patch occurrences of \"/usr/bin/file\" in all the executable 'configure' +files found in the source tree. This works around Libtool's Autoconf macros, +which generates invocations of \"/usr/bin/file\" that are used to determine +things like the ABI being used." (when patch-/usr/bin/file? - (let ((file "configure") - (file-command (or (and=> (assoc-ref (or native-inputs inputs) "file") - (cut string-append <> "/bin/file")) - (which "file")))) - (cond ((not (file-exists? file)) - (format (current-error-port) - "patch-usr-bin-file: warning: `~a' not found~%" - file)) - ((not file-command) - (format (current-error-port) - "patch-usr-bin-file: warning: `file' not found in PATH~%")) - (else - (let ((st (stat file))) - (substitute* file - (("/usr/bin/file") - (begin - (format (current-error-port) - "patch-usr-bin-file: ~a: changing `~a' to `~a'~%" - file "/usr/bin/file" file-command) - file-command))) - (set-file-time file st)))))) + (for-each (lambda (file) + (when (executable-file? file) + (patch-/usr/bin/file file))) + (find-files "." "^configure$"))) #t) (define* (patch-source-shebangs #:key source #:allow-other-keys) @@ -236,18 +227,11 @@ makefiles." (string-append srcdir "/configure") flags)))) -(define %parallel-job-count - ;; String to be passed next to GNU Make's `-j' argument. - (match (getenv "NIX_BUILD_CORES") - (#f "1") - ("0" (number->string (current-processor-count))) - (x x))) - (define* (build #:key (make-flags '()) (parallel-build? #t) #:allow-other-keys) (zero? (apply system* "make" `(,@(if parallel-build? - `("-j" ,%parallel-job-count) + `("-j" ,(number->string (parallel-job-count))) '()) ,@make-flags)))) @@ -257,7 +241,7 @@ makefiles." (if tests? (zero? (apply system* "make" test-target `(,@(if parallel-tests? - `("-j" ,%parallel-job-count) + `("-j" ,(number->string (parallel-job-count))) '()) ,@make-flags))) (begin @@ -267,7 +251,7 @@ makefiles." (define* (install #:key (make-flags '()) #:allow-other-keys) (zero? (apply system* "make" "install" make-flags))) -(define* (patch-shebangs #:key outputs (patch-shebangs? #t) +(define* (patch-shebangs #:key inputs outputs (patch-shebangs? #t) #:allow-other-keys) (define (list-of-files dir) (map (cut string-append dir "/" <>) @@ -276,20 +260,26 @@ makefiles." (eq? 'regular (stat:type s))))) '()))) - (define bindirs - (append-map (match-lambda - ((_ . dir) - (list (string-append dir "/bin") - (string-append dir "/sbin")))) - outputs)) + (define bin-directories + (match-lambda + ((_ . dir) + (list (string-append dir "/bin") + (string-append dir "/sbin"))))) + + (define output-bindirs + (append-map bin-directories outputs)) + + (define input-bindirs + ;; Shebangs should refer to binaries of the target system---i.e., from + ;; "inputs", not from "native-inputs". + (append-map bin-directories inputs)) (when patch-shebangs? - (let ((path (append bindirs - (search-path-as-string->list (getenv "PATH"))))) + (let ((path (append output-bindirs input-bindirs))) (for-each (lambda (dir) (let ((files (list-of-files dir))) (for-each (cut patch-shebang <> path) files))) - bindirs))) + output-bindirs))) #t) (define* (strip #:key target outputs (strip-binaries? #t) @@ -350,7 +340,9 @@ makefiles." debug-output objcopy-command)) (file-system-fold (const #t) (lambda (path stat result) ; leaf - (and (or (not debug-output) + (and (file-exists? path) ;discard dangling symlinks + (or (elf-file? path) (ar-file? path)) + (or (not debug-output) (make-debug-file path)) (zero? (apply system* strip-command (append strip-flags (list path)))) @@ -377,6 +369,85 @@ makefiles." strip-directories))) outputs)))) +(define* (validate-documentation-location #:key outputs + #:allow-other-keys) + "Documentation should go to 'share/info' and 'share/man', not just 'info/' +and 'man/'. This phase moves directories to the right place if needed." + (define (validate-sub-directory output sub-directory) + (let ((directory (string-append output "/" sub-directory))) + (when (directory-exists? directory) + (let ((target (string-append output "/share/" sub-directory))) + (format #t "moving '~a' to '~a'~%" directory target) + (mkdir-p (dirname target)) + (rename-file directory target))))) + + (define (validate-output output) + (for-each (cut validate-sub-directory output <>) + '("man" "info"))) + + (match outputs + (((names . directories) ...) + (for-each validate-output directories))) + #t) + +(define* (compress-documentation #:key outputs + (compress-documentation? #t) + (documentation-compressor "gzip") + (documentation-compressor-flags + '("--best" "--no-name")) + (compressed-documentation-extension ".gz") + #:allow-other-keys) + "When COMPRESS-DOCUMENTATION? is true, compress man pages and Info files +found in OUTPUTS using DOCUMENTATION-COMPRESSOR, called with +DOCUMENTATION-COMPRESSOR-FLAGS." + (define (retarget-symlink link) + (let ((target (readlink link))) + (delete-file link) + (symlink (string-append target compressed-documentation-extension) + link))) + + (define (has-links? file) + ;; Return #t if FILE has hard links. + (> (stat:nlink (lstat file)) 1)) + + (define (maybe-compress-directory directory regexp) + (or (not (directory-exists? directory)) + (match (find-files directory regexp) + (() ;nothing to compress + #t) + ((files ...) ;one or more files + (format #t + "compressing documentation in '~a' with ~s and flags ~s~%" + directory documentation-compressor + documentation-compressor-flags) + (call-with-values + (lambda () + (partition symbolic-link? files)) + (lambda (symlinks regular-files) + ;; Compress the non-symlink files, and adjust symlinks to refer + ;; to the compressed files. Leave files that have hard links + ;; unchanged ('gzip' would refuse to compress them anyway.) + (and (zero? (apply system* documentation-compressor + (append documentation-compressor-flags + (remove has-links? regular-files)))) + (every retarget-symlink + (filter (cut string-match regexp <>) + symlinks))))))))) + + (define (maybe-compress output) + (and (maybe-compress-directory (string-append output "/share/man") + "\\.[0-9]+$") + (maybe-compress-directory (string-append output "/share/info") + "\\.info(-[0-9]+)?$"))) + + (if compress-documentation? + (match outputs + (((names . directories) ...) + (every maybe-compress directories))) + (begin + (format #t "not compressing documentation~%") + #t))) + (define %standard-phases ;; Standard build phases, as a list of symbol/procedure pairs. (let-syntax ((phases (syntax-rules () @@ -385,7 +456,9 @@ makefiles." patch-usr-bin-file patch-source-shebangs configure patch-generated-file-shebangs build check install - patch-shebangs strip))) + patch-shebangs strip + validate-documentation-location + compress-documentation))) (define* (gnu-build #:key (source #f) (outputs #f) (inputs #f) diff --git a/guix/build/utils.scm b/guix/build/utils.scm index cda4fb12ef..4407f9af23 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; @@ -31,15 +31,21 @@ #:re-export (alist-cons alist-delete) #:export (%store-directory + parallel-job-count + directory-exists? executable-file? + symbolic-link? call-with-ascii-input-file + elf-file? + ar-file? with-directory-excursion mkdir-p copy-recursively delete-file-recursively find-files + search-path-as-list set-path-environment-variable search-path-as-string->list list->search-path-as-string @@ -55,6 +61,7 @@ set-file-time patch-shebang patch-makefile-SHELL + patch-/usr/bin/file fold-port-matches remove-store-references wrap-program)) @@ -69,6 +76,14 @@ (or (getenv "NIX_STORE") "/gnu/store")) +(define parallel-job-count + ;; Number of processes to be passed next to GNU Make's `-j' argument. + (make-parameter + (match (getenv "NIX_BUILD_CORES") ;set by the daemon + (#f 1) + ("0" (current-processor-count)) + (x (or (string->number x) 1))))) + (define (directory-exists? dir) "Return #t if DIR exists and is a directory." (let ((s (stat dir #f))) @@ -81,6 +96,10 @@ (and s (not (zero? (logand (stat:mode s) #o100)))))) +(define (symbolic-link? file) + "Return #t if FILE is a symbolic link (aka. \"symlink\".)" + (eq? (stat:type (lstat file)) 'symlink)) + (define (call-with-ascii-input-file file proc) "Open FILE as an ASCII or binary file, and pass the resulting port to PROC. FILE is closed when PROC's dynamic extent is left. Return the @@ -96,6 +115,42 @@ return values of applying PROC to the port." (lambda () (close-input-port port))))) +(define (file-header-match header) + "Return a procedure that returns true when its argument is a file starting +with the bytes in HEADER, a bytevector." + (define len + (bytevector-length header)) + + (lambda (file) + "Return true if FILE starts with the right magic bytes." + (define (get-header) + (call-with-input-file file + (lambda (port) + (get-bytevector-n port len)) + #:binary #t #:guess-encoding #f)) + + (catch 'system-error + (lambda () + (equal? (get-header) header)) + (lambda args + (if (= EISDIR (system-error-errno args)) + #f ;FILE is a directory + (apply throw args)))))) + +(define %elf-magic-bytes + ;; Magic bytes of ELF files. See <elf.h>. + (u8-list->bytevector (map char->integer (string->list "\x7FELF")))) + +(define elf-file? + (file-header-match %elf-magic-bytes)) + +(define %ar-magic-bytes + ;; Magic bytes of archives created by 'ar'. See <ar.h>. + (u8-list->bytevector (map char->integer (string->list "!<arch>\n")))) + +(define ar-file? + (file-header-match %ar-magic-bytes)) + (define-syntax-rule (with-directory-excursion dir body ...) "Run BODY with DIR as the process's current directory." (let ((init (getcwd))) @@ -237,23 +292,37 @@ matches REGEXP." ;;; Search paths. ;;; -(define (search-path-as-list sub-directories input-dirs) - "Return the list of directories among SUB-DIRECTORIES that exist in -INPUT-DIRS. Example: +(define* (search-path-as-list files input-dirs + #:key (type 'directory) pattern) + "Return the list of directories among FILES of the given TYPE (a symbol as +returned by 'stat:type') that exist in INPUT-DIRS. Example: (search-path-as-list '(\"share/emacs/site-lisp\" \"share/emacs/24.1\") (list \"/package1\" \"/package2\" \"/package3\")) => (\"/package1/share/emacs/site-lisp\" \"/package3/share/emacs/site-lisp\") +When PATTERN is true, it is a regular expression denoting file names to look +for under the directories designated by FILES. For example: + + (search-path-as-list '(\"xml\") (list docbook-xml docbook-xsl) + #:type 'regular + #:pattern \"^catalog\\\\.xml$\") + => (\"/…/xml/dtd/docbook/catalog.xml\" + \"/…/xml/xsl/docbook-xsl-1.78.1/catalog.xml\") " (append-map (lambda (input) - (filter-map (lambda (dir) - (let ((dir (string-append input "/" - dir))) - (and (directory-exists? dir) - dir))) - sub-directories)) + (append-map (lambda (file) + (let ((file (string-append input "/" file))) + ;; XXX: By using 'find-files', we implicitly + ;; assume #:type 'regular. + (if pattern + (find-files file pattern) + (let ((stat (stat file #f))) + (if (and stat (eq? type (stat:type stat))) + (list file) + '()))))) + files)) input-dirs)) (define (list->search-path-as-string lst separator) @@ -262,16 +331,31 @@ INPUT-DIRS. Example: (define* (search-path-as-string->list path #:optional (separator #\:)) (string-tokenize path (char-set-complement (char-set separator)))) -(define* (set-path-environment-variable env-var sub-directories input-dirs - #:key (separator ":")) - "Look for each of SUB-DIRECTORIES in INPUT-DIRS. Set ENV-VAR to a -SEPARATOR-separated path accordingly. Example: +(define* (set-path-environment-variable env-var files input-dirs + #:key + (separator ":") + (type 'directory) + pattern) + "Look for each of FILES of the given TYPE (a symbol as returned by +'stat:type') in INPUT-DIRS. Set ENV-VAR to a SEPARATOR-separated path +accordingly. Example: (set-path-environment-variable \"PKG_CONFIG\" '(\"lib/pkgconfig\") (list package1 package2)) + +When PATTERN is not #f, it must be a regular expression (really a string) +denoting file names to look for under the directories designated by FILES: + + (set-path-environment-variable \"XML_CATALOG_FILES\" + '(\"xml\") + (list docbook-xml docbook-xsl) + #:type 'regular + #:pattern \"^catalog\\\\.xml$\") " - (let* ((path (search-path-as-list sub-directories input-dirs)) + (let* ((path (search-path-as-list files input-dirs + #:type type + #:pattern pattern)) (value (list->search-path-as-string path separator))) (if (string-null? value) (begin @@ -365,10 +449,11 @@ PROC's result is returned." (false-if-exception (delete-file template)))))) (define (substitute file pattern+procs) - "PATTERN+PROCS is a list of regexp/two-argument procedure. For each line -of FILE, and for each PATTERN that it matches, call the corresponding PROC -as (PROC LINE MATCHES); PROC must return the line that will be written as a -substitution of the original line." + "PATTERN+PROCS is a list of regexp/two-argument-procedure pairs. For each +line of FILE, and for each PATTERN that it matches, call the corresponding +PROC as (PROC LINE MATCHES); PROC must return the line that will be written as +a substitution of the original line. Be careful about using '$' to match the +end of a line; by itself it won't match the terminating newline of a line." (let ((rx+proc (map (match-lambda (((? regexp? pattern) . proc) (cons pattern proc)) @@ -428,7 +513,10 @@ When one of the MATCH-VAR is `_', no variable is bound to the corresponding match substring. Alternatively, FILE may be a list of file names, in which case they are -all subject to the substitutions." +all subject to the substitutions. + +Be careful about using '$' to match the end of a line; by itself it won't +match the terminating newline of a line." ((substitute* file ((regexp match-var ...) body ...) ...) (let () (define (substitute-one-file file-name) @@ -572,9 +660,7 @@ When KEEP-MTIME? is true, the atime/mtime of FILE are kept unchanged." ;; XXX: Unlike with `patch-shebang', FILE is always touched. (define (find-shell name) - (let ((shell - (search-path (search-path-as-string->list (getenv "PATH")) - name))) + (let ((shell (which name))) (unless shell (format (current-error-port) "patch-makefile-SHELL: warning: no binary for shell `~a' found in $PATH~%" @@ -583,7 +669,7 @@ When KEEP-MTIME? is true, the atime/mtime of FILE are kept unchanged." (let ((st (stat file))) (substitute* file - (("^ *SHELL[[:blank:]]*=[[:blank:]]*([[:graph:]]*/)([[:graph:]]+)(.*)$" + (("^ *SHELL[[:blank:]]*:?=[[:blank:]]*([[:graph:]]*/)([[:graph:]]+)(.*)$" _ dir shell args) (let* ((old (string-append dir shell)) (new (or (find-shell shell) old))) @@ -596,6 +682,29 @@ When KEEP-MTIME? is true, the atime/mtime of FILE are kept unchanged." (when keep-mtime? (set-file-time file st)))) +(define* (patch-/usr/bin/file file + #:key + (file-command (which "file")) + (keep-mtime? #t)) + "Patch occurrences of \"/usr/bin/file\" in FILE, replacing them with +FILE-COMMAND. When KEEP-MTIME? is true, keep FILE's modification time +unchanged." + (if (not file-command) + (format (current-error-port) + "patch-/usr/bin/file: warning: \ +no replacement 'file' command, doing nothing~%") + (let ((st (stat file))) + (substitute* file + (("/usr/bin/file") + (begin + (format (current-error-port) + "patch-/usr/bin/file: ~a: changing `~a' to `~a'~%" + file "/usr/bin/file" file-command) + file-command))) + + (when keep-mtime? + (set-file-time file st))))) + (define* (fold-port-matches proc init pattern port #:optional (unmatched (lambda (_ r) r))) "Read from PORT character-by-character; for each match against @@ -707,7 +816,7 @@ contents: #!location/of/bin/bash export PATH=\"/gnu/.../bar/bin\" export CERT_PATH=\"$CERT_PATH${CERT_PATH:+:}/gnu/.../baz/certs:/qux/certs\" - exec location/of/.foo-real + exec -a location/of/foo location/of/.foo-real \"$@\" This is useful for scripts that expect particular programs to be in $PATH, for programs that expect particular shared libraries to be in $LD_LIBRARY_PATH, or @@ -731,6 +840,7 @@ the previous wrapper." (copy-file prog prog-real) prog-real) (wrapper-file-name number))) + (let* ((number (next-wrapper-number)) (target (wrapper-target number)) (wrapper (wrapper-file-name (1+ number))) @@ -760,10 +870,11 @@ the previous wrapper." (with-output-to-file prog-tmp (lambda () (format #t - "#!~a~%~a~%exec \"~a\" \"$@\"~%" + "#!~a~%~a~%exec -a \"~a\" \"~a\" \"$@\"~%" (which "bash") (string-join (map export-variable vars) "\n") + (canonicalize-path prog) (canonicalize-path target)))) (chmod prog-tmp #o755) @@ -773,6 +884,7 @@ the previous wrapper." ;;; Local Variables: ;;; eval: (put 'call-with-output-file/atomic 'scheme-indent-function 1) +;;; eval: (put 'call-with-ascii-input-file 'scheme-indent-function 1) ;;; eval: (put 'with-throw-handler 'scheme-indent-function 1) ;;; eval: (put 'let-matches 'scheme-indent-function 3) ;;; eval: (put 'with-atomic-file-replacement 'scheme-indent-function 1) diff --git a/guix/packages.scm b/guix/packages.scm index 05ba389ad6..db14f9e0b8 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -180,16 +180,21 @@ representation." (define-record-type* <search-path-specification> search-path-specification make-search-path-specification search-path-specification? - (variable search-path-specification-variable) - (directories search-path-specification-directories) - (separator search-path-specification-separator (default ":"))) + (variable search-path-specification-variable) ;string + (files search-path-specification-files) ;list of strings + (separator search-path-specification-separator ;string + (default ":")) + (file-type search-path-specification-file-type ;symbol + (default 'directory)) + (file-pattern search-path-specification-file-pattern ;#f | string + (default #f))) (define (search-path-specification->sexp spec) "Return an sexp representing SPEC, a <search-path-specification>. The sexp corresponds to the arguments expected by `set-path-environment-variable'." (match spec - (($ <search-path-specification> variable directories separator) - `(,variable ,directories ,separator)))) + (($ <search-path-specification> variable files separator type pattern) + `(,variable ,files ,separator ,type ,pattern)))) (define %supported-systems ;; This is the list of system types that are supported. By default, we @@ -410,7 +415,10 @@ IMPORTED-MODULES specify modules to use/import for use by SNIPPET." (define (apply-patch input) (let ((patch* (assoc-ref %build-inputs input))) (format (current-error-port) "applying '~a'...~%" patch*) - (zero? (system* patch "--batch" ,@flags "--input" patch*)))) + + ;; Use '--force' so that patches that do not apply perfectly are + ;; rejected. + (zero? (system* patch "--force" ,@flags "--input" patch*)))) (define (first-file directory) ;; Return the name of the first file in DIRECTORY. diff --git a/guix/scripts/environment.scm b/guix/scripts/environment.scm index af196036d5..ffa3a09799 100644 --- a/guix/scripts/environment.scm +++ b/guix/scripts/environment.scm @@ -45,17 +45,15 @@ path value is appended." (($ <search-path-specification> variable directories separator) (let* ((current (getenv variable)) - (path ((@@ (guix build utils) search-path-as-list) - directories paths)) - (value (list->search-path-as-string path separator))) + (path (search-path-as-list directories paths)) + (value (list->search-path-as-string path separator))) (proc variable (if (and current (not pure?)) (string-append value separator current) value))))) (cons* (search-path-specification (variable "PATH") - (directories '("bin" "sbin")) - (separator ":")) + (files '("bin" "sbin"))) (delete-duplicates (append-map package-native-search-paths inputs)))))) diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index 21dc66cb75..30b0658198 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -29,7 +29,8 @@ #:use-module (guix utils) #:use-module (guix config) #:use-module (guix scripts build) - #:use-module ((guix build utils) #:select (directory-exists? mkdir-p)) + #:use-module ((guix build utils) + #:select (directory-exists? mkdir-p search-path-as-list)) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (ice-9 regex) @@ -362,19 +363,24 @@ current settings and report only settings not already effective." (define search-path-definition (match-lambda - (($ <search-path-specification> variable directories separator) - (let ((values (or (and=> (getenv variable) - (cut string-tokenize* <> separator)) - '())) - (directories (filter file-exists? - (map (cut string-append profile - "/" <>) - directories)))) - (if (every (cut member <> values) directories) + (($ <search-path-specification> variable files separator + type pattern) + (let* ((values (or (and=> (getenv variable) + (cut string-tokenize* <> separator)) + '())) + ;; Add a trailing slash to force symlinks to be treated as + ;; directories when 'find-files' traverses them. + (files (if pattern + (map (cut string-append <> "/") files) + files)) + (path (search-path-as-list files (list profile) + #:type type + #:pattern pattern))) + (if (every (cut member <> values) path) #f (format #f "export ~a=\"~a\"" variable - (string-join directories separator))))))) + (string-join path separator))))))) (let* ((packages (filter-map manifest-entry->package entries)) (search-paths (delete-duplicates diff --git a/guix/utils.scm b/guix/utils.scm index d0d2e8a3d4..1c619c3ef9 100644 --- a/guix/utils.scm +++ b/guix/utils.scm @@ -1,6 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> -;;; Copyright © 2013 Mark H Weaver <mhw@netris.org> +;;; Copyright © 2013, 2014, 2015 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2014 Ian Denhardt <ian@zenhack.net> ;;; @@ -61,6 +61,7 @@ location-column source-properties->location + nix-system->gnu-triplet gnu-triplet->nix-system %current-system %current-target-system @@ -476,6 +477,23 @@ previous value of the keyword argument." (() (reverse before))))))) +(define* (nix-system->gnu-triplet + #:optional (system (%current-system)) (vendor "unknown")) + "Return a guess of the GNU triplet corresponding to Nix system +identifier SYSTEM." + (match system + ("armhf-linux" + (string-append "arm-" vendor "-linux-gnueabihf")) + (_ + (let* ((dash (string-index system #\-)) + (arch (substring system 0 dash)) + (os (substring system (+ 1 dash)))) + (string-append arch + "-" vendor "-" + (if (string=? os "linux") + "linux-gnu" + os)))))) + (define (gnu-triplet->nix-system triplet) "Return the Nix system type corresponding to TRIPLET, a GNU triplet as returned by `config.guess'." @@ -484,7 +502,9 @@ returned by `config.guess'." (lambda (m) (string-append "i686-" (match:substring m 1)))) (else triplet)))) - (cond ((string-match "^([^-]+)-([^-]+-)?linux-gnu.*" triplet) + (cond ((string-match "^arm[^-]*-([^-]+-)?linux-gnueabihf" triplet) + "armhf-linux") + ((string-match "^([^-]+)-([^-]+-)?linux-gnu.*" triplet) => (lambda (m) ;; Nix omits `-gnu' for GNU/Linux. |