diff options
| -rw-r--r-- | doc/guix.texi | 10 | ||||
| -rw-r--r-- | guix/docker.scm | 21 | ||||
| -rw-r--r-- | guix/scripts/pack.scm | 23 |
3 files changed, 42 insertions, 12 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 3db6dad5f3..0a09bba06f 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -2476,6 +2476,12 @@ Docker Image Specification}. Attempt to build for @var{system}---e.g., @code{i686-linux}---instead of the system type of the build host. +@item --target=@var{triplet} +@cindex cross-compilation +Cross-build for @var{triplet}, which must be a valid GNU triplet, such +as @code{"mips64el-linux-gnu"} (@pxref{Specifying target triplets, GNU +configuration triplets,, autoconf, Autoconf}). + @item --compression=@var{tool} @itemx -C @var{tool} Compress the resulting tarball using @var{tool}---one of @code{gzip}, @@ -5063,8 +5069,8 @@ to build packages in a complete 32-bit environment. @item --target=@var{triplet} @cindex cross-compilation Cross-build for @var{triplet}, which must be a valid GNU triplet, such -as @code{"mips64el-linux-gnu"} (@pxref{Configuration Names, GNU -configuration triplets,, configure, GNU Configure and Build System}). +as @code{"mips64el-linux-gnu"} (@pxref{Specifying target triplets, GNU +configuration triplets,, autoconf, Autoconf}). @anchor{build-check} @item --check diff --git a/guix/docker.scm b/guix/docker.scm index 290ad3dcf1..060232148e 100644 --- a/guix/docker.scm +++ b/guix/docker.scm @@ -105,12 +105,14 @@ return \"a\"." (define* (build-docker-image image path #:key closure compressor (symlinks '()) + (system (utsname:machine (uname))) (creation-time (current-time time-utc))) "Write to IMAGE a Docker image archive from the given store PATH. The image contains the closure of PATH, as specified in CLOSURE (a file produced by #:references-graphs). SYMLINKS must be a list of (SOURCE -> TARGET) tuples describing symlinks to be created in the image, where each TARGET is relative -to PATH. +to PATH. SYSTEM is a GNU triplet (or prefix thereof) of the system the +binaries at PATH are for; it is used to produce metadata in the image. Use COMPRESSOR, a command such as '(\"gzip\" \"-9n\"), to compress IMAGE. Use CREATION-TIME, a SRFI-19 time-utc object, as the creation time in metadata." @@ -118,11 +120,18 @@ CREATION-TIME, a SRFI-19 time-utc object, as the creation time in metadata." (closure (canonicalize-path closure)) (id (docker-id path)) (time (date->string (time-utc->date creation-time) "~4")) - (arch (match (utsname:machine (uname)) - ("x86_64" "amd64") - ("i686" "386") - ("armv7l" "arm") - ("mips64" "mips64le")))) + (arch (let-syntax ((cond* (syntax-rules () + ((_ (pattern clause) ...) + (cond ((string-prefix? pattern system) + clause) + ... + (else + (error "unsupported system" + system))))))) + (cond* ("x86_64" "amd64") + ("i686" "386") + ("arm" "arm") + ("mips64" "mips64le"))))) ;; Make sure we start with a fresh, empty working directory. (mkdir directory) diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index ce7613e4a0..626c592e1c 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -73,7 +73,8 @@ found." (leave (_ "~a: compressor not found~%") name))) (define* (self-contained-tarball name profile - #:key deduplicate? + #:key target + deduplicate? (compressor (first %compressors)) localstatedir? (symlinks '()) @@ -184,14 +185,17 @@ added to the pack." #:references-graphs `(("profile" ,profile)))) (define* (docker-image name profile - #:key deduplicate? + #:key target + deduplicate? (compressor (first %compressors)) localstatedir? (symlinks '()) (tar tar)) "Return a derivation to construct a Docker image of PROFILE. The image is a tarball conforming to the Docker Image Specification, compressed -with COMPRESSOR. It can be passed to 'docker load'." +with COMPRESSOR. It can be passed to 'docker load'. If TARGET is true, it +must a be a GNU triplet and it is used to derive the architecture metadata in +the image." ;; FIXME: Honor LOCALSTATEDIR?. (define not-config? (match-lambda @@ -227,6 +231,7 @@ with COMPRESSOR. It can be passed to 'docker load'." (setenv "PATH" (string-append #$tar "/bin")) (build-docker-image #$output #$profile + #:system (or #$target (utsname:machine (uname))) #:closure "profile" #:symlinks '#$symlinks #:compressor '#$(compressor-command compressor) @@ -278,6 +283,10 @@ with COMPRESSOR. It can be passed to 'docker load'." (lambda (opt name arg result) (alist-cons 'system arg (alist-delete 'system result eq?)))) + (option '("target") #t #f + (lambda (opt name arg result) + (alist-cons 'target arg + (alist-delete 'target result eq?)))) (option '(#\C "compression") #t #f (lambda (opt name arg result) (alist-cons 'compressor (lookup-compressor arg) @@ -315,6 +324,8 @@ Create a bundle of PACKAGE.\n")) (display (_ " -s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\"")) (display (_ " + --target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\"")) + (display (_ " -C, --compression=TOOL compress using TOOL--e.g., \"lzip\"")) (display (_ " -S, --symlink=SPEC create symlinks to the profile according to SPEC")) @@ -354,6 +365,7 @@ Create a bundle of PACKAGE.\n")) (pack-format (assoc-ref opts 'format)) (name (string-append (symbol->string pack-format) "-pack")) + (target (assoc-ref opts 'target)) (compressor (assoc-ref opts 'compressor)) (symlinks (assoc-ref opts 'symlinks)) (build-image (match (assq-ref %formats pack-format) @@ -368,8 +380,11 @@ Create a bundle of PACKAGE.\n")) (run-with-store store (mlet* %store-monad ((profile (profile-derivation - (packages->manifest packages))) + (packages->manifest packages) + #:target target)) (drv (build-image name profile + #:target + target #:compressor compressor #:symlinks |