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01/02: utils: Define a target-x86-32? and target-x86-64? predicate.
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guix-commits |
Subject: |
01/02: utils: Define a target-x86-32? and target-x86-64? predicate. |
Date: |
Sun, 7 Nov 2021 01:41:28 -0400 (EDT) |
mhw pushed a commit to branch master
in repository guix.
commit b0519cc4b04d29ea9327a117eb6c8c21547e6159
Author: Maxime Devos <maximedevos@telenet.be>
AuthorDate: Wed Jul 14 13:12:49 2021 +0200
utils: Define a target-x86-32? and target-x86-64? predicate.
* guix/utils.scm (target-x86-32?, target-x86-64?): New predicates.
* tests/utils.scm ("target-x86-32?", "target-x86-64?"): New tests.
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
---
guix/utils.scm | 20 ++++++++++++++++++++
tests/utils.scm | 23 +++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/guix/utils.scm b/guix/utils.scm
index 2920fa7..7a00640 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -79,6 +79,8 @@
%current-target-system
package-name->name+version
target-mingw?
+ target-x86-32?
+ target-x86-64?
target-arm32?
target-aarch64?
target-arm?
@@ -535,6 +537,24 @@ a character other than '@'."
(and target
(string-suffix? "-mingw32" target)))
+(define* (target-x86-32? #:optional (target (or (%current-target-system)
+ (%current-system))))
+ "Is the architecture of TARGET a variant of Intel's 32-bit architecture
+(IA32)?"
+ ;; Intel also has a 16-bit architecture in the iN86 series, i286
+ ;; (see, e.g. https://en.wikipedia.org/wiki/Intel/808286) so this
+ ;; procedure is not named target-x86?.
+ (or (string-prefix? "i386-" target)
+ (string-prefix? "i486-" target)
+ (string-prefix? "i586-" target)
+ (string-prefix? "i686-" target)))
+
+(define* (target-x86-64? #:optional (target (or (%current-target-system)
+ (%current-system))))
+ "Is the architecture of TARGET a variant of Intel/AMD's 64-bit
+architecture (x86_64)?"
+ (string-prefix? "x86_64-" target))
+
(define* (target-arm32? #:optional (target (or (%current-target-system)
(%current-system))))
(string-prefix? "arm" target))
diff --git a/tests/utils.scm b/tests/utils.scm
index 7fcbb25..2b7db73 100644
--- a/tests/utils.scm
+++ b/tests/utils.scm
@@ -289,6 +289,29 @@ skip these tests."
(string-closest "hello" '("kikoo" "helo" "hihihi" "halo"))
(string-closest "hello" '("aaaaa" "12345" "hellohello" "h"))))
+(test-equal "target-x86-32?"
+ '(#f #f #f #t #t #t #t #f)
+ ;; These are (according to Wikipedia) two RISC architectures
+ ;; by Intel and presumably not compatible with the x86-32 series.
+ (map target-x86-32?
+ '("i860-gnu" "i960-gnu"
+ ;; This is a 16-bit architecture
+ "i286-gnu"
+ ;; These are part of the x86-32 series.
+ "i386-gnu" "i486-gnu" "i586-gnu" "i686-gnu"
+ ;; Maybe this one will exist some day, but not yet.
+ "i786-gnu")))
+
+(test-equal "target-x86-64?"
+ '(#t #f #f #f)
+ (map target-x86-64?
+ `("x86_64-linux-gnu" "i386-linux-gnu"
+ ;; Just because it includes "64" doesn't make it 64-bit.
+ "aarch64-linux-gnu"
+ ;; Note that (expt 2 109) in decimal notation starts with 64.
+ ;; However, it isn't 32-bit.
+ ,(format #f "x86_~a-linux-gnu" (expt 2 109)))))
+
(test-end)
(false-if-exception (delete-file temp-file))