From d4f5ea502d2c8358c2cf5fffd96cba0ac233984f Mon Sep 17 00:00:00 2001 From: Stefan Date: Thu, 7 Jan 2021 21:44:22 +0100 Subject: services: qemu-binfmt: 'guix-support?' defaults to #t. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * gnu/services/virtualization.scm (qemu-binfmt-service-type)[guix-support?]: Change the default from #f to #t. * doc/guix.texi (Transparent Emulation with QEMU): Change the default of ‘guix-support?’ from #f to #t. Describe the implication of setting it to #f. Co-authored-by: Ludovic Courtès --- doc/guix.texi | 6 +++++- gnu/services/virtualization.scm | 2 +- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/doc/guix.texi b/doc/guix.texi index cea7f8a8cf..1234834945 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -27338,7 +27338,7 @@ This is the configuration for the @code{qemu-binfmt} service. The list of emulated QEMU platforms. Each item must be a @dfn{platform object} as returned by @code{lookup-qemu-platforms} (see below). -@item @code{guix-support?} (default: @code{#f}) +@item @code{guix-support?} (default: @code{#t}) When it is true, QEMU and all its dependencies are added to the build environment of @command{guix-daemon} (@pxref{Invoking guix-daemon, @option{--chroot-directory} option}). This allows the @code{binfmt_misc} @@ -27367,6 +27367,10 @@ build}, transparently using QEMU to emulate the ARMv7 CPU. Pretty handy if you'd like to test a package build for an architecture you don't have access to! +When @code{guix-support?} is set to @code{#f}, programs for other +architectures can still be executed transparently, but invoking commands +like @command{guix build -s armhf-linux @dots{}} will fail. + @item @code{qemu} (default: @code{qemu}) The QEMU package to use. @end table diff --git a/gnu/services/virtualization.scm b/gnu/services/virtualization.scm index f8d413d18e..a45da14a80 100644 --- a/gnu/services/virtualization.scm +++ b/gnu/services/virtualization.scm @@ -717,7 +717,7 @@ (define-record-type* (platforms qemu-binfmt-configuration-platforms (default '())) ;safest default (guix-support? qemu-binfmt-configuration-guix-support? - (default #f))) + (default #t))) (define (qemu-platform->binfmt qemu platform) "Return a gexp that evaluates to a binfmt string for PLATFORM, using the -- cgit v1.2.3