* 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. --- doc/guix.texi | 8 +++++++- gnu/services/virtualization.scm | 2 +- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi index 884224fce6..3a22709821 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -27221,7 +27221,7 @@ 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} @@ -27250,6 +27250,12 @@ 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}, then of course programs for +other architectures can still be executed transparently, but invoking commands +like @command{guix build -s armhf-linux inksake} will fail with an unobvious +error that @command{guile} cannot be executed. However, the build environment +of @command{guix-daemon} then needs less store items. + @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 f435630faf..2f5a258bfe 100644 --- a/gnu/services/virtualization.scm +++ b/gnu/services/virtualization.scm @@ -717,7 +717,7 @@ potential infinite waits blocking libvirt.")) (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 -- 2.29.2