Package: devscripts
Version: 2.17.12
Severity: normal
File: /usr/bin/mk-build-deps

Hello,

after

        $ mk-build-deps -ris sudo linux

I have:

        ~$ dpkg -s linux-build-deps
        Package: linux-build-deps
        Status: install ok installed
        Priority: optional
        Section: devel
        Installed-Size: 9
        Maintainer: Uwe Kleine-König <[email protected]>
        Architecture: all
        Multi-Arch: foreign
        Version: 4.15.4-1
        Depends: build-essential:amd64, debhelper (>= 10.1~), dh-exec, 
python3:any, quilt, cpio, xz-utils, dh-python, patchutils, graphviz, 
python-sphinx, python-sphinx-rtd-theme
        Description: build-dependencies for linux
         Dependency package to build the 'linux' package

This however isn't sufficient to build the linux package:

        ~/debsrc/linux$ dpkg-buildpackage 
        dpkg-buildpackage: info: source package linux
        dpkg-buildpackage: info: source version 4.15.4-2
        dpkg-buildpackage: info: source distribution UNRELEASED
        dpkg-buildpackage: info: source changed by Uwe Kleine-König 
<[email protected]>
        dpkg-buildpackage: info: host architecture amd64
         dpkg-source --before-build linux
        dpkg-source: info: using options from 
linux/debian/source/local-options: --abort-on-upstream-changes
        dpkg-source: info: using options from linux/debian/source/options: 
--compression=xz --tar-ignore=debian/*.local
        dpkg-checkbuilddeps: error: Unmet build dependencies: asciidoc-base 
xmlto libaudit-dev libbabeltrace-dev (>= 1.5.0) libbabeltrace-dev (>= 1.5.3-2~) 
| libbabeltrace-ctf-dev (>= 1.5.0) libdw-dev libelf-dev libiberty-dev 
libnewt-dev libnuma-dev libperl-dev libunwind8-dev libudev-dev libwrap0-dev 
libpci-dev
        dpkg-buildpackage: warning: build dependencies/conflicts unsatisfied; 
aborting
        dpkg-buildpackage: warning: (Use -d flag to override.)

The problem is that mk-build-deps didn't pick up the packages listed in
Build-Depends-Arch:, only those from Build-Depends (and optionally
Build-Depends-Indep).

The following patch helped me, but I don't dare to tag this bug with "patch" as
I'm not confident enough in my perl and debian-package skills. Also I think
mk-build-deps should also handle Build-Conflicts-Indep.

Best regards
Uwe

diff --git a/scripts/mk-build-deps.pl b/scripts/mk-build-deps.pl
index 261238975699..a0ab11113fd7 100755
--- a/scripts/mk-build-deps.pl
+++ b/scripts/mk-build-deps.pl
@@ -275,7 +275,7 @@ while ($control = shift) {
        }
        my $args = '';
        my $arch = 'all';
-       my ($build_deps, $build_dep, $build_indep);
+       my ($build_deps, $build_dep, $build_arch, $build_indep);
        my ($build_conflicts, $conflict_arch, $conflict_indep);
 
        if (exists $ctrl->{'Build-Depends'}) {
@@ -283,6 +283,14 @@ while ($control = shift) {
            $build_dep =~ s/\n/ /g;
            $build_deps = $build_dep;
        }
+       if (exists $ctrl->{'Build-Depends-Arch'}) {
+           $build_arch = $ctrl->{'Build-Depends-Arch'};
+           $build_arch =~ s/\n/ /g;
+           $build_dep .= ', ' if $build_dep;
+           $build_dep .= $build_arch;
+           $build_deps .= ', ' if $build_deps;
+           $build_deps .= $build_arch;
+       }
        if (exists $ctrl->{'Build-Depends-Indep'}) {
            $build_indep = $ctrl->{'Build-Depends-Indep'};
            $build_indep =~ s/\n/ /g;

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