debian/control: Move many build dependencies to Build-Depends-Arch field

debian/bin/gencontrol.py

@@ -338,7 +338,7 @@ class Gencontrol(Base):
         for group in relations_compiler_build_dep:
             for item in group:
                 item.arches = [arch]
-        packages['source']['Build-Depends'].extend(relations_compiler_build_dep)
+        packages['source']['Build-Depends-Arch'].extend(relations_compiler_build_dep)
 
         image_fields = {'Description': PackageDescription()}
         for field in 'Depends', 'Provides', 'Suggests', 'Recommends', 'Conflicts', 'Breaks':

debian/changelog

@@ -24,6 +24,7 @@ linux (4.13.4-1~exp1) UNRELEASED; urgency=medium
     - Change all binary packages with priority: extra to priority: optional
     - Install copyright file (and some other documentation) when the nodoc
       profile is used
+  * debian/control: Move many build dependencies to Build-Depends-Arch field
 
   [ Uwe Kleine-König ]
   * [arm64] really enable NET_DSA_MV88E6XXX for Espressobin

debian/lib/python/debian_linux/debian.py

@@ -442,6 +442,7 @@ class Package(_ControlFileDict):
         ('Uploaders', str),
         ('Standards-Version', str),
         ('Build-Depends', PackageRelation),
+        ('Build-Depends-Arch', PackageRelation),
         ('Build-Depends-Indep', PackageRelation),
         ('Provides', PackageRelation),
         ('Pre-Depends', PackageRelation),

debian/templates/control.source.in

@@ -13,6 +13,9 @@ Build-Depends:
  cpio <!stage1>,
 # used by upstream to compress kernel and by debian/rules.real to build linux-source
  xz-utils <!stage1>,
+# used by debian/rules.real to build linux-perf and linux-support
+ dh-python <!stage1>,
+Build-Depends-Arch:
 # used by debian/rules.real to build udebs
  kernel-wedge (>= 2.93~) <!stage1>,
 # used by kernel-wedge (only on Linux, thus not declared as a dependency)
@@ -55,8 +58,6 @@ Build-Depends:
  rsync <!stage1 !pkg.linux.notools>,
 # used by upstream to build cpupower
  libpci-dev <!stage1 !pkg.linux.notools>,
-# used by debian/rules.real to build linux-perf and linux-support
- dh-python <!stage1>,
 Build-Depends-Indep:
 # used by debian/rules.real to build linux-source
  patchutils <!stage1>,