drop debug packages

debian/README.source

@@ -233,9 +233,6 @@ Several build profiles are understood and supported:
 - pkg.linux.mintools: Build minimal set of userland tool packages
   (linux-kbuild-<version>)
 - pkg.linux.nokernel: Exclude kernel image and header packages
-- pkg.linux.nokerneldbg: Exclude kernel debug packages
-- pkg.linux.nokerneldbginfo: Build kernel without debug symbols (also disables
-  BTF)
 - pkg.linux.nosource: Exclude source binary package (linux-source-<version>)
 - cross: Needed when cross-building.
 - nopython: Disable Python bindings.  This currently disables building the

debian/bin/gencontrol.py

@@ -359,14 +359,6 @@ class Gencontrol(Base):
         if config.build.enable_vdso:
             makeflags['VDSO'] = True
 
-        packages_own.extend(
-            self.bundle.add('image-dbg', ruleid, makeflags, vars, arch=arch)
-        )
-        if do_meta:
-            packages_own.extend(
-                self.bundle.add('image-dbg.meta', ruleid, makeflags, vars, arch=arch)
-            )
-
         if (
             config.defs_flavour.is_default
             # XXX

debian/rules.real

@@ -71,8 +71,7 @@ source: $(STAMPS_DIR)/source_$(FEATURESET)
 
 $(BUILD_DIR)/config.$(ARCH)_$(FEATURESET)_$(FLAVOUR): $(KCONFIG)
 	mkdir -p '$(dir $@)'
-	debian/bin/kconfig.py '$@' $(KCONFIG) $(KCONFIG_OPTIONS) \
+	debian/bin/kconfig.py '$@' $(KCONFIG) $(KCONFIG_OPTIONS)
-		$(call if_profile, pkg.linux.nokerneldbginfo pkg.linux.quick,-o DEBUG_INFO_NONE=y -o DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=n)
 
 define copy_source
 mkdir -p '$(1)'
@@ -399,6 +398,7 @@ build_image: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
 
 binary_image: DH_STRIP_ARGS = --no-automatic-dbgsym
 binary_image: REAL_VERSION = $(ABINAME)$(LOCALVERSION)
+binary_image: SYSTEM_MAP_PATH = lib/modules/$(REAL_VERSION)/System.map.xz
 binary_image: INSTALL_DIR = $(DESTDIR)/boot
 binary_image: DIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
 binary_image: DIR2 = $(BUILD_DIR)/install_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
@@ -411,8 +411,8 @@ ifneq ($(filter arm64 armel armhf mipsel mips64el mipsr6 mipsr6el mips64r6 mips6
 	dh_install --sourcedir=$(DIR2) usr
 endif
 	sed '/CONFIG_\(MODULE_SIG_\(ALL\|KEY\)\|SYSTEM_TRUSTED_KEYS\|BUILD_SALT\)[ =]/d' $(DIR)/.config > $(DESTDIR)/boot/config-$(REAL_VERSION)
-	echo "ffffffffffffffff B The real System.map is in the linux-image-<version>-dbg package" \
+	xz -9k < $(DIR)/System.map > $(DESTDIR)/$(SYSTEM_MAP_PATH)
-		> $(DESTDIR)/boot/System.map-$(REAL_VERSION)
+	echo "ffffffffffffffff B The real System.map is compressed into /$(SYSTEM_MAP_PATH)" > $(DESTDIR)/boot/System.map-$(REAL_VERSION)
 	rm $(DESTDIR)/lib/firmware -rf
 	+$(MAKE_SELF) \
 	  binary_image_bug \
@@ -425,62 +425,6 @@ binary_image_bug:
 	chmod 755 $(DESTDIR)/usr/share/bug/$(PACKAGE_NAME)/script
 	printf "RELEASE='$(REAL_VERSION)'\nDISTRIBUTOR='$(DEB_VENDOR)'\nSOURCEVERSION='$(SOURCEVERSION)'\nPACKAGE_NAME='$(PACKAGE_NAME)'\nPACKAGE_VERSION='$(SOURCEVERSION)'" > $(DESTDIR)/usr/share/bug/$(PACKAGE_NAME)/info
 
-build_image-dbg: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
-
-binary_image-dbg: REAL_VERSION = $(ABINAME)$(LOCALVERSION)
-binary_image-dbg: DEBUG_DIR = $(DESTDIR)/usr/lib/debug
-binary_image-dbg: DIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
-binary_image-dbg: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
-	$(dh_binary_pre)
-	dh_installdirs usr/lib/debug usr/lib/debug/boot usr/share/lintian/overrides/
-	install -m644 $(DIR)/vmlinux $(DEBUG_DIR)/boot/vmlinux-$(REAL_VERSION)
-	install -m644 $(DIR)/System.map $(DEBUG_DIR)/boot/System.map-$(REAL_VERSION)
-
-# cmd_sign=: Don't sign modules
-# suffix-y=: Don't compress modules
-	+$(MAKE_CLEAN) -C $(DIR) modules_install \
-		cmd_sign= \
-		suffix-y= \
-		DEPMOD='$(CURDIR)/debian/bin/no-depmod' \
-		INSTALL_MOD_PATH=$(DEBUG_DIR)
-
-# Verify we don't have any signed modules installed
-	@if find $(DEBUG_DIR)/lib/modules/$(REAL_VERSION) -name '*.ko' | xargs grep -q '~Module signature appended~'; then \
-		echo; \
-		echo 'Signed modules to be installed into debug package $(PACKAGE_NAME)'; \
-		echo; \
-		exit 1; \
-	fi
-
-# Verify we don't have any compressed modules installed
-	@if ! find $(DEBUG_DIR)/lib/modules/$(REAL_VERSION) -name '*.ko.*' -exec false {} +; then \
-		echo; \
-		echo 'Compressed modules to be installed into debug package $(PACKAGE_NAME)'; \
-		echo; \
-		exit 1; \
-	fi
-
-	find $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)/ -mindepth 1 -maxdepth 1 \! -name kernel -exec rm {} \+
-	rm $(DEBUG_DIR)/lib/firmware -rf
-ifeq ($(VDSO),True)
-	+$(MAKE_CLEAN) -C $(DIR) vdso_install INSTALL_MOD_PATH=$(DEBUG_DIR)
-# Create .build-id links.  Some architectures already do so, but in the
-# wrong place, so delete those first.
-	rm -rf $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)/vdso/.build-id
-	find $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)/vdso/ -type f | while read vdso; do \
-		if buildid="$$(readelf -n "$$vdso" | sed -rne 's/^\s+Build ID: (.*)$$/\1/p')" && [ "$$buildid" ]; then \
-			mkdir -p "$(DEBUG_DIR)/.build-id/$${buildid:0:2}"; \
-			ln -s -r "$$vdso" "$(DEBUG_DIR)/.build-id/$${buildid:0:2}/$${buildid:2}.debug"; \
-		fi; \
-	done
-endif
-# Add symlinks to vmlinux from the locations expected by kdump-tools,
-# systemtap and others
-	ln -s boot/vmlinux-$(REAL_VERSION) $(DEBUG_DIR)/
-	mkdir -p $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)
-	ln -s ../../../boot/vmlinux-$(REAL_VERSION) $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)/vmlinux
-	$(dh_binary_post)
-
 build_source:
 
 binary_source: BUILDDEB_ARGS = -Zxz -z0

debian/templates/image-dbg.control.in

@@ -1,9 +0,0 @@
-Package: linux-image-@abiname@@localversion@-dbg
-Meta-Rules-Target: image-dbg
-Build-Profiles: <!pkg.linux.nokernel !pkg.linux.nokerneldbg !pkg.linux.quick>
-Depends: ${misc:Depends}
-Section: debug
-Priority: optional
-Description: Debug symbols for linux-image-@abiname@@localversion@
- This package provides the detached debug symbols for the Linux kernel
- and modules in linux-image-@abiname@@localversion@.

debian/templates/image-dbg.lintian-overrides.j2

@@ -1,32 +0,0 @@
-# Kernel dbg packages contain a full image with debug data
-{{package}}: dbg-package-missing-depends
-
-# glibc doesn't seem to check for a PT_GNU_STACK section in vDSOs, so
-# it's OK that they don't have it
-{% if arch in ['arm64', 'armhf'] %}
-{{package}}: shared-library-lacks-stack-section *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdso.so*
-{% endif %}
-{% if arch in ['amd64', 'arm64', 'ppc64el', 's390x'] %}
-{{package}}: shared-library-lacks-stack-section *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdso32.so*
-{% endif %}
-{% if arch in ['amd64', 'ppc64el', 's390x'] %}
-{{package}}: shared-library-lacks-stack-section *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdso64.so*
-{% endif %}
-{% if arch in ['amd64'] %}
-{{package}}: shared-library-lacks-stack-section *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdsox32.so*
-{% endif %}
-
-# It is intended that 64-bit kernels provide vDSOs for 32-bit executables.
-# lintian currently allows i386 executables on amd64.
-{% if arch in ['arm64', 'ppc64el', 's390x'] %}
-{{package}}: binary-from-other-architecture *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdso32.so*
-{% endif %}
-{% if arch in ['amd64'] %}
-{{package}}: binary-from-other-architecture *usr/lib/debug/lib/modules/{{abiname}}{{localversion}}/vdso/vdsox32.so*
-{% endif %}
-
-# Some 32-bit architectures need 64-bit kernels and we still build
-# these as the "wrong" architecture rather than mandating multiarch.
-{% if arch in ['hppa', 'mips', 'mipsel', 'powerpc'] %}
-{{package}}: binary-from-other-architecture *usr/lib/debug/*
-{% endif %}

debian/templates/image-dbg.meta.control.in

@@ -1,9 +0,0 @@
-Package: linux-image@source_suffix@@localversion@-dbg
-Meta-Rules-Target: meta
-Meta-Rules-Makeflags: INSTALLDOCS_LINK_DOC=linux-image-@abiname@@localversion@-dbg
-Build-Profiles: <!pkg.linux.nokernel !pkg.linux.nokerneldbg !pkg.linux.nometa !pkg.linux.quick>
-Depends: linux-image-@abiname@@localversion@-dbg (= ${binary:Version}), ${misc:Depends}
-Provides: linux-latest-image-dbg
-Description: Debugging symbols for Linux @flavour@ configuration (meta-package)
- This package depends on the detached debugging symbols for the latest
- Linux kernel @flavour@ configuration.

debian/templates/image-dbg.meta.lintian-overrides.in

@@ -1 +0,0 @@
-@package@: wrong-section-according-to-package-name linux-image@source_suffix@-@flavour@-dbg => debug

debian/templates/image-dbg.meta.maintscript.in

@@ -1 +0,0 @@
-dir_to_symlink /usr/share/doc/@package@ linux-image-@abiname@@localversion@-dbg 5.7~rc5-1~exp1 @package@