Kbuild fixes for v6.10 (third)

- Remove the executable bit from installed DTB files
 
  - Escape $ in subshell execution in the debian-orig target
 
  - Fix RPM builds with CONFIG_MODULES=n
 
  - Fix xconfig with the O= option
 
  - Fix scripts_gdb with the O= option
 -----BEGIN PGP SIGNATURE-----
 
 iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmaBjccVHG1hc2FoaXJv
 eUBrZXJuZWwub3JnAAoJED2LAQed4NsGkugP+wdEiVWMpps+/CpTJuvSroEv0Kos
 Qqy0iQO9JP77tHfLnnMG2+tSvJh6nk7weitoiSkUuCfXde/8Y7HfvdldxzJI4kJD
 HkJF6b0MCbZDPkvAQhj8CCtsGKNy7X020047/qVUK9OrNH1HZiLOvFNirYuN3nrF
 T4/HK098S1ij8oAcF1F7psB231pXijQmIeMpVJAhjh9T3Kimu3tGENcVi1yu42tg
 /emZvhgst1eCOz/e02GHt7n8v5SncYnT5/eBPmZ+nd19uW1QMLY0xES6/dpEd/hN
 /jjMppqPPlJaYewIHXH8qaejcjyom/CBgxc9B6phGRd8IVR4YjK6DzPiwoAHXcvs
 KWoJUfLX4FV3PvoaW4XiKifW4lnaADy11bZjIXiV2PHSM/PBNNNtS6BZQv/gB+Sa
 a5qPRGjhc55pDIv63vTdEZ1HekWp8/XO5HkzWAFnInB+Fnuxqtwx8a6taM7Vgadq
 O1K4b17UedmFMHSB4UUDKra+7pS0ZP6hLXzozGf3AS/TgUHMTvU8mN0+2k4kxJol
 dA84pJUHBdnn/61SplNw2PBfP7QYhNJWfPU91Mn/noBwF/sMRFatCuFEgscgP2h+
 0itls2RT1Z4dPN/XN7UiJ8s4vdeYkwCJGhMDIfFe/g3JWFYTuGPeKATVPJZ0DWzz
 6otCioAfqFFotky7
 =JlIv
 -----END PGP SIGNATURE-----

Merge tag 'kbuild-fixes-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Remove the executable bit from installed DTB files

 - Escape $ in subshell execution in the debian-orig target

 - Fix RPM builds with CONFIG_MODULES=n

 - Fix xconfig with the O= option

 - Fix scripts_gdb with the O= option

* tag 'kbuild-fixes-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: scripts/gdb: bring the "abspath" back
  kbuild: Use $(obj)/%.cc to fix host C++ module builds
  kbuild: rpm-pkg: fix build error with CONFIG_MODULES=n
  kbuild: Fix build target deb-pkg: ln: failed to create hard link
  kbuild: doc: Update default INSTALL_MOD_DIR from extra to updates
  kbuild: Install dtb files as 0644 in Makefile.dtbinst

Documentation/kbuild/modules.rst

@@ -128,7 +128,7 @@ executed to make module versioning work.
 
 	modules_install
 		Install the external module(s). The default location is
-		/lib/modules/<kernel_release>/extra/, but a prefix may
+		/lib/modules/<kernel_release>/updates/, but a prefix may
 		be added with INSTALL_MOD_PATH (discussed in section 5).
 
 	clean
@@ -417,7 +417,7 @@ directory:
 
 And external modules are installed in:
 
-	/lib/modules/$(KERNELRELEASE)/extra/
+	/lib/modules/$(KERNELRELEASE)/updates/
 
 5.1 INSTALL_MOD_PATH
 --------------------
@@ -438,10 +438,10 @@ And external modules are installed in:
 -------------------
 
 	External modules are by default installed to a directory under
-	/lib/modules/$(KERNELRELEASE)/extra/, but you may wish to
+	/lib/modules/$(KERNELRELEASE)/updates/, but you may wish to
 	locate modules for a specific functionality in a separate
 	directory. For this purpose, use INSTALL_MOD_DIR to specify an
-	alternative name to "extra."::
+	alternative name to "updates."::
 
 		$ make INSTALL_MOD_DIR=gandalf -C $KDIR \
 		       M=$PWD modules_install

scripts/Makefile.dtbinst

@@ -17,7 +17,7 @@ include $(srctree)/scripts/Kbuild.include
 dst := $(INSTALL_DTBS_PATH)
 
 quiet_cmd_dtb_install = INSTALL $@
-      cmd_dtb_install = install -D $< $@
+      cmd_dtb_install = install -D -m 0644 $< $@
 
 $(dst)/%: $(obj)/%
 	$(call cmd,dtb_install)

scripts/Makefile.host

@@ -146,7 +146,7 @@ $(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
 # Create .o file from a single .cc (C++) file
 quiet_cmd_host-cxxobjs	= HOSTCXX $@
       cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
-$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
+$(host-cxxobjs): $(obj)/%.o: $(obj)/%.cc FORCE
 	$(call if_changed_dep,host-cxxobjs)
 
 # Create executable from a single Rust crate (which may consist of

scripts/Makefile.package

@@ -103,7 +103,7 @@ debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-
 debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix)
 debian-orig: mkdebian-opts = --need-source
 debian-orig: linux.tar$(debian-orig-suffix) debian
-	$(Q)if [ "$(df  --output=target .. 2>/dev/null)" = "$(df --output=target $< 2>/dev/null)" ]; then \
+	$(Q)if [ "$$(df  --output=target .. 2>/dev/null)" = "$$(df --output=target $< 2>/dev/null)" ]; then \
 		ln -f $< ../$(orig-name); \
 	else \
 		cp $< ../$(orig-name); \

scripts/gdb/linux/Makefile

@@ -5,7 +5,7 @@ ifdef building_out_of_srctree
 symlinks := $(patsubst $(src)/%,%,$(wildcard $(src)/*.py))
 
 quiet_cmd_symlink = SYMLINK $@
-      cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(src)/%,$@) $@
+      cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(src))/%,$@) $@
 
 always-y += $(symlinks)
 $(addprefix $(obj)/, $(symlinks)): FORCE

scripts/package/kernel.spec

@@ -57,7 +57,8 @@ patch -p1 < %{SOURCE2}
 %install
 mkdir -p %{buildroot}/lib/modules/%{KERNELRELEASE}
 cp $(%{make} %{makeflags} -s image_name) %{buildroot}/lib/modules/%{KERNELRELEASE}/vmlinuz
-%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} modules_install
+# DEPMOD=true makes depmod no-op. We do not package depmod-generated files.
+%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} DEPMOD=true modules_install
 %{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
 cp System.map %{buildroot}/lib/modules/%{KERNELRELEASE}
 cp .config %{buildroot}/lib/modules/%{KERNELRELEASE}/config
@@ -70,10 +71,7 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
 %endif
 
 {
-	for x in System.map config kernel modules.builtin \
-			modules.builtin.modinfo modules.order vmlinuz; do
-		echo "/lib/modules/%{KERNELRELEASE}/${x}"
-	done
+	echo "/lib/modules/%{KERNELRELEASE}"
 
 	for x in alias alias.bin builtin.alias.bin builtin.bin dep dep.bin \
 					devname softdep symbols symbols.bin; do