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kbuild: srcrpm-pkg: create source package without cleaning

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If you run 'make (src)rpm-pkg', all objects are lost due to 'make clean',
which makes the incremental builds impossible.

Instead of cleaning, pass the exclude list to tar's --exclude-from
option.

Previously, the .config was contained in the source tarball.

With this commit, the source rpm consists of separate linux.tar.gz
and .config.

Remove stale comments. Now, 'make (src)rpm-pkg' works with O= option.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2023-02-15 10:20:26 +09:00
parent 1ec9bb704f
commit 6fc91752d7
2 changed files with 8 additions and 32 deletions
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32
scripts/Makefile.package
View File

@ -3,27 +3,6 @@
include $(srctree)/scripts/Kbuild.include
# RPM target
# ---------------------------------------------------------------------------
# The rpm target generates two rpm files:
# /usr/src/packages/SRPMS/kernel-2.6.7rc2-1.src.rpm
# /usr/src/packages/RPMS/i386/kernel-2.6.7rc2-1.<arch>.rpm
# The src.rpm files includes all source for the kernel being built
# The <arch>.rpm includes kernel configuration, modules etc.
#
# Process to create the rpm files
# a) clean the kernel
# b) Generate .spec file
# c) Build a tar ball, using symlink to make kernel version
# first entry in the path
# d) and pack the result to a tar.gz file
# e) generate the rpm files, based on kernel.spec
# - Use /. to avoid tar packing just the symlink
# Note that the rpm-pkg target cannot be used with KBUILD_OUTPUT,
# but the binrpm-pkg target can; for some reason O= gets ignored.
# Remove hyphens since they have special meaning in RPM filenames
KERNELPATH := kernel-$(subst -,_,$(KERNELRELEASE))
KDEB_SOURCENAME ?= linux-upstream
KBUILD_PKG_ROOTCMD ?="fakeroot -u"
@ -42,8 +21,7 @@ if test "$(objtree)" != "$(srctree)"; then \
echo >&2; \
echo >&2 " ERROR:"; \
echo >&2 " Building source tarball is not possible outside the"; \
echo >&2 " kernel source tree. Don't set KBUILD_OUTPUT, or use the"; \
echo >&2 " binrpm-pkg target instead."; \
echo >&2 " kernel source tree. Don't set KBUILD_OUTPUT"; \
echo >&2; \
false; \
fi ; \
@ -95,12 +73,10 @@ rpm-pkg: srcrpm-pkg
# srcrpm-pkg
# ---------------------------------------------------------------------------
PHONY += srcrpm-pkg
srcrpm-pkg:
$(MAKE) clean
srcrpm-pkg: linux.tar.gz
$(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec
$(call cmd,src_tar,$(KERNELPATH),kernel.spec)
+rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -ts $(KERNELPATH).tar.gz \
--define='_smp_mflags %{nil}' --define='_srcrpmdir $(srctree)'
+rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -bs kernel.spec \
--define='_smp_mflags %{nil}' --define='_sourcedir .' --define='_srcrpmdir .'
# binrpm-pkg
# ---------------------------------------------------------------------------

8
scripts/package/mkspec
View File

@ -47,7 +47,8 @@ sed -e '/^DEL/d' -e 's/^\t*//' <<EOF
Group: System Environment/Kernel
Vendor: The Linux Community
URL: https://www.kernel.org
$S Source: kernel-$__KERNELRELEASE.tar.gz
$S Source0: linux.tar.gz
$S Source1: .config
Provides: $PROVIDES
$S BuildRequires: bc binutils bison dwarves
$S BuildRequires: (elfutils-libelf-devel or libelf-devel) flex
@ -83,9 +84,8 @@ $S$M This package provides kernel headers and makefiles sufficient to build modu
$S$M against the $__KERNELRELEASE kernel package.
$S$M
$S %prep
$S %setup -q
$S rm -f scripts/basic/fixdep scripts/kconfig/conf
$S rm -f tools/objtool/{fixdep,objtool}
$S %setup -q -n linux
$S cp %{SOURCE1} .
$S
$S %build
$S $MAKE %{?_smp_mflags} KERNELRELEASE=$KERNELRELEASE KBUILD_BUILD_VERSION=%{release}