[PATCH] backports: add kernl integration support to gentree.py
From: Luis R. Rodriguez
Date: Wed Oct 29 2014 - 04:08:24 EST
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
---
backport/Kconfig | 54 --------
backport/Kconfig.package | 31 +++++
backport/Kconfig.sources | 23 ++++
backport/Makefile | 3 +-
backport/Makefile.kernel | 18 +++
backport/backport-include/backport/backport.h | 2 +
backport/compat/Makefile | 4 +
gentree.py | 186 +++++++++++++++++++++-----
lib/bpversion.py | 48 +++++++
lib/kconfig.py | 12 +-
10 files changed, 291 insertions(+), 90 deletions(-)
delete mode 100644 backport/Kconfig
create mode 100644 backport/Kconfig.package
create mode 100644 backport/Kconfig.sources
create mode 100644 lib/bpversion.py
diff --git a/backport/Kconfig b/backport/Kconfig
deleted file mode 100644
index c523323..0000000
--- a/backport/Kconfig
+++ /dev/null
@@ -1,54 +0,0 @@
-mainmenu "Linux Backports from $BACKPORTED_KERNEL_NAME $BACKPORTED_KERNEL_VERSION (with backports $BACKPORTS_VERSION)"
-
-config BACKPORT_DIR
- string
- option env="BACKPORT_DIR"
-config BACKPORTS_VERSION
- string
- option env="BACKPORTS_VERSION"
-config BACKPORTED_KERNEL_VERSION
- string
- option env="BACKPORTED_KERNEL_VERSION"
-config BACKPORTED_KERNEL_NAME
- string
- option env="BACKPORTED_KERNEL_NAME"
-
-# these will be generated
-source "$BACKPORT_DIR/Kconfig.kernel"
-source "$BACKPORT_DIR/Kconfig.versions"
-
-# some hacks for when we use backports to generate a package
-# to build modules out of tree.
-#ignore-parser-package
-config WIRELESS
- def_bool y
-#ignore-parser-package
-config NET_CORE
- def_bool y
-#ignore-parser-package
-config EXPERT
- def_bool y
-
-# this has the configuration for the backport code
-source "$BACKPORT_DIR/compat/Kconfig"
-
-# these are copied from the kernel
-source "$BACKPORT_DIR/net/wireless/Kconfig"
-source "$BACKPORT_DIR/net/mac80211/Kconfig"
-source "$BACKPORT_DIR/net/bluetooth/Kconfig"
-source "$BACKPORT_DIR/drivers/net/wireless/Kconfig"
-source "$BACKPORT_DIR/drivers/net/ethernet/Kconfig"
-source "$BACKPORT_DIR/drivers/net/usb/Kconfig"
-
-source "$BACKPORT_DIR/drivers/ssb/Kconfig"
-source "$BACKPORT_DIR/drivers/bcma/Kconfig"
-
-source "$BACKPORT_DIR/net/nfc/Kconfig"
-
-source "$BACKPORT_DIR/drivers/media/Kconfig"
-
-source "$BACKPORT_DIR/net/ieee802154/Kconfig"
-source "$BACKPORT_DIR/net/mac802154/Kconfig"
-source "$BACKPORT_DIR/drivers/net/ieee802154/Kconfig"
-
-source "$BACKPORT_DIR/drivers/usb/class/Kconfig"
diff --git a/backport/Kconfig.package b/backport/Kconfig.package
new file mode 100644
index 0000000..1382cdb
--- /dev/null
+++ b/backport/Kconfig.package
@@ -0,0 +1,31 @@
+mainmenu "Backports from $BACKPORTED_KERNEL_NAME $BACKPORTED_KERNEL_VERSION (backports $BACKPORTS_VERSION)"
+
+config BACKPORT_DIR
+ string
+ option env="BACKPORT_DIR"
+config BACKPORTS_VERSION
+ string
+ option env="BACKPORTS_VERSION"
+config BACKPORTED_KERNEL_VERSION
+ string
+ option env="BACKPORTED_KERNEL_VERSION"
+config BACKPORTED_KERNEL_NAME
+ string
+ option env="BACKPORTED_KERNEL_NAME"
+
+# some hacks for when we use backports to generate a package
+# to build modules out of tree.
+#ignore-parser-package
+config WIRELESS
+ def_bool y
+#ignore-parser-package
+config NET_CORE
+ def_bool y
+#ignore-parser-package
+config EXPERT
+ def_bool y
+
+# these will be generated
+source "$BACKPORT_DIR/Kconfig.kernel"
+source "$BACKPORT_DIR/Kconfig.versions"
+source "$BACKPORT_DIR/Kconfig.sources"
diff --git a/backport/Kconfig.sources b/backport/Kconfig.sources
new file mode 100644
index 0000000..cdf993c
--- /dev/null
+++ b/backport/Kconfig.sources
@@ -0,0 +1,23 @@
+# this has the configuration for the backport code
+source "$BACKPORT_DIR/compat/Kconfig"
+
+# these are copied from the kernel
+source "$BACKPORT_DIR/net/wireless/Kconfig"
+source "$BACKPORT_DIR/net/mac80211/Kconfig"
+source "$BACKPORT_DIR/net/bluetooth/Kconfig"
+source "$BACKPORT_DIR/drivers/net/wireless/Kconfig"
+source "$BACKPORT_DIR/drivers/net/ethernet/Kconfig"
+source "$BACKPORT_DIR/drivers/net/usb/Kconfig"
+
+source "$BACKPORT_DIR/drivers/ssb/Kconfig"
+source "$BACKPORT_DIR/drivers/bcma/Kconfig"
+
+source "$BACKPORT_DIR/net/nfc/Kconfig"
+
+source "$BACKPORT_DIR/drivers/media/Kconfig"
+
+source "$BACKPORT_DIR/net/ieee802154/Kconfig"
+source "$BACKPORT_DIR/net/mac802154/Kconfig"
+source "$BACKPORT_DIR/drivers/net/ieee802154/Kconfig"
+
+source "$BACKPORT_DIR/drivers/usb/class/Kconfig"
diff --git a/backport/Makefile b/backport/Makefile
index fcf2f01..b2ada90 100644
--- a/backport/Makefile
+++ b/backport/Makefile
@@ -19,8 +19,9 @@ KLIB_BUILD ?= $(KLIB)/build/
KERNEL_CONFIG := $(KLIB_BUILD)/.config
KERNEL_MAKEFILE := $(KLIB_BUILD)/Makefile
CONFIG_MD5 := $(shell md5sum $(KERNEL_CONFIG) 2>/dev/null | sed 's/\s.*//')
+BACKPORT_PACKAGE := 1
-export KLIB KLIB_BUILD BACKPORT_DIR KMODDIR KMODPATH_ARG
+export KLIB KLIB_BUILD BACKPORT_DIR KMODDIR KMODPATH_ARG BACKPORT_PACKAGE
# disable built-in rules for this file
.SUFFIXES:
diff --git a/backport/Makefile.kernel b/backport/Makefile.kernel
index c31def8..6efea0d 100644
--- a/backport/Makefile.kernel
+++ b/backport/Makefile.kernel
@@ -1,3 +1,4 @@
+ifneq ($(BACKPORT_PACKAGE),)
# Since 2.6.21, try-run is available, but cc-disable-warning
# was only added later, so we add it here ourselves:
backport-cc-disable-warning = $(call try-run,\
@@ -13,10 +14,27 @@ NOSTDINC_FLAGS := \
-DBACKPORTS_VERSION=\"$(BACKPORTS_VERSION)\" \
-DBACKPORTED_KERNEL_VERSION=\"$(BACKPORTED_KERNEL_VERSION)\" \
-DBACKPORTED_KERNEL_NAME=\"$(BACKPORTED_KERNEL_NAME)\" \
+ -DBACKPORT_PACKAGE=\"$(BACKPORT_PACKAGE)\" \
$(BACKPORTS_GIT_TRACKER_DEF) \
$(CFLAGS)
export backport_srctree = $(M)
+else
+export BACKPORT_DIR = backports/
+export backport_srctree = $(BACKPORT_DIR)
+NOSTDINC_FLAGS := \
+ -I$(BACKPORT_DIR)/backport-include/ \
+ -I$(BACKPORT_DIR)/backport-include/uapi \
+ -I$(BACKPORT_DIR)/include/ \
+ -I$(BACKPORT_DIR)/include/uapi \
+ -include $(BACKPORT_DIR)/backport-include/backport/backport.h \
+ -DBACKPORTS_VERSION=\"$(BACKPORTS_VERSION)\" \
+ -DBACKPORTED_KERNEL_VERSION=\"$(BACKPORTED_KERNEL_VERSION)\" \
+ -DBACKPORTED_KERNEL_NAME=\"$(BACKPORTED_KERNEL_NAME)\" \
+ $(BACKPORTS_GIT_TRACKER_DEF) \
+ $(CFLAGS)
+endif
+
obj-y += compat/
diff --git a/backport/backport-include/backport/backport.h b/backport/backport-include/backport/backport.h
index 8edb151..10c7c35 100644
--- a/backport/backport-include/backport/backport.h
+++ b/backport/backport-include/backport/backport.h
@@ -1,6 +1,8 @@
#ifndef __BACKPORT_H
#define __BACKPORT_H
+#ifdef BACKPORT_PACKAGE
#include <backport/autoconf.h>
+#endif
#include <linux/kconfig.h>
#ifndef __ASSEMBLY__
diff --git a/backport/compat/Makefile b/backport/compat/Makefile
index aba2c3a..b8fa48c 100644
--- a/backport/compat/Makefile
+++ b/backport/compat/Makefile
@@ -1,5 +1,9 @@
ccflags-y += -I$(src)
+ifneq ($(BACKPORT_PACKAGE),)
obj-m += compat.o
+else
+obj-y += compat.o
+endif
compat-y += main.o
# Kernel backport compatibility code
diff --git a/gentree.py b/gentree.py
index 47e3ca2..971f15b 100755
--- a/gentree.py
+++ b/gentree.py
@@ -16,6 +16,7 @@ from lib import bpgpg as gpg
from lib import bpkup as kup
from lib.tempdir import tempdir
from lib import bpreqs as reqs
+from lib import bpversion as gen_version
def read_copy_list(copyfile):
"""
@@ -461,6 +462,9 @@ def _main():
'and we use git ls-tree to get the files.')
parser.add_argument('--clean', const=True, default=False, action="store_const",
help='Clean output directory instead of erroring if it isn\'t empty')
+ parser.add_argument('--integrate', const=True, default=False, action="store_const",
+ help='Integrate a future backported kernel solution into ' +
+ 'an older kernel tree source directory.')
parser.add_argument('--refresh', const=True, default=False, action="store_const",
help='Refresh patches as they are applied, the source dir will be modified!')
parser.add_argument('--base-name', metavar='<name>', type=str, default='Linux',
@@ -491,13 +495,18 @@ def _main():
'of changes done by Coccinelle.')
args = parser.parse_args()
+ if args.integrate:
+ args.outdir = os.path.join(args.outdir, 'backports/')
+
def logwrite(msg):
sys.stdout.write(msg)
sys.stdout.write('\n')
sys.stdout.flush()
return process(args.kerneldir, args.outdir, args.copy_list,
- git_revision=args.git_revision, clean=args.clean,
+ git_revision=args.git_revision,
+ integrate=args.integrate,
+ clean=args.clean,
refresh=args.refresh, base_name=args.base_name,
gitdebug=args.gitdebug, verbose=args.verbose,
extra_driver=args.extra_driver,
@@ -508,6 +517,7 @@ def _main():
logwrite=logwrite)
def process(kerneldir, outdir, copy_list_file, git_revision=None,
+ integrate=False,
clean=False, refresh=False, base_name="Linux", gitdebug=False,
verbose=False, extra_driver=[], kup=False,
kup_test=False,
@@ -517,7 +527,7 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
git_tracked_version=False):
class Args(object):
def __init__(self, kerneldir, outdir, copy_list_file,
- git_revision, clean, refresh, base_name,
+ git_revision, integrate, clean, refresh, base_name,
gitdebug, verbose, extra_driver, kup,
kup_test,
test_cocci,
@@ -526,6 +536,7 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
self.outdir = outdir
self.copy_list = copy_list_file
self.git_revision = git_revision
+ self.integrate = integrate
self.clean = clean
self.refresh = refresh
self.base_name = base_name
@@ -548,11 +559,15 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
logwrite('Validated tree: %s' % tree)
args = Args(kerneldir, outdir, copy_list_file,
- git_revision, clean, refresh, base_name,
+ git_revision, integrate, clean, refresh, base_name,
gitdebug, verbose, extra_driver, kup, kup_test,
test_cocci, profile_cocci)
rel_prep = None
- integrate = False
+
+ if args.integrate:
+ if args.kup_test or args.test_cocci or args.profile_cocci or args.refresh:
+ logwrite('Cannot use integration with:\n\tkup_test\n\ttest_cocci\n\tprofile_cocci\n\trefresh\n');
+ sys.exit(1)
# start processing ...
if (args.kup or args.kup_test):
@@ -588,11 +603,32 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
check_output_dir(args.outdir, args.clean)
# do the copy
+ backport_integrate_files = [
+ ('Makefile.kernel', 'Makefile'),
+ ]
+ backport_package_files = [(x, x) for x in [
+ 'Makefile',
+ 'kconf/' ,
+ 'Makefile.real',
+ 'Makefile.kernel',
+ 'scripts/',
+ '.blacklist.map',
+ '.gitignore',
+ 'Makefile.build'] ]
+ backport_package_files += [
+ ('Kconfig.package', 'Kconfig'),
+ ]
backport_files = [(x, x) for x in [
- 'Kconfig', 'Makefile', 'Makefile.build', 'Makefile.kernel', '.gitignore',
- 'Makefile.real', 'compat/', 'backport-include/', 'kconf/',
- 'scripts/', '.blacklist.map',
+ 'Kconfig.sources',
+ 'compat/',
+ 'backport-include/',
]]
+
+ if not args.integrate:
+ backport_files += backport_package_files
+ else:
+ backport_files += backport_integrate_files
+
if not args.git_revision:
logwrite('Copy original source files ...')
else:
@@ -600,7 +636,8 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
copy_files(os.path.join(source_dir, 'backport'), backport_files, args.outdir)
- git_debug_init(args)
+ if not args.integrate:
+ git_debug_init(args)
if not args.git_revision:
copy_files(args.kerneldir, copy_list, args.outdir)
@@ -615,6 +652,60 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
git_debug_snapshot(args, 'Add driver sources')
+ if git_tracked_version:
+ backports_version = "(see git)"
+ kernel_version = "(see git)"
+ else:
+ backports_version = git.describe(tree=source_dir, extra_args=['--long'])
+ kernel_version = git.describe(rev=args.git_revision or 'HEAD',
+ tree=args.kerneldir,
+ extra_args=['--long'])
+
+ if not args.integrate:
+ f = open(os.path.join(args.outdir, 'versions'), 'w')
+ f.write('BACKPORTS_VERSION="%s"\n' % backports_version)
+ f.write('BACKPORTED_KERNEL_VERSION="%s"\n' % kernel_version)
+ f.write('BACKPORTED_KERNEL_NAME="%s"\n' % args.base_name)
+ if git_tracked_version:
+ f.write('BACKPORTS_GIT_TRACKED="backport tracker ID: $(shell git rev-parse HEAD 2>/dev/null || echo \'not built in git tree\')"\n')
+ f.close()
+ git_debug_snapshot(args, "generate kernel version info file: version")
+ else:
+ # Only the kconfig 'mainmenu' entries grok variables, we want to keep
+ # this the main Kconfig as part of our program to be able to give it
+ # enough dynamic information
+ k = open(os.path.join(args.outdir, 'Kconfig'), 'w')
+ k.write('config BACKPORT_DIR\n')
+ k.write('\tstring\n')
+ k.write('\tdefault "backports/"\n')
+ k.write('config BACKPORTS_VERSION\n')
+ k.write('\tstring\n')
+ k.write('\tdefault "%s"\n' % backports_version)
+ k.write('config BACKPORTED_KERNEL_VERSION\n')
+ k.write('\tstring\n')
+ k.write('\tdefault "%s"\n' % kernel_version)
+ k.write('config BACKPORTED_KERNEL_NAME\n')
+ k.write('\tstring\n')
+ k.write('\tdefault "%s"\n' % args.base_name)
+ k.write('\n')
+ k.write('menuconfig BACKPORT_LINUX\n')
+ k.write('\tbool "Backport %s %s (backports %s)"\n' % (args.base_name, kernel_version, backports_version))
+ k.write('\tdefault n\n')
+ k.write('\t---help--- \n')
+ k.write('\t Enabling this will let give you the opportunity to use\n')
+ k.write('\t features and drivers backported from %s %s\n' % (args.base_name, kernel_version))
+ k.write('\t on the kernel your are using. This is experimental and you should\n')
+ k.write('\t say no unless you\'d like to help test things.\n')
+ k.write('\n')
+ k.write('if BACKPORT_LINUX\n')
+ k.write('\n')
+ k.write('source "$BACKPORT_DIR/Kconfig.versions"\n')
+ k.write('source "$BACKPORT_DIR/Kconfig.sources"\n')
+ k.write('\n')
+ k.write('endif # BACKPORT_LINUX\n')
+ k.close()
+ git_debug_snapshot(args, "generate top level backports/Kconfig")
+
disable_list = add_automatic_backports(args)
if disable_list:
bpcfg = kconfig.ConfigTree(os.path.join(args.outdir, 'compat', 'Kconfig'))
@@ -757,6 +848,21 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
logwrite('Done!')
return 0
+ # Kernel integration requires Kconfig.versions already generated for you,
+ # we cannot do this for a package as we have no idea what kernel folks
+ # will be using.
+ if args.integrate:
+ kver = gen_version.kernelversion(os.path.join(args.outdir, "../"))
+ rel_specs = gen_version.get_rel_spec_stable(kver)
+ if not rel_specs:
+ logwrite('Cannot parse source kernel version, update parser')
+ sys.exit(1)
+ data = gen_version.genkconfig_versions(rel_specs)
+ fo = open(os.path.join(args.outdir, 'Kconfig.versions'), 'w')
+ fo.write(data)
+ fo.close()
+ git_debug_snapshot(args, "generate kernel version requirement Kconfig file")
+
# some post-processing is required
configtree = kconfig.ConfigTree(os.path.join(args.outdir, 'Kconfig'))
orig_symbols = configtree.symbols()
@@ -765,7 +871,7 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
configtree.prune_sources(ignore=['Kconfig.kernel', 'Kconfig.versions'])
git_debug_snapshot(args, "prune Kconfig tree")
- configtree.adjust_backported_configs(integrate, orig_symbols)
+ configtree.adjust_backported_configs(args.integrate, orig_symbols)
git_debug_snapshot(args, "adjust backports config symbols we port")
if (not integrate):
@@ -775,32 +881,15 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
configtree.modify_selects()
git_debug_snapshot(args, "convert select to depends on")
- # write the versioning file
- if git_tracked_version:
- backports_version = "(see git)"
- kernel_version = "(see git)"
- else:
- backports_version = git.describe(tree=source_dir, extra_args=['--long'])
- kernel_version = git.describe(rev=args.git_revision or 'HEAD',
- tree=args.kerneldir,
- extra_args=['--long'])
- f = open(os.path.join(args.outdir, 'versions'), 'w')
- f.write('BACKPORTS_VERSION="%s"\n' % backports_version)
- f.write('BACKPORTED_KERNEL_VERSION="%s"\n' % kernel_version)
- f.write('BACKPORTED_KERNEL_NAME="%s"\n' % args.base_name)
- if git_tracked_version:
- f.write('BACKPORTS_GIT_TRACKED="backport tracker ID: $(shell git rev-parse HEAD 2>/dev/null || echo \'not built in git tree\')"\n')
- f.close()
-
symbols = configtree.symbols()
- # write local symbol list -- needed during build
- f = open(os.path.join(args.outdir, '.local-symbols'), 'w')
- for sym in symbols:
- f.write('%s=\n' % sym)
- f.close()
-
- git_debug_snapshot(args, "add versions/symbols files")
+ if not args.integrate:
+ # write local symbol list -- needed during build
+ f = open(os.path.join(args.outdir, '.local-symbols'), 'w')
+ for sym in symbols:
+ f.write('%s=\n' % sym)
+ f.close()
+ git_debug_snapshot(args, "add symbols files")
# add defconfigs that we want
defconfigs_dir = os.path.join(source_dir, 'backport', 'defconfigs')
@@ -849,7 +938,10 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
git_debug_snapshot(args, "rename config symbol / srctree usage")
# disable unbuildable Kconfig symbols and stuff Makefiles that doesn't exist
- maketree = make.MakeTree(os.path.join(args.outdir, 'Makefile.kernel'))
+ if args.integrate:
+ maketree = make.MakeTree(os.path.join(args.outdir, 'Makefile'))
+ else:
+ maketree = make.MakeTree(os.path.join(args.outdir, 'Makefile.kernel'))
disable_kconfig = []
disable_makefile = []
for sym in maketree.get_impossible_symbols():
@@ -896,6 +988,32 @@ def process(kerneldir, outdir, copy_list_file, git_revision=None,
fo.close()
git_debug_snapshot(args, "disable unsatisfied Makefile parts")
+ if args.integrate:
+ f = open(os.path.join(args.outdir, '../arch/x86/Kconfig'), 'a')
+ f.write('source "backports/Kconfig"\n')
+ f.close()
+ git_debug_snapshot(args, "hooked backport Kconfig to supported architectures")
+
+ f = open(os.path.join(args.outdir, '../MAINTAINERS'), 'a')
+ f.write('M:\tHauke Mehrtens <hauke@xxxxxxxxxx>\n')
+ f.write('M:\tLuis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>\n')
+ f.write('L:\tbackports@xxxxxxxxxxxxxxx\n')
+ f.write('T:\tgit://git.kernel.org/pub/scm/linux/kernel/git/backports/backports.git\n')
+ f.write('F:\tbackports/\n')
+ f.close()
+ git_debug_snapshot(args, "add backport maintainers entry")
+
+ f = open(os.path.join(args.outdir, '../Makefile'), 'a')
+ f.write('ifeq ($(KBUILD_EXTMOD),)\n')
+ f.write('backports-y := backports/\n')
+ f.write('vmlinux-dirs += $(patsubst %/,%,$(filter %/, $(backports-y) $(backports-m)))\n')
+ f.write('vmlinux-alldirs += $(patsubst %/,%,$(filter %/, $(backports-n) $(backports-)))\n')
+ f.write('backports-y := $(patsubst %/, %/built-in.o, $(backports-y))\n')
+ f.write('KBUILD_VMLINUX_MAIN += $(backports-y)\n')
+ f.write('endif\n')
+ f.close()
+ git_debug_snapshot(args, "add backports to the vmlinux built-in hunt")
+
if (args.kup or args.kup_test):
req = reqs.Req()
req.kup()
diff --git a/lib/bpversion.py b/lib/bpversion.py
new file mode 100644
index 0000000..7ba4d99
--- /dev/null
+++ b/lib/bpversion.py
@@ -0,0 +1,48 @@
+import subprocess, os, re
+
+class VersionError(Exception):
+ pass
+class ExecutionError(VersionError):
+ def __init__(self, errcode):
+ self.error_code = errcode
+
+def _check(process):
+ if process.returncode != 0:
+ raise ExecutionError(process.returncode)
+
+def get_rel_spec_stable(rel):
+ """
+ Returns release specs for a linux-stable backports based release.
+ """
+ m = None
+ if ("rc" in rel):
+ m = re.match(r"v*(?P<VERSION>\d+)\.+" \
+ "(?P<PATCHLEVEL>\d+)[.]*" \
+ "(?P<SUBLEVEL>\d*)" \
+ "[-rc]+(?P<RC_VERSION>\d+)",
+ rel)
+ else:
+ m = re.match(r"(?P<VERSION>\d+)\.+" \
+ "(?P<PATCHLEVEL>\d+)[.]*" \
+ "(?P<SUBLEVEL>\d*)",
+ rel)
+ if (not m):
+ return m
+ return m.groupdict()
+
+def kernelversion(tree):
+ cmd = ['make', '--no-print-directory', '-C', tree, 'kernelversion' ]
+ process = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+ return stdout.strip()
+
+def genkconfig_versions(rel_specs):
+ data = ''
+ for i in range(int(rel_specs['PATCHLEVEL']), 99):
+ data += "config BACKPORT_KERNEL_%s_%s\n" % (rel_specs['VERSION'], i)
+ data += " def_bool y\n"
+ return data
diff --git a/lib/kconfig.py b/lib/kconfig.py
index 29c42ad..5366085 100644
--- a/lib/kconfig.py
+++ b/lib/kconfig.py
@@ -12,6 +12,8 @@ cfg_line = re.compile(r'^(?P<opt>config|menuconfig)\s+(?P<sym>[^\s]*)')
sel_line = re.compile(r'^(?P<spc>\s+)select\s+(?P<sym>[^\s]*)\s*$')
backport_line = re.compile(r'^\s+#(?P<key>[ch]-file|module-name)\s*(?P<name>.*)')
ignore_parse_p = re.compile(r'^\s+#(?P<key>ignore-parser-package)')
+kernel_versin_config = re.compile(r'^(?P<opt>config)\s+(?P<sym>BACKPORT_KERNEL_[\d])')
+ignore_syms = re.compile(r'^(?P<opt>config|menuconfig)\s+(?P<sym>BACKPORT_DIR|BACKPORTS_VERSION|BACKPORTED_KERNEL_VERSION|BACKPORTED_KERNEL_NAME|BACKPORT_LINUX)')
class ConfigTree(object):
def __init__(self, rootfile):
@@ -84,7 +86,7 @@ class ConfigTree(object):
def _mod_kconfig_line(self, l, orig_symbols):
for sym in orig_symbols:
- if sym in l:
+ if sym in l and 'BACKPORT_' not in l:
return re.sub(r' (' + sym + ')', r' BACKPORT_\1', l)
return l
@@ -99,6 +101,14 @@ class ConfigTree(object):
if pm:
ignore_parse_modular = True
continue
+ vm = kernel_versin_config.match(l)
+ if vm:
+ out += l
+ continue
+ ig = ignore_syms.match(l)
+ if ig:
+ out += l
+ continue
n = cfg_line.match(l)
if n:
m = n
--
2.1.1
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