This file is indexed.

/usr/src/linux-source-4.4.0/debian/rules.d/0-common-vars.mk is in linux-source-4.4.0 4.4.0-108.131.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
# Used when you need to 'escape' a comma.
comma = ,

#
# The source package name will be the first token from $(DEBIAN)/changelog
#
src_pkg_name=$(shell sed -n '1s/^\(.*\) (.*).*$$/\1/p' $(DEBIAN)/changelog)

# Get some version info
release := $(shell sed -n '1s/^$(src_pkg_name).*(\(.*\)-.*).*$$/\1/p' $(DEBIAN)/changelog)
revisions := $(shell sed -n 's/^$(src_pkg_name)\ .*($(release)-\(.*\)).*$$/\1/p' $(DEBIAN)/changelog | tac)
revision ?= $(word $(words $(revisions)),$(revisions))
prev_revisions := $(filter-out $(revision),0.0 $(revisions))
prev_revision := $(word $(words $(prev_revisions)),$(prev_revisions))

prev_fullver ?= $(shell dpkg-parsechangelog -l$(DEBIAN)/changelog -o1 -c1 | sed -ne 's/^Version: *//p')

family=ubuntu

# This is an internally used mechanism for the daily kernel builds. It
# creates packages whose ABI is suffixed with a minimal representation of
# the current git HEAD sha. If .git/HEAD is not present, then it uses the
# uuidgen program,
#
# AUTOBUILD can also be used by anyone wanting to build a custom kernel
# image, or rebuild the entire set of Ubuntu packages using custom patches
# or configs.
AUTOBUILD=

ifneq ($(AUTOBUILD),)
skipabi		= true
skipmodule	= true
skipdbg		= true
gitver=$(shell if test -f .git/HEAD; then cat .git/HEAD; else uuidgen; fi)
gitverpre=$(shell echo $(gitver) | cut -b -3)
gitverpost=$(shell echo $(gitver) | cut -b 38-40)
abi_suffix = -$(gitverpre)$(gitverpost)
endif

ifneq ($(NOKERNLOG),)
ubuntu_log_opts += --no-kern-log
endif
ifneq ($(PRINTSHAS),)
ubuntu_log_opts += --print-shas
endif

# Get the kernels own extra version to be added to the release signature.
raw_kernelversion=$(shell make kernelversion)

#
# full_build -- are we doing a full buildd style build
#
ifeq ($(wildcard /CurrentlyBuilding),)
full_build?=false
else
full_build?=true
endif

#
# The debug packages are ginormous, so you probably want to skip
# building them (as a developer).
#
ifeq ($(full_build),false)
skipdbg=true
endif

abinum		:= $(shell echo $(revision) | sed -r -e 's/([^\+~]*)\.[^\.]+(~.*)?(\+.*)?$$/\1/')$(abi_suffix)
prev_abinum	:= $(shell echo $(prev_revision) | sed -r -e 's/([^\+~]*)\.[^\.]+(~.*)?(\+.*)?$$/\1/')$(abi_suffix)
abi_release	:= $(release)-$(abinum)

uploadnum	:= $(shell echo $(revision) | sed -r -e 's/[^\+~]*\.([^\.~]+(~.*)?(\+.*)?$$)/\1/')
ifneq ($(full_build),false)
  uploadnum	:= $(uploadnum)-Ubuntu
endif

# XXX: linux-libc-dev got bumped to -803.N inadvertantly by a ti-omap4 upload
#      shift our version higher for this package only.  Ensure this only
#      occurs for the v2.6.35 kernel so that we do not propogate this into
#      any other series.
raw_uploadnum	:= $(shell echo $(revision) | sed -e 's/.*\.//')
libc_dev_version :=
ifeq ($(DEBIAN),debian.master)
ifeq ($(release),2.6.35)
libc_dev_version := -v$(release)-$(shell expr "$(abinum)" + 1000).$(raw_uploadnum)
endif
endif

DEB_HOST_MULTIARCH = $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_GNU_TYPE  = $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE = $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_ARCH = $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_BUILD_ARCH = $(shell dpkg-architecture -qDEB_BUILD_ARCH)

#
# Detect invocations of the form 'fakeroot debian/rules binary arch=armhf'
# within an x86'en schroot. This only gets you part of the way since the
# packaging phase fails, but you can at least compile the kernel quickly.
#
arch := $(DEB_HOST_ARCH)
ifneq ($(arch),$(DEB_HOST_ARCH))
	CROSS_COMPILE ?= $(shell dpkg-architecture -a$(arch) -qDEB_HOST_GNU_TYPE -f 2>/dev/null)-
endif

#
# Detect invocations of the form 'dpkg-buildpackage -B -aarmhf' within
# an x86'en schroot. This is the only way to build all of the packages
# (except for tools).
#
ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	CROSS_COMPILE ?= $(DEB_HOST_GNU_TYPE)-
endif

abidir		:= $(CURDIR)/$(DEBIAN)/abi/$(release)-$(revision)/$(arch)
prev_abidir	:= $(CURDIR)/$(DEBIAN)/abi/$(release)-$(prev_revision)/$(arch)
commonconfdir	:= $(CURDIR)/$(DEBIAN)/config
archconfdir	:= $(CURDIR)/$(DEBIAN)/config/$(arch)
sharedconfdir	:= $(CURDIR)/debian.master/config
builddir	:= $(CURDIR)/debian/build
stampdir	:= $(CURDIR)/debian/stamps

#
# The binary package name always starts with linux-image-$KVER-$ABI.$UPLOAD_NUM. There
# are places that you'll find linux-image hard coded, but I guess thats OK since the
# assumption that the binary package always starts with linux-image will never change.
#
bin_pkg_name=linux-image-$(abi_release)
extra_pkg_name=linux-image-extra-$(abi_release)
hdrs_pkg_name=linux-headers-$(abi_release)
indep_hdrs_pkg_name=$(src_pkg_name)-headers-$(abi_release)

#
# The generation of content in the doc package depends on both 'AUTOBUILD=' and
# 'do_doc_package_content=true'. There are usually build errors during the development
# cycle, so its OK to leave 'do_doc_package_content=false' until those build
# failures get sorted out. Finally, the doc package doesn't really need to be built
# for developer testing (its kind of slow), so only do it if on a buildd.
do_doc_package=true
do_doc_package_content=true
ifeq ($(full_build),false)
do_doc_package_content=false
endif
doc_pkg_name=$(src_pkg_name)-doc

#
# Similarly with the linux-source package, you need not build it as a developer. Its
# somewhat I/O intensive and utterly useless.
#
do_source_package=true
do_source_package_content=true
ifeq ($(full_build),false)
do_source_package_content=false
endif

# linux-libc-dev may not be needed, default to building it.
do_libc_dev_package=true

# common headers normally is built as an indep package, but may be arch
do_common_headers_indep=true

# add a 'full source' mode
do_full_source=false

# build common tools
do_tools_common=true

# build tools
ifneq ($(wildcard $(CURDIR)/tools),)
	ifeq ($(do_tools),)
		ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
			do_tools=false
		endif
	endif
	do_tools?=true
else
	do_tools?=false
endif
tools_pkg_name=$(src_pkg_name)-tools-$(abi_release)
tools_common_pkg_name=$(src_pkg_name)-tools-common
tools_flavour_pkg_name=linux-tools-$(abi_release)
cloud_pkg_name=$(src_pkg_name)-cloud-tools-$(abi_release)
cloud_common_pkg_name=$(src_pkg_name)-cloud-tools-common
cloud_flavour_pkg_name=linux-cloud-tools-$(abi_release)

# The general flavour specific image package.
do_flavour_image_package=true

# The general flavour specific header package.
do_flavour_header_package=true

# DTBs
do_dtbs=false

# Support parallel=<n> in DEB_BUILD_OPTIONS (see #209008)
#
# These 2 environment variables set the -j value of the kernel build. For example,
# CONCURRENCY_LEVEL=16 fakeroot $(DEBIAN)/rules binary-debs
# or
# DEB_BUILD_OPTIONS=parallel=16 fakeroot $(DEBIAN)/rules binary-debs
#
# The default is to use the number of CPUs.
#
COMMA=,
DEB_BUILD_OPTIONS_PARA = $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
ifneq (,$(DEB_BUILD_OPTIONS_PARA))
  CONCURRENCY_LEVEL := $(DEB_BUILD_OPTIONS_PARA)
endif

ifeq ($(CONCURRENCY_LEVEL),)
  # Check the environment
  CONCURRENCY_LEVEL := $(shell echo $$CONCURRENCY_LEVEL)
  # No? Then build with the number of CPUs on the host.
  ifeq ($(CONCURRENCY_LEVEL),)
      CONCURRENCY_LEVEL := $(shell expr `getconf _NPROCESSORS_ONLN` \* 1)
  endif
  # Oh hell, give 'em one
  ifeq ($(CONCURRENCY_LEVEL),)
    CONCURRENCY_LEVEL := 1
  endif
endif

conc_level		= -j$(CONCURRENCY_LEVEL)

# target_flavour is filled in for each step
kmake = make ARCH=$(build_arch) \
	CROSS_COMPILE=$(CROSS_COMPILE) \
	KERNELVERSION=$(abi_release)-$(target_flavour) \
	CONFIG_DEBUG_SECTION_MISMATCH=y \
	KBUILD_BUILD_VERSION="$(uploadnum)" \
	LOCALVERSION= localver-extra= \
	CFLAGS_MODULE="-DPKG_ABI=$(abinum)"
ifneq ($(LOCAL_ENV_CC),)
kmake += CC=$(LOCAL_ENV_CC) DISTCC_HOSTS=$(LOCAL_ENV_DISTCC_HOSTS)
endif

# Locking is required in parallel builds to prevent loss of contents
# of the debian/files.
lockme_file = $(CURDIR)/debian/.LOCK
lockme_cmd = flock -w 60
lockme = $(lockme_cmd) $(lockme_file)

# Don't fail if a link already exists.
LN = ln -sf

# Checks if a var is overriden by the custom rules. Called with var and
# flavour as arguments.
custom_override = \
 $(shell if [ -n "$($(1)_$(2))" ]; then echo "$($(1)_$(2))"; else echo "$($(1))"; fi)