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
|
########################################################################### ###
#@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
#@License Dual MIT/GPLv2
#
# The contents of this file are subject to the MIT license as set out below.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# Alternatively, the contents of this file may be used under the terms of
# the GNU General Public License Version 2 ("GPL") in which case the provisions
# of GPL are applicable instead of those above.
#
# If you wish to allow use of your version of this file only under the terms of
# GPL, and not to allow others to use your version of this file under the terms
# of the MIT license, indicate your decision by deleting the provisions above
# and replace them with the notice and other provisions required by GPL as set
# out in the file called "GPL-COPYING" included in this distribution. If you do
# not delete the provisions above, a recipient may use your version of this file
# under the terms of either the MIT license or GPL.
#
# This License is also included in this distribution in the file called
# "MIT-COPYING".
#
# EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
# PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
### ###########################################################################
# Define the default goal. This masks a previous definition of the default
# goal in Makefile.config, which must match this one
.PHONY: build
build: components kbuild
ifeq ($(OUT),)
$(error "Must specify output directory with OUT=")
endif
ifeq ($(TOP),)
$(error "Must specify root of source tree with TOP=")
endif
$(call directory-must-exist,$(TOP))
# Output directory for configuration, object code,
# final programs/libraries, and install/rc scripts.
#
# RELATIVE_OUT is relative only if it's under $(TOP)
RELATIVE_OUT := $(patsubst $(TOP)/%,%,$(OUT))
HOST_OUT := $(RELATIVE_OUT)/host
TARGET_OUT := $(RELATIVE_OUT)/target
CONFIG_MK := $(RELATIVE_OUT)/config.mk
CONFIG_H := $(RELATIVE_OUT)/config.h
CONFIG_KERNEL_MK := $(RELATIVE_OUT)/config_kernel.mk
CONFIG_KERNEL_H := $(RELATIVE_OUT)/config_kernel.h
MAKE_TOP := eurasiacon/build/linux2
THIS_MAKEFILE := (top-level makefiles)
# Convert commas to spaces in $(D). This is so you can say "make
# D=config-changes,freeze-config" and have $(filter config-changes,$(D))
# still work.
comma := ,
empty :=
space := $(empty) $(empty)
override D := $(subst $(comma),$(space),$(D))
include $(MAKE_TOP)/defs.mk
ifneq ($(INTERNAL_CLOBBER_ONLY),true)
# Create the out directory
#
$(shell mkdir -p $(OUT))
# Provide rules to create $(HOST_OUT) and $(TARGET_OUT)
.SECONDARY: $(HOST_OUT) $(TARGET_OUT)
$(HOST_OUT) $(TARGET_OUT):
$(make-directory)
# If these generated files differ from any pre-existing ones,
# replace them, causing affected parts of the driver to rebuild.
#
_want_config_diff := $(filter config-changes,$(D))
_freeze_config := $(strip $(filter freeze-config,$(D)))
_updated_config_files := $(shell \
$(if $(_want_config_diff),rm -f $(OUT)/config.diff;,) \
for file in $(CONFIG_MK) $(CONFIG_H) \
$(CONFIG_KERNEL_MK) $(CONFIG_KERNEL_H); do \
diff -U 0 $$file $$file.new \
>>$(if $(_want_config_diff),$(OUT)/config.diff,/dev/null) 2>/dev/null \
&& rm -f $$file.new \
|| echo $$file; \
done)
ifneq ($(_want_config_diff),)
# We send the diff to stderr so it isn't captured by $(shell)
$(shell [ -s $(OUT)/config.diff ] && echo >&2 "Configuration changed in $(RELATIVE_OUT):" && cat >&2 $(OUT)/config.diff)
endif
ifneq ($(_freeze_config),)
$(if $(_updated_config_files),$(error Configuration change in $(RELATIVE_OUT) prevented by D=freeze-config),)
endif
# Update the config, if changed
$(foreach _f,$(_updated_config_files), \
$(shell mv -f $(_f).new $(_f) >/dev/null 2>/dev/null))
endif # INTERNAL_CLOBBER_ONLY
MAKEFLAGS := -Rr --no-print-directory
ifneq ($(INTERNAL_CLOBBER_ONLY),true)
# This is so you can say "find $(TOP) -name Linux.mk > /tmp/something; export
# ALL_MAKEFILES=/tmp/something; make" and avoid having to run find. This is
# handy if your source tree is mounted over NFS or something
override ALL_MAKEFILES := $(call relative-to-top,$(if $(strip $(ALL_MAKEFILES)),$(shell cat $(ALL_MAKEFILES)),$(shell find $(TOP) -type f -name Linux.mk -print -o -type d -name '.*' -prune)))
ifeq ($(strip $(ALL_MAKEFILES)),)
$(info ** Unable to find any Linux.mk files under $$(TOP). This could mean that)
$(info ** there are no makefiles, or that ALL_MAKEFILES is set in the environment)
$(info ** and points to a nonexistent or empty file.)
$(error No makefiles)
endif
else # clobber-only
ALL_MAKEFILES :=
endif
unexport ALL_MAKEFILES
REMAINING_MAKEFILES := $(ALL_MAKEFILES)
ALL_MODULES :=
INTERNAL_INCLUDED_ALL_MAKEFILES :=
ifneq ($(INTERNAL_CLOBBER_ONLY),true)
# Please do not change the format of the following lines
-include $(CONFIG_KERNEL_MK)
# These files may not exist in GPL km source packages
-include $(MAKE_TOP)/xorgconf.mk
-include $(MAKE_TOP)/llvm.mk
endif
include $(MAKE_TOP)/commands.mk
include $(MAKE_TOP)/buildvars.mk
HOST_INTERMEDIATES := $(HOST_OUT)/intermediates
TARGET_INTERMEDIATES := $(TARGET_OUT)/intermediates
# Include each Linux.mk, then include modules.mk to save some information
# about each module
include $(foreach _Linux.mk,$(ALL_MAKEFILES),$(MAKE_TOP)/this_makefile.mk $(_Linux.mk) $(MAKE_TOP)/modules.mk)
ifeq ($(strip $(REMAINING_MAKEFILES)),)
INTERNAL_INCLUDED_ALL_MAKEFILES := true
else
$(error Impossible: $(words $(REMAINING_MAKEFILES)) makefiles were mysteriously ignored when reading $$(ALL_MAKEFILES))
endif
# At this point, all Linux.mks have been included. Now generate rules to build
# each module: for each module in $(ALL_MODULES), set per-makefile variables
$(foreach _m,$(ALL_MODULES),$(eval $(call process-module,$(_m))))
.PHONY: kbuild install
kbuild install:
ifneq ($(INTERNAL_CLOBBER_ONLY),true)
-include $(MAKE_TOP)/scripts.mk
-include $(MAKE_TOP)/kbuild/kbuild.mk
else
# We won't depend on 'build' here so that people can build subsets of
# components and still have the install script attempt to install the
# subset.
install:
@if [ ! -d "$(DISCIMAGE)" ]; then \
echo; \
echo "** DISCIMAGE was not set or does not point to a valid directory."; \
echo "** Cannot continue with install."; \
echo; \
exit 1; \
fi
@if [ ! -f $(TARGET_OUT)/install.sh ]; then \
echo; \
echo "** install.sh not found in $(TARGET_OUT)."; \
echo "** Cannot continue with install."; \
echo; \
exit 1; \
fi
@cd $(TARGET_OUT) && ./install.sh
endif
# You can say 'make all_modules' to attempt to make everything, or 'make
# components' to only make the things which are listed (in the per-build
# makefiles) as components of the build.
.PHONY: all_modules components
all_modules: $(ALL_MODULES)
components: $(COMPONENTS)
# Cleaning
.PHONY: clean clobber
clean: MODULE_DIRS_TO_REMOVE := $(OUT)/host/intermediates $(OUT)/target/intermediates $(OUT)/target/kbuild
clean:
$(clean-dirs)
clobber: MODULE_DIRS_TO_REMOVE := $(OUT)
clobber:
$(clean-dirs)
# Saying 'make clean-MODULE' removes the intermediates for MODULE.
# clobber-MODULE deletes the output files as well
clean-%:
$(if $(V),,@echo " RM " $(call relative-to-top,$(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$*))
$(RM) -rf $(OUT)/host/intermediates/$*/* $(OUT)/target/intermediates/$*/*
clobber-%:
$(if $(V),,@echo " RM " $(call relative-to-top,$(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$* $(INTERNAL_TARGETS_FOR_$*)))
$(RM) -rf $(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$* $(INTERNAL_TARGETS_FOR_$*)
include $(MAKE_TOP)/bits.mk
|
