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
|
# Copyright (C) 1991-2015 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
#
# Rules for making a subdirectory in the GNU C library.
# Each subdirectory Makefile defines some variables and includes this.
#
ifneq (,)
This makefile requires GNU Make.
endif
all: # Don't let the default goal come from Makeconfig.
include $(firstword $(..) ../)Makeconfig
ifndef subdir
Each subdirectory makefile must define the `subdir' variable.
endif
# This ` unconfuses emacs.
# This is benign and useless in GNU make before 3.63.
export subdir := $(subdir)
# This is the default target; it makes the library and auxiliary programs.
.PHONY: all
all: objs lib others
ifeq ($(build-programs),yes)
others: $(addprefix $(objpfx),$(extra-objs) \
$(install-lib) \
$(install-bin) $(install-bin-script) \
$(install-rootsbin) $(install-sbin))
else
others: $(addprefix $(objpfx),$(extra-objs) \
$(install-lib))
endif
ifneq "$(findstring env,$(origin headers))" ""
headers :=
endif
ifneq "$(findstring env,$(origin generated))" ""
generated :=
endif
ifneq "$(findstring env,$(origin common-generated))" ""
common-generated :=
endif
# See below. This must be set before Makerules processes it.
before-compile += $(common-objpfx)bits/stdio_lim.h
include $(..)Makerules
.PHONY: subdir_lib
subdir_lib: lib-noranlib
# Some subdirs need to install a dummy library.
# They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
dep-dummy-lib = $(common-objpfx)dummy.o
define make-dummy-lib
$(AR) cr$(verbose) $@ $<
endef
$(common-objpfx)dummy.c:
rm -f $@
(echo 'extern void __dummy__ (void);'; \
echo 'void __dummy__ (void) { }') > $@
common-generated += dummy.o dummy.c
# This makes all the auxiliary and test programs.
.PHONY: others tests bench
ifeq ($(build-programs),yes)
others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
else
others: $(addprefix $(objpfx),$(extra-objs))
endif
ifeq ($(run-built-tests),no)
tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) $(tests-special)
xtests: tests $(xtests-special)
else
tests: $(tests:%=$(objpfx)%.out) $(tests-special)
xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
endif
tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
tests:
$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
$(sort $(tests) $(tests-special-notdir:.out=)) \
> $(objpfx)subdir-tests.sum
xtests:
$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
$(sort $(xtests) $(xtests-special-notdir:.out=)) \
> $(objpfx)subdir-xtests.sum
ifeq ($(build-programs),yes)
binaries-all-notests = $(others) $(sysdep-others)
binaries-all-tests = $(tests) $(xtests) $(test-srcs)
binaries-all = $(binaries-all-notests) $(binaries-all-tests)
binaries-static-notests = $(others-static)
binaries-static-tests = $(tests-static) $(xtests-static)
binaries-static = $(binaries-static-notests) $(binaries-static-tests)
ifeq (yesyes,$(have-fpie)$(build-shared))
binaries-pie-tests = $(tests-pie) $(xtests-pie)
binaries-pie-notests = $(others-pie)
else
binaries-pie-tests =
binaries-pie-notests =
endif
else
binaries-all-notests =
binaries-all-tests = $(tests) $(xtests) $(test-srcs)
binaries-all = $(binaries-all-tests)
binaries-static-notests =
binaries-static-tests =
binaries-static =
binaries-pie-tests =
binaries-pie-notests =
endif
binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
$(binaries-all-tests))
binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
$(binaries-all-notests))
ifneq "$(strip $(binaries-shared-notests))" ""
$(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link)
endif
ifneq "$(strip $(binaries-shared-tests))" ""
$(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-tests)
endif
ifneq "$(strip $(binaries-pie-tests))" ""
$(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-pie-tests)
endif
ifneq "$(strip $(binaries-pie-notests))" ""
$(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-pie)
endif
ifneq "$(strip $(binaries-static-notests))" ""
$(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-static)
endif
ifneq "$(strip $(binaries-static-tests))" ""
$(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-static-tests)
endif
ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
# These are the implicit rules for making test outputs
# from the test programs and whatever input files are present.
define make-test-out
$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
$(test-wrapper-env) $(run-program-env) $($*-ENV)) \
$(host-test-program-cmd) $($*-ARGS)
endef
$(objpfx)%.out: %.input $(objpfx)%
$(make-test-out) > $@ < $(word 1,$^); \
$(evaluate-test)
$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
$(make-test-out) > $@; \
$(evaluate-test)
endif # tests
.PHONY: distclean realclean subdir_distclean subdir_realclean \
subdir_clean subdir_mostlyclean subdir_testclean
subdir_mostlyclean: mostlyclean
subdir_clean: clean
subdir_distclean: distclean
subdir_realclean: realclean
subdir_testclean: do-tests-clean
realclean: distclean
distclean: clean
# We want to install everything except the library itself, but update all
# our portions of the library because the parent make will install it later
# (likewise the stubs file).
.PHONY: subdir_install
subdir_install: install-no-libc.a lib-noranlib stubs
.PHONY: subdir_objs subdir_stubs
subdir_objs: objs
subdir_stubs: stubs
# Target required by the Hurd to ensure that all the MiG-generated
# headers are in place before building a subdirectory.
.PHONY: before-compile
before-compile: $(before-compile)
$(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);
$(compile-command.c)
# Local Variables:
# mode: makefile
# End:
|
