-
Notifications
You must be signed in to change notification settings - Fork 80
/
Copy pathMakefile.in
486 lines (377 loc) · 15.8 KB
/
Makefile.in
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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
# Makefile.in for Serval DNA daemon and libraries
# nnnn
# vim: noet ts=8 sts=0 sw=8
prefix=@prefix@
exec_prefix=@exec_prefix@
bindir=@bindir@
sbindir=@sbindir@
sysconfdir=@sysconfdir@
localstatedir=@localstatedir@
srcdir=@srcdir@
abs_srcdir=@abs_srcdir@
abs_builddir=@abs_builddir@
CC = @CC@
AR = @AR@
RANLIB = @RANLIB@
JAVAC= @JAVAC@
SWIFTC= @SWIFTC@
SWIFTCFLAGS= @SWIFTCFLAGS@ -I$(abs_builddir) -I$(abs_srcdir)
SWIFTLIBS= @LIBS@
SWIFT_BUILD= @SWIFT_BUILD@
SWIFT_BUILD_FLAGS= $(addprefix -Xswiftc , $(SWIFTCFLAGS))
SWIFT_MODULE_NAME= ServalDNA
SWIFT_PACKAGE_DIR= $(srcdir)/swift-daemon-api
SWIFT_BUILD_DIR= $(abs_builddir)/swift-daemon-api/build
INSTALL= install
INSTALL_PROGRAM= $(INSTALL)
INSTALL_DATA= $(INSTALL) -m 644
include $(srcdir)/headerfiles.mk # sets SQLITE3_AMALGAMATION
include $(srcdir)/sourcefiles.mk # depends on SQLITE3_AMALGAMATION
LIBSODIUM_SUBDIR = libsodium/
LIBSODIUM_DEV = libsodium-dev
LIBSODIUM_HEADERS = $(LIBSODIUM_DEV)/include/sodium.h
LIBSODIUM_A = $(LIBSODIUM_DEV)/lib/libsodium.a
LIBSODIUM_SO = $(LIBSODIUM_DEV)/lib/libsodium.so
OBJSDIR_SERVALD = objs_servald
OBJSDIR_LIB = objs_lib
OBJSDIR_TOOLS = objs
OBJSDIRS = $(OBJSDIR_SERVALD) $(OBJSDIR_LIB) $(OBJSDIR_TOOLS)
SERVAL_DAEMON_OBJS = \
$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_SERVALD)/, $(MDP_CLIENT_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_DAEMON_SOURCES:.c=.o))
ifeq (@HAVE_JNI_H@,yes)
SERVAL_DAEMON_JNI_OBJS = $(OBJSDIR_SERVALD)/servald_jni_features.o
SERVAL_DAEMON_OBJS += \
$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_DAEMON_JNI_SOURCES:.c=.o))
endif
SQLITE3_OBJS = \
$(addprefix $(OBJSDIR_SERVALD)/, $(notdir $(SQLITE3_SOURCES:.c=.o)))
SERVALD_OBJS = \
$(SQLITE3_OBJS) \
$(SERVAL_DAEMON_OBJS)
LIB_SERVAL_OBJS = \
$(addprefix $(OBJSDIR_LIB)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_LIB)/, $(CLIENT_ONLY_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_LIB)/, $(MDP_CLIENT_SOURCES:.c=.o))
MONITOR_CLIENT_OBJS = \
$(addprefix $(OBJSDIR_LIB)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_LIB)/, $(CLIENT_ONLY_SOURCES:.c=.o)) \
$(addprefix $(OBJSDIR_LIB)/, $(MONITOR_CLIENT_SRCS:.c=.o))
SIMULATOR_OBJS = \
$(addprefix $(OBJSDIR_TOOLS)/, $(SIMULATOR_SOURCES:.c=.o))
PREFIXED_HEADERS = $(addprefix $(srcdir)/, $(ALL_HDRS))
PREFIXED_SOURCES = $(addprefix $(srcdir)/, $(ALL_SOURCES))
LDFLAGS=@LDFLAGS@ @LIBS@
CFLAGS= -I. -I$(srcdir)/$(SQLITE3_AMALGAMATION) @CPPFLAGS@ @CFLAGS@
CFLAGS+=-DSYSCONFDIR="\"$(sysconfdir)\"" -DLOCALSTATEDIR="\"$(localstatedir)\""
CFLAGS+=-DSQLITE_THREADSAFE=0 \
-DSQLITE_OMIT_DATETIME_FUNCS \
-DSQLITE_OMIT_COMPILEOPTION_DIAGS \
-DSQLITE_OMIT_DEPRECATED \
-DSQLITE_OMIT_LOAD_EXTENSION \
-DSQLITE_OMIT_VIRTUALTABLE \
-DSQLITE_OMIT_AUTHORIZATION
CFLAGS+=-fPIC -DSERVAL_ENABLE_DEBUG=1 -Wall -Werror -Wextra -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
# Solaris magic
CFLAGS+=-DSHA2_USE_INTTYPES_H -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__=1
# OSX magic to compensate for the Solaris magic
CFLAGS+=-D_DARWIN_C_SOURCE
CFLAGS_SQLITE=@CFLAGS_SQLITE@
-include $(srcdir)/Makefile.dbg
# More warnings, discover problems that only happen on some archs
CFLAGS+=-Wextra
# Security enhancements from Debian
CFLAGS+=-Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
CONFIG_H = @CONFIG_H@
DEFS= @DEFS@
SWIFTDEFS= $(addprefix -Xcc , $(DEFS))
# Usage: $(call MERGE_STATIC_LIBS, libdest.a, libsrcfoo.a libsrcbar.a)
MERGE_STATIC_LIBS = echo MERGE $(1) = $(2); \
tmp="$$(mktemp -d)" && \
( cd "$$tmp" $(foreach LIB, $(2), && $(AR) -x $(abspath $(LIB))) ) && \
$(RM) $(1) && \
$(AR) -cr $(1) "$$tmp"/*.o && \
$(RANLIB) $(1) && \
$(RM) -r "$$tmp"
.PHONY: all libs test install uninstall clean
all: libs servald directory_service test
libs: libservaldaemon.so libservaldaemon.a \
libservalclient.so libservalclient.a \
libmonitorclient.so libmonitorclient.a
test: servaldwrap serval-tests \
fakeradio simulator \
tfw_createfile
install: servald
$(INSTALL_PROGRAM) -D servald $(DESTDIR)$(sbindir)/servald
uninstall:
$(RM) $(DESTDIR)$(sbindir)/servald
clean:
$(RM) -r $(LIBSODIUM_DEV) \
$(OBJSDIRS:%=%/*) \
servald \
libservaldaemon.so libservaldaemon.a \
libservalclient.so libservalclient.a \
libmonitorclient.so libmonitorclient.a \
tfw_createfile directory_service fakeradio simulator serval-tests \
tags
cd $(LIBSODIUM_SUBDIR) && $(MAKE) clean
distclean: clean
$(RM) config.h config.status config.log testconfig.sh
cd $(LIBSODIUM_SUBDIR) && $(MAKE) distclean
# Only provide Java targets if the Java compiler is available.
ifneq ($(JAVAC),)
all: java-api
clean: java-api-clean
.PHONY: java-api java-api-clean
java-api:
@mkdir -p java-api
@cd java-api && $(MAKE) all
java-api-clean:
@cd java-api 2>/dev/null && $(MAKE) clean
endif # $(JAVAC)
ifneq ($(SWIFTC),) # Only provide Swift targets if the Swift compiler is available.
all: swift-daemon-api swift-client-api
test: servaldswift
clean: swift-daemon-api-clean swift-client-api-clean
.PHONY: swift-daemon-api swift-daemon-api-clean swift-client-api swift-client-api-clean
libServalDNA.a $(SWIFT_MODULE_NAME).swiftmodule $(SWIFT_MODULE_NAME).swiftdoc: swift-daemon-api
cp $(SWIFT_BUILD_DIR)/debug/$(notdir $@) $@
swift-daemon-api:
mkdir -p $(SWIFT_BUILD_DIR) && \
cd $(SWIFT_PACKAGE_DIR) && \
$(SWIFT_BUILD) --build-path $(SWIFT_BUILD_DIR) $(SWIFT_BUILD_FLAGS) $(SWIFTDEFS)
swift-daemon-api-clean:
$(RM) -r $(SWIFT_BUILD_DIR) \
$(SWIFT_MODULE_NAME).swiftmodule \
$(SWIFT_MODULE_NAME).swiftdoc
swift-client-api:
@mkdir -p swift-client-api
cd swift-client-api && $(MAKE) all
swift-client-api-clean:
cd swift-client-api 2>/dev/null && $(MAKE) clean
endif # $(SWIFTC)
# Build the Sodium elliptic curve encryption library within its 'libsodium'
# subtree, and install its development files (headers and libraries) into our
# $(LIBSODIUM_DEV) subdirectory. Then use the contents of this subdirectory to
# provide system headers, eg <sodium.h>, and libraries, eg, libsodium.a, to
# compile and link Serval DNA. This completely avoids any dependency on the
# system's installed libsodium run-time and development packages.
CFLAGS+= -isystem $(LIBSODIUM_DEV)/include
.PHONY: libsodium-dev
libsodium-dev $(LIBSODIUM_HEADERS) $(LIBSODIUM_A): $(LIBSODIUM_DEV)/.installed
# The libsodium package uses libtool, so by default its static libraries get
# compiled without the -fPIC option. This prevents the libsodium static
# library from being linked into a shared library. However, this Makefile
# needs to do exactly that, to make libservaldaemon.so, so passes the
# -prefer-pic libtool option, which causes libtool to use -fPIC even when
# compiling for static libraries.
$(LIBSODIUM_DEV)/.installed:
@echo MAKE $(LIBSODIUM_DEV)
@mkdir -p $(LIBSODIUM_DEV)
@$(RM) $@
@touch [email protected]
@cd $(LIBSODIUM_SUBDIR) && $(MAKE) \
CFLAGS+="-prefer-pic" \
exec_prefix=$(abspath $(LIBSODIUM_DEV)) \
prefix=$(abspath $(LIBSODIUM_DEV)) \
install
@mv -f [email protected] $@
# Source code test coverage support -- see doc/Testing.md
.PHONY: covzero covinit covhtml is_built_with_coverage has_coverage_data
covzero: | is_built_with_coverage
@echo REMOVE all .gcda files
@find $(OBJSDIRS) -type f -name '*.gcda' -print0 | xargs -0 $(RM)
covinit: servald-initial.info
covhtml: coverage_html/index.html
is_built_with_coverage:
@for obj in $(SERVALD_OBJS); do \
gcno="$${obj%.o}.gcno" ;\
if [ ! -r "$$gcno" ]; then \
echo "ERROR: servald has not been compiled for code coverage; missing $$gcno" ;\
exit 1 ;\
fi ;\
done
has_coverage_data: | is_built_with_coverage
@count=0; for obj in $(SERVALD_OBJS); do \
gcda="$${obj%.o}.gcda" ;\
[ -s "$$gcda" ] && count=$$(($$count + 1)) ;\
done ;\
if [ $$count -eq 0 ]; then \
echo "ERROR: no code coverage data; run some tests" ;\
exit 1 ;\
fi
servald-initial.info: Makefile servald | is_built_with_coverage
geninfo --quiet --initial --checksum --base-directory=$(abspath .) --no-external $(OBJSDIR_SERVALD) -o $@
servald-coverage.info: Makefile servald $(shell find $(OBJSDIR_SERVALD) -type f -name '*.gcda' 2>/dev/null) | has_coverage_data
geninfo --quiet --checksum --base-directory=$(abspath .) --no-external $(OBJSDIR_SERVALD) -o $@ 2>&1 | { grep -v 'WARNING: no data found for .*\.h$$' || true; }
@[ -s $@ ]
coverage_html/index.html: Makefile servald-initial.info servald-coverage.info
$(RM) -r coverage_html
genhtml --quiet servald-initial.info servald-coverage.info -o coverage_html
# Autconf support -- helpful messages to help avoid some common build mistakes.
.PRECIOUS: Makefile config.status $(srcdir)/configure
Makefile: $(srcdir)/Makefile.in config.status
$(warning Makefile may be out of date, please run ./config.status)
config.status: $(srcdir)/configure
$(warning config.status may be out of date, please run $(srcdir)/configure)
$(srcdir)/configure: $(srcdir)/configure.ac
$(warning $(srcdir)configure may be out of date, please run $(if $(srcdir:.=),cd $(srcdir) && ,)autoreconf -f -i -I m4)
# Embed Serval DNA's version into libraries and executables.
$(OBJSDIR_TOOLS)/version.o: $(PREFIXED_SOURCES) \
$(PREFIXED_HEADERS) \
$(srcdir)/version_servald.c \
$(srcdir)/version_string.sh \
$(wildcard VERSION.txt) \
$(srcdir)/COPYRIGHT.txt
@echo CC version_servald.c
@mkdir -p $(dir $@)
@$(RM) $(@:.o=.gcno) $(@:.o=.gcda)
@V=`$(srcdir)/version_string.sh --repository=$(srcdir) --ignore-untracked` \
&& C="`sed -e :a -e N -e '$$!ba' -e 's/[\\\\"]/\\\\&/g' -e 's/\\n/\\\\n/g' $(srcdir)/COPYRIGHT.txt`" \
&& $(CC) $(CFLAGS) $(DEFS) -c $(srcdir)/version_servald.c -o $@ -DSERVALD_VERSION="\"$$V\"" -DSERVALD_COPYRIGHT="\"$$C\""
#' <-- fixes vim syntax highlighting
# Compile SQLITE as a special case, because it is imported source code.
# Instead of fixing warnings case-by-case in the sqlite.c source code, simply
# suppress the classes of warnings that cause compilation errors with
# -Werror.
$(SQLITE3_OBJS): $(OBJSDIR_SERVALD)/%.o: $(srcdir)/$(SQLITE3_AMALGAMATION)/%.c
@echo SERVALD CC $<
@mkdir -p $(dir $@)
@$(RM) $(@:.o=.gcno) $(@:.o=.gcda)
@$(CC) $(CFLAGS) $(CFLAGS_SQLITE) $(DEFS) -c $< -o $@
# No object files in source directory!
%.o: $(srcdir)/%.c
$(OBJSDIR_TOOLS)/%.o: $(srcdir)/%.c
@echo CC $<
@mkdir -p $(dir $@)
@$(RM) $(@:.o=.gcno) $(@:.o=.gcda)
@$(CC) $(CFLAGS) $(DEFS) -c $< -o $@
$(OBJSDIR_SERVALD)/%.o: $(srcdir)/%.c
@echo SERVALD CC $<
@mkdir -p $(dir $@)
@$(RM) $(@:.o=.gcno) $(@:.o=.gcda)
@$(CC) $(CFLAGS) $(DEFS) -c $< -o $@
$(OBJSDIR_LIB)/%.o: $(srcdir)/%.c
@echo LIB CC $<
@mkdir -p $(dir $@)
@$(RM) $(@:.o=.gcno) $(@:.o=.gcda)
@$(CC) $(CFLAGS) $(DEFS) -c $< -o $@
# Dependencies on header files. The following list of dependencies is too
# broad so it sometimes results in unnecessary re-compilation, but that is
# better than too narrow, which can result in missed re-compilation.
$(SERVAL_DAEMON_OBJS): Makefile $(CONFIG_H) $(PREFIXED_HEADERS) $(LIBSODIUM_HEADERS)
$(SERVALD_OBJS): Makefile $(LIBSODIUM_HEADERS)
$(LIB_SERVAL_OBJS): Makefile $(CONFIG_H) $(PREFIXED_HEADERS) $(LIBSODIUM_HEADERS)
$(OBJSDIR_TOOLS)/tfw_createfile.o: Makefile $(srcdir)/str.h
$(OBJSDIR_TOOLS)/directory_service.o: Makefile $(CONFIG_H) $(PREFIXED_HEADERS) $(LIBSODIUM_HEADERS)
$(MONITOR_CLIENT_OBJS): Makefile $(CONFIG_H) $(PREFIXED_HEADERS) $(LIBSODIUM_HEADERS)
$(SIMULATOR_OBJS): Makefile $(CONFIG_H) $(PREFIXED_HEADERS) $(LIBSODIUM_HEADERS)
# Rules for main targets.
.INTERMEDIATE: _servald.a
_servald.a: $(SERVALD_OBJS) $(OBJSDIR_TOOLS)/version.o
@echo AR $@
@$(RM) $@
@$(AR) -cr $@ $^
libservaldaemon.a: _servald.a $(LIBSODIUM_A)
@$(call MERGE_STATIC_LIBS, $@, $^)
libservaldaemon.so: \
$(OBJSDIR_SERVALD)/servald_features.o \
$(OBJSDIR_SERVALD)/log_output_console.o \
$(SERVAL_DAEMON_JNI_OBJS) \
_servald.a \
$(LIBSODIUM_A)
@echo LINK $@
@$(CC) -Wall -shared -o $@ $(LDFLAGS) $(filter %.o, $^) $(filter %.a, $^)
# The daemon executable. There is no main.o mentioned in this link line, so
# the link brings it in from libservaldaemon.a in order to resolve the 'main'
# symbol. The servald_features.o object causes all the other .o object files
# to be pulled into the link.
servald: $(OBJSDIR_SERVALD)/servald_features.o \
$(OBJSDIR_SERVALD)/log_output_console.o \
libservaldaemon.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
ifneq ($(SWIFTC),) # Only provide Swift targets if the Swift compiler is available.
# A servald equivalent whose main entry point and logging output is implemented
# in the Swift language, rather than the C entry point in main.c. This exists
# mainly to ensure that the Serval daemon library can be linked into a Swift
# program and executed. This linkage support is needed by the iOS framework
# package.
servaldswift: $(srcdir)/servaldswift.swift \
$(OBJSDIR_SERVALD)/servald_features.o \
$(SWIFT_MODULE_NAME).swiftmodule \
libServalDNA.a \
libservaldaemon.a
@echo SWIFT $@
@$(SWIFTC) -emit-executable -o $@ \
$(SWIFTCFLAGS) $(SWIFTDEFS) \
$(filter %.swift, $^) $(filter %.o, $^) $(filter %.a, $^) \
$(SWIFTLIBS)
endif # $(SWIFTC)
servaldwrap: $(OBJSDIR_SERVALD)/servalwrap.o
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
serval-tests: $(OBJSDIR_SERVALD)/test_features.o \
libservaldaemon.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
directory_service: $(OBJSDIR_TOOLS)/directory_service.o libservalclient.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
tfw_createfile: $(OBJSDIR_TOOLS)/tfw_createfile.o libservalclient.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
fakeradio: $(OBJSDIR_TOOLS)/fakeradio.o libservalclient.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
simulator: $(SIMULATOR_OBJS) libservalclient.a
@echo LINK $@
@$(CC) -Wall -o $@ $^ $(LDFLAGS)
.INTERMEDIATE: _servalclient.a
_servalclient.a: $(LIB_SERVAL_OBJS) $(OBJSDIR_TOOLS)/version.o
@echo AR $@
@$(RM) $@
@$(AR) -cr $@ $^
libservalclient.a: _servalclient.a $(LIBSODIUM_A)
@$(call MERGE_STATIC_LIBS, $@, $^)
libservalclient.so: $(LIB_SERVAL_OBJS) $(OBJSDIR_TOOLS)/version.o $(LIBSODIUM_A)
@echo LINK $@
@$(CC) -Wall -shared -o $@ $(LDFLAGS) $(filter %.o %.a, $^) $(filter %.a, $^)
.INTERMEDIATE: _monitorclient.a
_monitorclient.a: $(MONITOR_CLIENT_OBJS) $(OBJSDIR_TOOLS)/version.o
@echo AR $@
@$(RM) $@
@$(AR) -cr $@ $^
libmonitorclient.a: _monitorclient.a $(LIBSODIUM_A)
@$(call MERGE_STATIC_LIBS, $@, $^)
libmonitorclient.so: $(MONITOR_CLIENT_OBJS) $(OBJSDIR_TOOLS)/version.o $(LIBSODIUM_A)
@echo LINK $@
@$(CC) -Wall -shared -o $@ $(LDFLAGS) $(filter %.o, $^) $(filter %.a, $^)
# The tags will always index all the Serval DNA headers and source files. If
# serval-tools is installed, then it will also index all the libsodium, JNI
# and Android NDK header files.
$(srcdir)/tags: Makefile $(PREFIXED_HEADERS) $(PREFIXED_SOURCES)
{ for file in $(PREFIXED_HEADERS) $(PREFIXED_SOURCES); do echo "$$file"; done; \
find $(LIBSODIUM_DEV)/include -type f ; \
sp-find-gcc-headers $(CFLAGS) 2>/dev/null; \
ndk_prefix=$$(sp-ndk-prefix . 2>/dev/null) && find "$$ndk_prefix/arch-arm/usr/include" -type f; \
} | ctags -L- -f $@ --tag-relative=yes --c-kinds=defgmpstuv
# Helpful target to update the COPYRIGHT.txt file by harvesting copyright
# information from the contents of all the source and header files. This
# should be run periodically and the results reviewed, manually adjusted and
# committed to the repository.
findPATH = $(firstword $(wildcard $(addsuffix /$(1),$(subst :, ,$(PATH)))))
COPYRIGHT_TOOL := $(call findPATH,sp-copyright-tool)
copyright:
@if [ -x "$(COPYRIGHT_TOOL)" ]; then \
echo GENERATE COPYRIGHT.txt; \
$(COPYRIGHT_TOOL) -o COPYRIGHT.txt condense \
$(PREFIXED_HEADERS) \
$(PREFIXED_SOURCES) \
$(find $(srcdir)/java-api -type f -name '*.java') \
$(find $(srcdir)/swift-api -type f -name '*.swift') \
; \
else \
echo 'sp-copyright-tool is not in $$PATH; COPYRIGHT.txt not updated'; \
fi