Makefile.am 16 KB

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  1. # Copyright (c) 2001-2004, Roger Dingledine
  2. # Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
  3. # Copyright (c) 2007-2018, The Tor Project, Inc.
  4. # See LICENSE for licensing information
  5. ACLOCAL_AMFLAGS = -I m4
  6. noinst_LIBRARIES=
  7. EXTRA_DIST=
  8. noinst_HEADERS=
  9. bin_PROGRAMS=
  10. EXTRA_PROGRAMS=
  11. CLEANFILES=
  12. TESTS=
  13. noinst_PROGRAMS=
  14. DISTCLEANFILES=
  15. bin_SCRIPTS=
  16. AM_CPPFLAGS=\
  17. -I$(top_srcdir)/src \
  18. -I$(top_srcdir)/src/ext \
  19. -I$(top_srcdir)/src/ext/trunnel \
  20. -I$(top_srcdir)/src/trunnel
  21. AM_CFLAGS=@TOR_SYSTEMD_CFLAGS@ @CFLAGS_BUGTRAP@ @TOR_LZMA_CFLAGS@ @TOR_ZSTD_CFLAGS@
  22. SHELL=@SHELL@
  23. if COVERAGE_ENABLED
  24. TESTING_TOR_BINARY=$(top_builddir)/src/app/tor-cov$(EXEEXT)
  25. else
  26. TESTING_TOR_BINARY=$(top_builddir)/src/app/tor$(EXEEXT)
  27. endif
  28. if USE_RUST
  29. ## this MUST be $(), otherwise am__DEPENDENCIES will not track it
  30. rust_ldadd=$(top_builddir)/$(TOR_RUST_LIB_PATH) \
  31. $(TOR_RUST_EXTRA_LIBS)
  32. else
  33. rust_ldadd=
  34. endif
  35. # "Common" libraries used to link tor's utility code.
  36. TOR_UTIL_LIBS = \
  37. src/lib/libtor-geoip.a \
  38. src/lib/libtor-process.a \
  39. src/lib/libtor-time.a \
  40. src/lib/libtor-fs.a \
  41. src/lib/libtor-encoding.a \
  42. src/lib/libtor-sandbox.a \
  43. src/lib/libtor-container.a \
  44. src/lib/libtor-net.a \
  45. src/lib/libtor-thread.a \
  46. src/lib/libtor-memarea.a \
  47. src/lib/libtor-math.a \
  48. src/lib/libtor-meminfo.a \
  49. src/lib/libtor-osinfo.a \
  50. src/lib/libtor-log.a \
  51. src/lib/libtor-lock.a \
  52. src/lib/libtor-fdio.a \
  53. src/lib/libtor-string.a \
  54. src/lib/libtor-term.a \
  55. src/lib/libtor-smartlist-core.a \
  56. src/lib/libtor-malloc.a \
  57. src/lib/libtor-wallclock.a \
  58. src/lib/libtor-err.a \
  59. src/lib/libtor-intmath.a \
  60. src/lib/libtor-ctime.a
  61. # Variants of the above for linking the testing variant of tor (for coverage
  62. # and tests)
  63. if UNITTESTS_ENABLED
  64. TOR_UTIL_TESTING_LIBS = \
  65. src/lib/libtor-geoip-testing.a \
  66. src/lib/libtor-process-testing.a \
  67. src/lib/libtor-time-testing.a \
  68. src/lib/libtor-fs-testing.a \
  69. src/lib/libtor-encoding-testing.a \
  70. src/lib/libtor-sandbox-testing.a \
  71. src/lib/libtor-container-testing.a \
  72. src/lib/libtor-net-testing.a \
  73. src/lib/libtor-thread-testing.a \
  74. src/lib/libtor-memarea-testing.a \
  75. src/lib/libtor-math-testing.a \
  76. src/lib/libtor-meminfo-testing.a \
  77. src/lib/libtor-osinfo-testing.a \
  78. src/lib/libtor-term-testing.a \
  79. src/lib/libtor-log-testing.a \
  80. src/lib/libtor-lock-testing.a \
  81. src/lib/libtor-fdio-testing.a \
  82. src/lib/libtor-string-testing.a \
  83. src/lib/libtor-smartlist-core-testing.a \
  84. src/lib/libtor-malloc-testing.a \
  85. src/lib/libtor-wallclock-testing.a \
  86. src/lib/libtor-err-testing.a \
  87. src/lib/libtor-intmath.a \
  88. src/lib/libtor-ctime-testing.a
  89. endif
  90. # Internal crypto libraries used in Tor
  91. TOR_CRYPTO_LIBS = \
  92. src/lib/libtor-tls.a \
  93. src/lib/libtor-crypt-ops.a \
  94. $(LIBKECCAK_TINY) \
  95. $(LIBDONNA)
  96. # Variants of the above for linking the testing variant of tor (for coverage
  97. # and tests)
  98. if UNITTESTS_ENABLED
  99. TOR_CRYPTO_TESTING_LIBS = \
  100. src/lib/libtor-tls-testing.a \
  101. src/lib/libtor-crypt-ops-testing.a \
  102. $(LIBKECCAK_TINY) \
  103. $(LIBDONNA)
  104. endif
  105. # All static libraries used to link tor.
  106. TOR_INTERNAL_LIBS = \
  107. src/core/libtor-app.a \
  108. src/lib/libtor-compress.a \
  109. src/lib/libtor-evloop.a \
  110. $(TOR_CRYPTO_LIBS) \
  111. $(TOR_UTIL_LIBS) \
  112. src/trunnel/libor-trunnel.a \
  113. src/lib/libtor-trace.a
  114. # Variants of the above for linking the testing variant of tor (for coverage
  115. # and tests)
  116. if UNITTESTS_ENABLED
  117. TOR_INTERNAL_TESTING_LIBS = \
  118. src/core/libtor-app-testing.a \
  119. src/lib/libtor-compress-testing.a \
  120. src/lib/libtor-evloop-testing.a \
  121. $(TOR_CRYPTO_TESTING_LIBS) \
  122. $(TOR_UTIL_TESTING_LIBS) \
  123. src/trunnel/libor-trunnel-testing.a \
  124. src/lib/libtor-trace.a
  125. endif
  126. TOR_LDFLAGS_CRYPTLIB=@TOR_LDFLAGS_openssl@
  127. TOR_LIBS_CRYPTLIB=@TOR_OPENSSL_LIBS@
  128. TOR_CFLAGS_CRYPTLIB=
  129. if USE_NSS
  130. TOR_CFLAGS_CRYPTLIB+=@NSS_CFLAGS@
  131. TOR_LIBS_CRYPTLIB+=@NSS_LIBS@
  132. endif
  133. # All libraries used to link tor-cov
  134. include src/include.am
  135. include doc/include.am
  136. include contrib/include.am
  137. EXTRA_DIST+= \
  138. ChangeLog \
  139. CONTRIBUTING \
  140. CODE_OF_CONDUCT \
  141. INSTALL \
  142. LICENSE \
  143. Makefile.nmake \
  144. README \
  145. ReleaseNotes \
  146. scripts/maint/checkIncludes.py \
  147. scripts/maint/checkSpace.pl
  148. ## This tells etags how to find mockable function definitions.
  149. AM_ETAGSFLAGS=--regex='{c}/MOCK_IMPL([^,]+,\W*\([a-zA-Z0-9_]+\)\W*,/\1/s'
  150. if COVERAGE_ENABLED
  151. TEST_CFLAGS=-fno-inline -fprofile-arcs -ftest-coverage
  152. if DISABLE_ASSERTS_IN_UNIT_TESTS
  153. TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE -DDISABLE_ASSERTS_IN_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@
  154. else
  155. TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE @TOR_MODULES_ALL_ENABLED@
  156. endif
  157. TEST_NETWORK_FLAGS=--coverage --hs-multi-client 1
  158. else
  159. TEST_CFLAGS=
  160. TEST_CPPFLAGS=-DTOR_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@
  161. TEST_NETWORK_FLAGS=--hs-multi-client 1
  162. endif
  163. TEST_NETWORK_WARNING_FLAGS=--quiet --only-warnings
  164. if LIBFUZZER_ENABLED
  165. TEST_CFLAGS += -fsanitize-coverage=trace-pc-guard,trace-cmp,trace-div
  166. # not "edge"
  167. endif
  168. TEST_NETWORK_ALL_LOG_DIR=$(top_builddir)/test_network_log
  169. TEST_NETWORK_ALL_DRIVER_FLAGS=--color-tests yes
  170. #install-data-local:
  171. # $(INSTALL) -m 755 -d $(LOCALSTATEDIR)/lib/tor
  172. # Allows to override rpmbuild with rpmbuild-md5 from fedora-packager so that
  173. # building for EL5 won't fail on https://bugzilla.redhat.com/show_bug.cgi?id=490613
  174. RPMBUILD ?= rpmbuild
  175. # Use automake's dist-gzip target to build the tarball
  176. dist-rpm: dist-gzip
  177. TIMESTAMP=$$(date +"%Y-%m-%d_%H.%M.%S"); \
  178. RPM_BUILD_DIR=$$(mktemp -d "/tmp/tor-rpm-build-$$TIMESTAMP-XXXX"); \
  179. mkdir -p "$$RPM_BUILD_DIR"/{BUILD,RPMS,SOURCES/"tor-$(VERSION)",SPECS,SRPMS}; \
  180. cp -fa "$(distdir).tar.gz" "$$RPM_BUILD_DIR"/SOURCES/; \
  181. LIBS=-lrt $(RPMBUILD) -ba --define "_topdir $$RPM_BUILD_DIR" tor.spec; \
  182. cp -fa "$$RPM_BUILD_DIR"/SRPMS/* .; \
  183. cp -fa "$$RPM_BUILD_DIR"/RPMS/* .; \
  184. rm -rf "$$RPM_BUILD_DIR"; \
  185. echo "RPM build finished"; \
  186. #end of dist-rpm
  187. doxygen:
  188. doxygen && cd doc/doxygen/latex && make
  189. test: all
  190. $(top_builddir)/src/test/test
  191. check-local: check-spaces check-changes check-includes
  192. need-chutney-path:
  193. @if test ! -d "$$CHUTNEY_PATH"; then \
  194. echo '$$CHUTNEY_PATH was not set.'; \
  195. if test -d $(top_srcdir)/../chutney -a -x $(top_srcdir)/../chutney/chutney; then \
  196. echo "Assuming test-network.sh will find" $(top_srcdir)/../chutney; \
  197. else \
  198. echo; \
  199. echo "To run these tests, git clone https://git.torproject.org/chutney.git ; export CHUTNEY_PATH=\`pwd\`/chutney"; \
  200. exit 1; \
  201. fi \
  202. fi
  203. # Note that test-network requires a copy of Chutney in $CHUTNEY_PATH.
  204. # Chutney can be cloned from https://git.torproject.org/chutney.git .
  205. test-network: need-chutney-path $(TESTING_TOR_BINARY) src/tools/tor-gencert
  206. $(top_srcdir)/src/test/test-network.sh $(TEST_NETWORK_FLAGS)
  207. # Run all available tests using automake's test-driver
  208. # only run IPv6 tests if we can ping6 ::1 (localhost)
  209. # only run IPv6 tests if we can ping ::1 (localhost)
  210. # some IPv6 tests will fail without an IPv6 DNS server (see #16971 and #17011)
  211. # only run mixed tests if we have a tor-stable binary
  212. # Try the syntax for BSD ping6, Linux ping6, and Linux ping -6,
  213. # because they're incompatible
  214. test-network-all: need-chutney-path test-driver $(TESTING_TOR_BINARY) src/tools/tor-gencert
  215. mkdir -p $(TEST_NETWORK_ALL_LOG_DIR)
  216. rm -f $(TEST_NETWORK_ALL_LOG_DIR)/*.log $(TEST_NETWORK_ALL_LOG_DIR)/*.trs
  217. @flavors="$(TEST_CHUTNEY_FLAVORS)"; \
  218. if ping6 -q -c 1 -o ::1 >/dev/null 2>&1 || ping6 -q -c 1 -W 1 ::1 >/dev/null 2>&1 || ping -6 -c 1 -W 1 ::1 >/dev/null 2>&1; then \
  219. echo "ping6 ::1 or ping ::1 succeeded, running IPv6 flavors: $(TEST_CHUTNEY_FLAVORS_IPV6)."; \
  220. flavors="$$flavors $(TEST_CHUTNEY_FLAVORS_IPV6)"; \
  221. else \
  222. echo "ping6 ::1 and ping ::1 failed, skipping IPv6 flavors: $(TEST_CHUTNEY_FLAVORS_IPV6)."; \
  223. skip_flavors="$$skip_flavors $(TEST_CHUTNEY_FLAVORS_IPV6)"; \
  224. fi; \
  225. if command -v tor-stable >/dev/null 2>&1; then \
  226. echo "tor-stable found, running mixed flavors: $(TEST_CHUTNEY_FLAVORS_MIXED)."; \
  227. flavors="$$flavors $(TEST_CHUTNEY_FLAVORS_MIXED)"; \
  228. else \
  229. echo "tor-stable not found, skipping mixed flavors: $(TEST_CHUTNEY_FLAVORS_MIXED)."; \
  230. skip_flavors="$$skip_flavors $(TEST_CHUTNEY_FLAVORS_MIXED)"; \
  231. fi; \
  232. for f in $$skip_flavors; do \
  233. echo "SKIP: $$f"; \
  234. done; \
  235. for f in $$flavors; do \
  236. $(SHELL) $(top_srcdir)/test-driver --test-name $$f --log-file $(TEST_NETWORK_ALL_LOG_DIR)/$$f.log --trs-file $(TEST_NETWORK_ALL_LOG_DIR)/$$f.trs $(TEST_NETWORK_ALL_DRIVER_FLAGS) $(top_srcdir)/src/test/test-network.sh --flavor $$f $(TEST_NETWORK_FLAGS); \
  237. $(top_srcdir)/src/test/test-network.sh $(TEST_NETWORK_WARNING_FLAGS); \
  238. done; \
  239. echo "Log and result files are available in $(TEST_NETWORK_ALL_LOG_DIR)."; \
  240. ! grep -q FAIL $(TEST_NETWORK_ALL_LOG_DIR)/*.trs
  241. need-stem-path:
  242. @if test ! -d "$$STEM_SOURCE_DIR"; then \
  243. echo '$$STEM_SOURCE_DIR was not set.'; echo; \
  244. echo "To run these tests, git clone https://git.torproject.org/stem.git/ ; export STEM_SOURCE_DIR=\`pwd\`/stem"; \
  245. exit 1; \
  246. fi
  247. test-stem: need-stem-path $(TESTING_TOR_BINARY)
  248. @$(PYTHON) "$$STEM_SOURCE_DIR"/run_tests.py --tor "$(TESTING_TOR_BINARY)" --all --log notice --target RUN_ALL;
  249. test-stem-full: need-stem-path $(TESTING_TOR_BINARY)
  250. @$(PYTHON) "$$STEM_SOURCE_DIR"/run_tests.py --tor "$(TESTING_TOR_BINARY)" --all --log notice --target RUN_ALL,ONLINE -v;
  251. test-full: need-stem-path need-chutney-path check test-network test-stem
  252. test-full-online: need-stem-path need-chutney-path check test-network test-stem-full
  253. reset-gcov:
  254. rm -f $(top_builddir)/src/*/*.gcda $(top_builddir)/src/*/*/*.gcda
  255. HTML_COVER_DIR=$(top_builddir)/coverage_html
  256. coverage-html: all
  257. if COVERAGE_ENABLED
  258. test -e "`which lcov`" || (echo "lcov must be installed. See <http://ltp.sourceforge.net/coverage/lcov.php>." && false)
  259. test -d "$(HTML_COVER_DIR)" || $(MKDIR_P) "$(HTML_COVER_DIR)"
  260. lcov --rc lcov_branch_coverage=1 --directory $(top_builddir)/src --zerocounters
  261. $(MAKE) reset-gcov
  262. $(MAKE) check
  263. lcov --capture --rc lcov_branch_coverage=1 --no-external --directory $(top_builddir) --base-directory $(top_srcdir) --output-file "$(HTML_COVER_DIR)/lcov.tmp"
  264. lcov --remove "$(HTML_COVER_DIR)/lcov.tmp" --rc lcov_branch_coverage=1 'test/*' 'ext/tinytest*' '/usr/*' --output-file "$(HTML_COVER_DIR)/lcov.info"
  265. genhtml --branch-coverage -o "$(HTML_COVER_DIR)" "$(HTML_COVER_DIR)/lcov.info"
  266. else
  267. @printf "Not configured with --enable-coverage, run ./configure --enable-coverage\n"
  268. endif
  269. coverage-html-full: all
  270. test -e "`which lcov`" || (echo "lcov must be installed. See <http://ltp.sourceforge.net/coverage/lcov.php>." && false)
  271. test -d "$(HTML_COVER_DIR)" || mkdir -p "$(HTML_COVER_DIR)"
  272. lcov --rc lcov_branch_coverage=1 --directory ./src --zerocounters
  273. $(MAKE) reset-gcov
  274. $(MAKE) check
  275. $(MAKE) test-stem-full
  276. CHUTNEY_TOR=tor-cov CHUTNEY_TOR_GENCERT=tor-cov-gencert $(top_srcdir)/src/test/test-network.sh
  277. CHUTNEY_TOR=tor-cov CHUTNEY_TOR_GENCERT=tor-cov-gencert $(top_srcdir)/src/test/test-network.sh --flavor hs
  278. lcov --capture --rc lcov_branch_coverage=1 --no-external --directory . --output-file "$(HTML_COVER_DIR)/lcov.tmp"
  279. lcov --remove "$(HTML_COVER_DIR)/lcov.tmp" --rc lcov_branch_coverage=1 'test/*' 'ext/tinytest*' '/usr/*' --output-file "$(HTML_COVER_DIR)/lcov.info"
  280. genhtml --branch-coverage -o "$(HTML_COVER_DIR)" "$(HTML_COVER_DIR)/lcov.info"
  281. # Avoid strlcpy.c, strlcat.c, aes.c, OpenBSD_malloc_Linux.c, sha256.c,
  282. # tinytest*.[ch]
  283. check-spaces:
  284. if USE_PERL
  285. $(PERL) $(top_srcdir)/scripts/maint/checkSpace.pl -C \
  286. $(top_srcdir)/src/lib/*/*.[ch] \
  287. $(top_srcdir)/src/core/*/*.[ch] \
  288. $(top_srcdir)/src/feature/*/*.[ch] \
  289. $(top_srcdir)/src/app/*/*.[ch] \
  290. $(top_srcdir)/src/test/*.[ch] \
  291. $(top_srcdir)/src/test/*/*.[ch] \
  292. $(top_srcdir)/src/tools/*.[ch]
  293. endif
  294. check-includes:
  295. if USEPYTHON
  296. $(PYTHON) $(top_srcdir)/scripts/maint/checkIncludes.py
  297. endif
  298. check-docs: all
  299. $(PERL) $(top_builddir)/scripts/maint/checkOptionDocs.pl
  300. check-logs:
  301. $(top_srcdir)/scripts/maint/checkLogs.pl \
  302. $(top_srcdir)/src/*/*.[ch] | sort -n
  303. .PHONY: check-typos
  304. check-typos:
  305. @if test -x "`which misspell 2>&1;true`"; then \
  306. echo "Checking for Typos ..."; \
  307. (misspell \
  308. $(top_srcdir)/src/[^e]*/*.[ch] \
  309. $(top_srcdir)/doc \
  310. $(top_srcdir)/contrib \
  311. $(top_srcdir)/scripts \
  312. $(top_srcdir)/README \
  313. $(top_srcdir)/ChangeLog \
  314. $(top_srcdir)/INSTALL \
  315. $(top_srcdir)/ReleaseNotes \
  316. $(top_srcdir)/LICENSE); \
  317. else \
  318. echo "Tor can use misspell to check for typos."; \
  319. echo "It seems that you don't have misspell installed."; \
  320. echo "You can install the latest version of misspell here: https://github.com/client9/misspell#install"; \
  321. fi
  322. .PHONY: rustfmt
  323. rustfmt:
  324. if USE_RUST
  325. @if test -x "`which cargo-fmt 2>&1;true`"; then \
  326. echo "Formatting Rust code ..."; \
  327. (cd "$(top_srcdir)/src/rust" && cargo fmt --all --); \
  328. else \
  329. echo "Tor uses rustfmt (via cargo-fmt) to format Rust code."; \
  330. echo "However, it seems that you don't have rustfmt installed."; \
  331. printf "You can install rustfmt by following the directions here:"; \
  332. echo " https://github.com/rust-lang-nursery/rustfmt"; \
  333. fi
  334. endif
  335. .PHONY: check-rustfmt
  336. check-rustfmt:
  337. if USE_RUST
  338. @if test -x "`which cargo-fmt 2>&1;true`"; then \
  339. printf "Running rustfmt..."; \
  340. (cd "$(top_srcdir)/src/rust" && cargo fmt --all -- --check && echo "done.") || \
  341. (echo "**************** check-rustfmt failed. ****************"; \
  342. echo " Run \`make rustfmt\` to apply the above changes."; \
  343. exit 1); \
  344. else \
  345. echo "Tor uses rustfmt (via cargo-fmt) to format Rust code."; \
  346. echo "However, it seems that you don't have rustfmt installed."; \
  347. printf "You can install rustfmt by following the directions here:"; \
  348. echo " https://github.com/rust-lang-nursery/rustfmt"; \
  349. fi
  350. endif
  351. .PHONY: clippy
  352. clippy:
  353. if USE_RUST
  354. @if test -x "`which cargo-clippy 2>&1;true`"; then \
  355. echo "Running cargo clippy ..."; \
  356. echo "Prepare yourself for the onslaught of suggestions ..."; \
  357. (cd "$(top_srcdir)/src/rust" && cargo clippy); \
  358. else \
  359. echo "Tor can use clippy to lint Rust code."; \
  360. echo "However, it seems that you don't have clippy installed."; \
  361. echo "You can install the latest version of clippy by following the directions here: https://github.com/rust-lang-nursery/rust-clippy"; \
  362. fi
  363. endif
  364. .PHONY: check-changes
  365. check-changes:
  366. if USEPYTHON
  367. @if test -d "$(top_srcdir)/changes"; then \
  368. $(PYTHON) $(top_srcdir)/scripts/maint/lintChanges.py $(top_srcdir)/changes; \
  369. fi
  370. endif
  371. .PHONY: update-versions
  372. update-versions:
  373. $(PERL) $(top_builddir)/scripts/maint/updateVersions.pl
  374. .PHONY: callgraph
  375. callgraph:
  376. $(top_builddir)/scripts/maint/run_calltool.sh
  377. version:
  378. @echo "Tor @VERSION@"
  379. @if test -d "$(top_srcdir)/.git" && test -x "`which git 2>&1;true`"; then \
  380. echo -n "git: " ;\
  381. (cd "$(top_srcdir)" && git rev-parse --short=16 HEAD); \
  382. fi
  383. mostlyclean-local:
  384. rm -f $(top_builddir)/src/*/*.gc{da,no} $(top_builddir)/src/*/*/*.gc{da,no}
  385. rm -rf $(HTML_COVER_DIR)
  386. rm -rf $(top_builddir)/doc/doxygen
  387. rm -rf $(TEST_NETWORK_ALL_LOG_DIR)
  388. clean-local:
  389. rm -rf $(top_builddir)/src/rust/target
  390. rm -rf $(top_builddir)/src/rust/.cargo/registry
  391. if USE_RUST
  392. distclean-local: distclean-rust
  393. endif
  394. # This relies on some internal details of how automake implements
  395. # distcheck. We check two directories because automake-1.15 changed
  396. # from $(distdir)/_build to $(distdir)/_build/sub.
  397. show-distdir-testlog:
  398. @if test -d "$(distdir)/_build/sub"; then \
  399. cat $(distdir)/_build/sub/$(TEST_SUITE_LOG); \
  400. else \
  401. cat $(distdir)/_build/$(TEST_SUITE_LOG); fi
  402. # Similarly, this relies on automake internals to run file on an
  403. # intermittent core file whose provenance is not known to us. See
  404. # ticket 26787.
  405. show-distdir-core:
  406. @if test -d "$(distdir)/_build/sub"; then \
  407. file $(distdir)/_build/sub/core ; \
  408. else \
  409. file $(distdir)/_build/core; fi
  410. show-libs:
  411. @echo $(TOR_INTERNAL_LIBS)
  412. show-testing-libs:
  413. @echo $(TOR_INTERNAL_TESTING_LIBS)