# Copyright (c) 2001-2004, Roger Dingledine # Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson # Copyright (c) 2007-2019, The Tor Project, Inc. # See LICENSE for licensing information ACLOCAL_AMFLAGS = -I m4 noinst_LIBRARIES= EXTRA_DIST= noinst_HEADERS= bin_PROGRAMS= EXTRA_PROGRAMS= CLEANFILES= TESTS= noinst_PROGRAMS= DISTCLEANFILES= bin_SCRIPTS= AM_CPPFLAGS=\ -I$(top_srcdir)/src \ -I$(top_srcdir)/src/ext \ -I$(top_srcdir)/src/ext/trunnel \ -I$(top_srcdir)/src/trunnel AM_CFLAGS=@TOR_SYSTEMD_CFLAGS@ @CFLAGS_BUGTRAP@ @TOR_LZMA_CFLAGS@ @TOR_ZSTD_CFLAGS@ SHELL=@SHELL@ if COVERAGE_ENABLED TESTING_TOR_BINARY=$(top_builddir)/src/app/tor-cov$(EXEEXT) else TESTING_TOR_BINARY=$(top_builddir)/src/app/tor$(EXEEXT) endif if USE_RUST rust_ldadd=$(top_builddir)/$(TOR_RUST_LIB_PATH) else rust_ldadd= endif # "Common" libraries used to link tor's utility code. TOR_UTIL_LIBS = \ src/lib/libtor-geoip.a \ src/lib/libtor-process.a \ src/lib/libtor-buf.a \ src/lib/libtor-confmgt.a \ src/lib/libtor-pubsub.a \ src/lib/libtor-dispatch.a \ src/lib/libtor-time.a \ src/lib/libtor-fs.a \ src/lib/libtor-encoding.a \ src/lib/libtor-sandbox.a \ src/lib/libtor-container.a \ src/lib/libtor-net.a \ src/lib/libtor-thread.a \ src/lib/libtor-memarea.a \ src/lib/libtor-math.a \ src/lib/libtor-meminfo.a \ src/lib/libtor-osinfo.a \ src/lib/libtor-log.a \ src/lib/libtor-lock.a \ src/lib/libtor-fdio.a \ src/lib/libtor-string.a \ src/lib/libtor-term.a \ src/lib/libtor-smartlist-core.a \ src/lib/libtor-malloc.a \ src/lib/libtor-wallclock.a \ src/lib/libtor-err.a \ src/lib/libtor-version.a \ src/lib/libtor-intmath.a \ src/lib/libtor-ctime.a # Variants of the above for linking the testing variant of tor (for coverage # and tests) if UNITTESTS_ENABLED TOR_UTIL_TESTING_LIBS = \ src/lib/libtor-geoip-testing.a \ src/lib/libtor-process-testing.a \ src/lib/libtor-buf-testing.a \ src/lib/libtor-confmgt-testing.a \ src/lib/libtor-pubsub-testing.a \ src/lib/libtor-dispatch-testing.a \ src/lib/libtor-time-testing.a \ src/lib/libtor-fs-testing.a \ src/lib/libtor-encoding-testing.a \ src/lib/libtor-sandbox-testing.a \ src/lib/libtor-container-testing.a \ src/lib/libtor-net-testing.a \ src/lib/libtor-thread-testing.a \ src/lib/libtor-memarea-testing.a \ src/lib/libtor-math-testing.a \ src/lib/libtor-meminfo-testing.a \ src/lib/libtor-osinfo-testing.a \ src/lib/libtor-term-testing.a \ src/lib/libtor-log-testing.a \ src/lib/libtor-lock-testing.a \ src/lib/libtor-fdio-testing.a \ src/lib/libtor-string-testing.a \ src/lib/libtor-smartlist-core-testing.a \ src/lib/libtor-malloc-testing.a \ src/lib/libtor-wallclock-testing.a \ src/lib/libtor-err-testing.a \ src/lib/libtor-version-testing.a \ src/lib/libtor-intmath.a \ src/lib/libtor-ctime-testing.a endif # Internal crypto libraries used in Tor TOR_CRYPTO_LIBS = \ src/lib/libtor-tls.a \ src/lib/libtor-crypt-ops.a \ $(LIBKECCAK_TINY) \ $(LIBDONNA) # Variants of the above for linking the testing variant of tor (for coverage # and tests) if UNITTESTS_ENABLED TOR_CRYPTO_TESTING_LIBS = \ src/lib/libtor-tls-testing.a \ src/lib/libtor-crypt-ops-testing.a \ $(LIBKECCAK_TINY) \ $(LIBDONNA) endif # All static libraries used to link tor. TOR_INTERNAL_LIBS = \ src/core/libtor-app.a \ src/lib/libtor-compress.a \ src/lib/libtor-evloop.a \ $(TOR_CRYPTO_LIBS) \ $(TOR_UTIL_LIBS) \ src/trunnel/libor-trunnel.a \ src/lib/libtor-trace.a # Variants of the above for linking the testing variant of tor (for coverage # and tests) if UNITTESTS_ENABLED TOR_INTERNAL_TESTING_LIBS = \ src/core/libtor-app-testing.a \ src/lib/libtor-compress-testing.a \ src/lib/libtor-evloop-testing.a \ $(TOR_CRYPTO_TESTING_LIBS) \ $(TOR_UTIL_TESTING_LIBS) \ src/trunnel/libor-trunnel-testing.a \ src/lib/libtor-trace.a endif TOR_LDFLAGS_CRYPTLIB=@TOR_LDFLAGS_openssl@ TOR_LIBS_CRYPTLIB=@TOR_OPENSSL_LIBS@ TOR_CFLAGS_CRYPTLIB= if USE_NSS TOR_CFLAGS_CRYPTLIB+=@NSS_CFLAGS@ TOR_LIBS_CRYPTLIB+=@NSS_LIBS@ endif # All libraries used to link tor-cov include src/include.am include doc/include.am include contrib/include.am EXTRA_DIST+= \ ChangeLog \ CONTRIBUTING \ CODE_OF_CONDUCT \ INSTALL \ LICENSE \ Makefile.nmake \ README \ ReleaseNotes \ scripts/maint/checkIncludes.py \ scripts/maint/checkSpace.pl \ scripts/maint/checkShellScripts.sh \ scripts/maint/practracker/README \ scripts/maint/practracker/exceptions.txt \ scripts/maint/practracker/includes.py \ scripts/maint/practracker/metrics.py \ scripts/maint/practracker/practracker.py \ scripts/maint/practracker/practracker_tests.py \ scripts/maint/practracker/problem.py \ scripts/maint/practracker/testdata/.may_include \ scripts/maint/practracker/testdata/a.c \ scripts/maint/practracker/testdata/b.c \ scripts/maint/practracker/testdata/ex0-expected.txt \ scripts/maint/practracker/testdata/ex0.txt \ scripts/maint/practracker/testdata/ex1-expected.txt \ scripts/maint/practracker/testdata/ex1.txt \ scripts/maint/practracker/testdata/ex1-overbroad-expected.txt \ scripts/maint/practracker/testdata/ex.txt \ scripts/maint/practracker/testdata/header.h \ scripts/maint/practracker/testdata/not_c_file \ scripts/maint/practracker/test_practracker.sh \ scripts/maint/practracker/util.py \ scripts/coccinelle/apply.sh \ scripts/coccinelle/check_cocci_parse.sh \ scripts/coccinelle/exceptions.txt \ scripts/coccinelle/test-operator-cleanup \ scripts/coccinelle/tor-coccinelle.h \ scripts/coccinelle/try_parse.sh ## This tells etags how to find mockable function definitions. AM_ETAGSFLAGS=--regex='{c}/MOCK_IMPL([^,]+,\W*\([a-zA-Z0-9_]+\)\W*,/\1/s' if COVERAGE_ENABLED TEST_CFLAGS=-fno-inline -fprofile-arcs -ftest-coverage if DISABLE_ASSERTS_IN_UNIT_TESTS TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE -DDISABLE_ASSERTS_IN_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@ else TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE @TOR_MODULES_ALL_ENABLED@ endif TEST_NETWORK_FLAGS=--coverage --hs-multi-client 1 else TEST_CFLAGS= TEST_CPPFLAGS=-DTOR_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@ TEST_NETWORK_FLAGS=--hs-multi-client 1 endif TEST_NETWORK_SHOW_WARNINGS_FOR_LAST_RUN_FLAGS=--quiet --only-warnings if LIBFUZZER_ENABLED TEST_CFLAGS += -fsanitize-coverage=trace-pc-guard,trace-cmp,trace-div # not "edge" endif TEST_NETWORK_ALL_LOG_DIR=$(top_builddir)/test_network_log TEST_NETWORK_ALL_DRIVER_FLAGS=--color-tests yes #install-data-local: # $(INSTALL) -m 755 -d $(LOCALSTATEDIR)/lib/tor # Allows to override rpmbuild with rpmbuild-md5 from fedora-packager so that # building for EL5 won't fail on https://bugzilla.redhat.com/show_bug.cgi?id=490613 RPMBUILD ?= rpmbuild # Use automake's dist-gzip target to build the tarball dist-rpm: dist-gzip TIMESTAMP=$$(date +"%Y-%m-%d_%H.%M.%S"); \ RPM_BUILD_DIR=$$(mktemp -d "/tmp/tor-rpm-build-$$TIMESTAMP-XXXX"); \ mkdir -p "$$RPM_BUILD_DIR"/{BUILD,RPMS,SOURCES/"tor-$(VERSION)",SPECS,SRPMS}; \ cp -fa "$(distdir).tar.gz" "$$RPM_BUILD_DIR"/SOURCES/; \ LIBS=-lrt $(RPMBUILD) -ba --define "_topdir $$RPM_BUILD_DIR" tor.spec; \ cp -fa "$$RPM_BUILD_DIR"/SRPMS/* .; \ cp -fa "$$RPM_BUILD_DIR"/RPMS/* .; \ rm -rf "$$RPM_BUILD_DIR"; \ echo "RPM build finished"; \ #end of dist-rpm .PHONY: doxygen doxygen: Doxyfile mkdir -p doc/doxygen (cd "$(top_srcdir)" && doxygen "$(abs_top_builddir)/Doxyfile") test: all $(top_builddir)/src/test/test shellcheck: $(top_srcdir)/scripts/maint/checkShellScripts.sh check-local: check-spaces check-changes check-includes check-best-practices shellcheck check-cocci need-chutney-path: @if test ! -d "$$CHUTNEY_PATH"; then \ echo '$$CHUTNEY_PATH was not set.'; \ if test -d $(top_srcdir)/../chutney -a -x $(top_srcdir)/../chutney/chutney; then \ echo "Assuming test-network.sh will find" $(top_srcdir)/../chutney; \ else \ echo; \ echo "To run these tests, git clone https://git.torproject.org/chutney.git ; export CHUTNEY_PATH=\`pwd\`/chutney"; \ exit 1; \ fi \ fi # Note that test-network requires a copy of Chutney in $CHUTNEY_PATH. # Chutney can be cloned from https://git.torproject.org/chutney.git . test-network: need-chutney-path $(TESTING_TOR_BINARY) src/tools/tor-gencert $(top_srcdir)/src/test/test-network.sh $(TEST_NETWORK_FLAGS) # Run all available tests using automake's test-driver # - only run IPv6 tests if we can ping6 or ping -6 ::1 (localhost) # we try the syntax for BSD ping6, Linux ping6, and Linux ping -6, # because they're incompatible # - some IPv6 tests may fail without an IPv6 DNS server # (see #16971 and #17011) # - only run mixed tests if we have a tor-stable binary # - show tor warnings on the console after each network run # (otherwise, warnings go to the logs, and people don't see them unless # there is a network failure) test-network-all: need-chutney-path test-driver $(TESTING_TOR_BINARY) src/tools/tor-gencert mkdir -p $(TEST_NETWORK_ALL_LOG_DIR) rm -f $(TEST_NETWORK_ALL_LOG_DIR)/*.log $(TEST_NETWORK_ALL_LOG_DIR)/*.trs @flavors="$(TEST_CHUTNEY_FLAVORS)"; \ if ping6 -q -c 1 -o ::1 >/dev/null 2>&1 || ping6 -q -c 1 -W 1 ::1 >/dev/null 2>&1 || ping -6 -c 1 -W 1 ::1 >/dev/null 2>&1; then \ echo "ping6 ::1 or ping ::1 succeeded, running IPv6 flavors: $(TEST_CHUTNEY_FLAVORS_IPV6)."; \ flavors="$$flavors $(TEST_CHUTNEY_FLAVORS_IPV6)"; \ else \ echo "ping6 ::1 and ping ::1 failed, skipping IPv6 flavors: $(TEST_CHUTNEY_FLAVORS_IPV6)."; \ skip_flavors="$$skip_flavors $(TEST_CHUTNEY_FLAVORS_IPV6)"; \ fi; \ if command -v tor-stable >/dev/null 2>&1; then \ echo "tor-stable found, running mixed flavors: $(TEST_CHUTNEY_FLAVORS_MIXED)."; \ flavors="$$flavors $(TEST_CHUTNEY_FLAVORS_MIXED)"; \ else \ echo "tor-stable not found, skipping mixed flavors: $(TEST_CHUTNEY_FLAVORS_MIXED)."; \ skip_flavors="$$skip_flavors $(TEST_CHUTNEY_FLAVORS_MIXED)"; \ fi; \ for f in $$skip_flavors; do \ echo "SKIP: $$f"; \ done; \ for f in $$flavors; do \ $(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); \ $(top_srcdir)/src/test/test-network.sh $(TEST_NETWORK_SHOW_WARNINGS_FOR_LAST_RUN_FLAGS); \ done; \ echo "Log and result files are available in $(TEST_NETWORK_ALL_LOG_DIR)."; \ ! grep -q FAIL $(TEST_NETWORK_ALL_LOG_DIR)/*.trs need-stem-path: @if test ! -d "$$STEM_SOURCE_DIR"; then \ echo '$$STEM_SOURCE_DIR was not set.'; echo; \ echo "To run these tests, git clone https://git.torproject.org/stem.git/ ; export STEM_SOURCE_DIR=\`pwd\`/stem"; \ exit 1; \ fi test-stem: need-stem-path $(TESTING_TOR_BINARY) @$(PYTHON) "$$STEM_SOURCE_DIR"/run_tests.py --tor "$(TESTING_TOR_BINARY)" --integ --test control.controller --test control.base_controller --test process --log notice; test-stem-full: need-stem-path $(TESTING_TOR_BINARY) @$(PYTHON) "$$STEM_SOURCE_DIR"/run_tests.py --tor "$(TESTING_TOR_BINARY)" --all --log notice --target RUN_ALL,ONLINE -v; test-full: need-stem-path need-chutney-path check test-network test-stem test-full-online: need-stem-path need-chutney-path check test-network test-stem-full # We can't delete the gcno files, because they are created when tor is compiled reset-gcov: rm -f $(top_builddir)/src/*/*.gcda $(top_builddir)/src/*/*/*.gcda \ $(top_builddir)/src/*/*.gcov $(top_builddir)/src/*/*/*.gcov HTML_COVER_DIR=$(top_builddir)/coverage_html coverage-html: all if COVERAGE_ENABLED test -e "`which lcov`" || (echo "lcov must be installed. See ." && false) test -d "$(HTML_COVER_DIR)" || $(MKDIR_P) "$(HTML_COVER_DIR)" lcov --rc lcov_branch_coverage=1 --directory $(top_builddir)/src --zerocounters $(MAKE) reset-gcov $(MAKE) check lcov --capture --rc lcov_branch_coverage=1 --no-external --directory $(top_builddir) --base-directory $(top_srcdir) --output-file "$(HTML_COVER_DIR)/lcov.tmp" lcov --remove "$(HTML_COVER_DIR)/lcov.tmp" --rc lcov_branch_coverage=1 'test/*' 'ext/tinytest*' '/usr/*' --output-file "$(HTML_COVER_DIR)/lcov.info" genhtml --branch-coverage -o "$(HTML_COVER_DIR)" "$(HTML_COVER_DIR)/lcov.info" else @printf "Not configured with --enable-coverage, run ./configure --enable-coverage\n" endif coverage-html-full: all test -e "`which lcov`" || (echo "lcov must be installed. See ." && false) test -d "$(HTML_COVER_DIR)" || mkdir -p "$(HTML_COVER_DIR)" lcov --rc lcov_branch_coverage=1 --directory ./src --zerocounters $(MAKE) reset-gcov $(MAKE) check $(MAKE) test-stem-full CHUTNEY_TOR=tor-cov CHUTNEY_TOR_GENCERT=tor-cov-gencert $(top_srcdir)/src/test/test-network.sh CHUTNEY_TOR=tor-cov CHUTNEY_TOR_GENCERT=tor-cov-gencert $(top_srcdir)/src/test/test-network.sh --flavor hs lcov --capture --rc lcov_branch_coverage=1 --no-external --directory . --output-file "$(HTML_COVER_DIR)/lcov.tmp" lcov --remove "$(HTML_COVER_DIR)/lcov.tmp" --rc lcov_branch_coverage=1 'test/*' 'ext/tinytest*' '/usr/*' --output-file "$(HTML_COVER_DIR)/lcov.info" genhtml --branch-coverage -o "$(HTML_COVER_DIR)" "$(HTML_COVER_DIR)/lcov.info" # For scripts: avoid src/ext and src/trunnel. OWNED_TOR_C_FILES=\ $(top_srcdir)/src/lib/*/*.[ch] \ $(top_srcdir)/src/core/*/*.[ch] \ $(top_srcdir)/src/feature/*/*.[ch] \ $(top_srcdir)/src/app/*/*.[ch] \ $(top_srcdir)/src/test/*.[ch] \ $(top_srcdir)/src/test/*/*.[ch] \ $(top_srcdir)/src/tools/*.[ch] check-spaces: if USE_PERL $(PERL) $(top_srcdir)/scripts/maint/checkSpace.pl -C \ $(OWNED_TOR_C_FILES) endif check-includes: if USEPYTHON $(PYTHON) $(top_srcdir)/scripts/maint/practracker/includes.py $(top_srcdir) endif check-best-practices: if USEPYTHON @$(PYTHON) $(top_srcdir)/scripts/maint/practracker/practracker.py $(top_srcdir) $(TOR_PRACTRACKER_OPTIONS) endif check-cocci: VERBOSE=1 $(top_srcdir)/scripts/coccinelle/check_cocci_parse.sh $(OWNED_TOR_C_FILES) practracker-regen: $(PYTHON) $(top_srcdir)/scripts/maint/practracker/practracker.py --regen $(top_srcdir) check-docs: all $(PERL) $(top_builddir)/scripts/maint/checkOptionDocs.pl check-logs: $(top_srcdir)/scripts/maint/checkLogs.pl \ $(top_srcdir)/src/*/*.[ch] | sort -n .PHONY: check-typos check-typos: @if test -x "`which misspell 2>&1;true`"; then \ echo "Checking for Typos ..."; \ (misspell \ $(top_srcdir)/src/[^e]*/*.[ch] \ $(top_srcdir)/doc \ $(top_srcdir)/contrib \ $(top_srcdir)/scripts \ $(top_srcdir)/README \ $(top_srcdir)/ChangeLog \ $(top_srcdir)/INSTALL \ $(top_srcdir)/ReleaseNotes \ $(top_srcdir)/LICENSE); \ else \ echo "Tor can use misspell to check for typos."; \ echo "It seems that you don't have misspell installed."; \ echo "You can install the latest version of misspell here: https://github.com/client9/misspell#install"; \ fi .PHONY: rustfmt rustfmt: if USE_RUST @if test -x "`which cargo-fmt 2>&1;true`"; then \ echo "Formatting Rust code ..."; \ (cd "$(top_srcdir)/src/rust" && cargo fmt --all --); \ else \ echo "Tor uses rustfmt (via cargo-fmt) to format Rust code."; \ echo "However, it seems that you don't have rustfmt installed."; \ printf "You can install rustfmt by following the directions here:"; \ echo " https://github.com/rust-lang-nursery/rustfmt"; \ fi endif .PHONY: check-rustfmt check-rustfmt: if USE_RUST @if test -x "`which cargo-fmt 2>&1;true`"; then \ printf "Running rustfmt..."; \ (cd "$(top_srcdir)/src/rust" && cargo fmt --all -- --check && echo "done.") || \ (echo "**************** check-rustfmt failed. ****************"; \ echo " Run \`make rustfmt\` to apply the above changes."; \ exit 1); \ else \ echo "Tor uses rustfmt (via cargo-fmt) to format Rust code."; \ echo "However, it seems that you don't have rustfmt installed."; \ printf "You can install rustfmt by following the directions here:"; \ echo " https://github.com/rust-lang-nursery/rustfmt"; \ fi endif .PHONY: clippy clippy: if USE_RUST @if test -x "`which cargo-clippy 2>&1;true`"; then \ echo "Running cargo clippy ..."; \ echo "Prepare yourself for the onslaught of suggestions ..."; \ (cd "$(top_srcdir)/src/rust" && cargo clippy); \ else \ echo "Tor can use clippy to lint Rust code."; \ echo "However, it seems that you don't have clippy installed."; \ echo "You can install the latest version of clippy by following the directions here: https://github.com/rust-lang-nursery/rust-clippy"; \ fi endif .PHONY: check-changes check-changes: if USEPYTHON @if test -d "$(top_srcdir)/changes"; then \ PACKAGE_VERSION=$(PACKAGE_VERSION) $(PYTHON) $(top_srcdir)/scripts/maint/lintChanges.py $(top_srcdir)/changes; \ fi endif .PHONY: update-versions update-versions: abs_top_srcdir="$(abs_top_srcdir)" $(PYTHON) $(top_srcdir)/scripts/maint/update_versions.py .PHONY: callgraph callgraph: cd $(top_builddir); $(abs_top_srcdir)/scripts/maint/run_calltool.sh version: @echo "Tor @VERSION@" @if test -d "$(top_srcdir)/.git" && test -x "`which git 2>&1;true`"; then \ echo -n "git: " ;\ (cd "$(top_srcdir)" && git rev-parse --short=16 HEAD); \ fi .PHONY: autostyle-ifdefs autostyle-ifdefs: $(PYTHON) $(top_srcdir)/scripts/maint/annotate_ifdef_directives.py $(OWNED_TOR_C_FILES) .PHONY: autostyle-ifdefs autostyle-operators: $(PERL) $(top_srcdir)/scripts/coccinelle/test-operator-cleanup $(OWNED_TOR_C_FILES) .PHONY: rectify-includes rectify-includes: cd $(top_srcdir); $(PYTHON) $(abs_top_srcdir)/scripts/maint/rectify_include_paths.py .PHONY: update-copyright update-copyright: $(PERL) $(top_srcdir)/scripts/maint/updateCopyright.pl $(OWNED_TOR_C_FILES) .PHONY: autostyle autostyle: update-versions rustfmt autostyle-ifdefs rectify-includes mostlyclean-local: rm -f $(top_builddir)/src/*/*.gc{da,no} $(top_builddir)/src/*/*/*.gc{da,no} rm -rf $(HTML_COVER_DIR) rm -rf $(top_builddir)/doc/doxygen rm -rf $(TEST_NETWORK_ALL_LOG_DIR) clean-local: rm -rf $(top_builddir)/src/rust/target rm -rf $(top_builddir)/src/rust/.cargo/registry if USE_RUST distclean-local: distclean-rust endif # This relies on some internal details of how automake implements # distcheck. We check two directories because automake-1.15 changed # from $(distdir)/_build to $(distdir)/_build/sub. show-distdir-testlog: @if test -d "$(distdir)/_build/sub"; then \ cat $(distdir)/_build/sub/$(TEST_SUITE_LOG); \ else \ cat $(distdir)/_build/$(TEST_SUITE_LOG); fi # Similarly, this relies on automake internals to run file on an # intermittent core file whose provenance is not known to us. See # ticket 26787. show-distdir-core: @if test -d "$(distdir)/_build/sub"; then \ file $(distdir)/_build/sub/core ; \ else \ file $(distdir)/_build/core; fi show-libs: @echo $(TOR_INTERNAL_LIBS) show-testing-libs: @echo $(TOR_INTERNAL_TESTING_LIBS)