diff --git a/Makefile.in b/Makefile.in
index 5c93333e8..6de746f75 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -110,7 +110,7 @@ all: config.status
 	    exit $$?; \
 	done
 
-check check-fuzzer fuzz pre-install: config.status
+check check-verbose check-fuzzer fuzz pre-install: config.status
 	for d in $(SUBDIRS); do \
 	    (cd $$d && exec $(MAKE) $@) && continue; \
 	    exit $$?; \
@@ -146,7 +146,7 @@ splint: config.status
 
 cov-build:
 	make clean
-	cov-build --dir cov-int make ${MFLAGS} all
+	cov-build --dir cov-int make $(MFLAGS) all
 
 cov-upload:
 	tar zcf cov-int.tgz cov-int
diff --git a/docs/Makefile.in b/docs/Makefile.in
index 8b526cd92..afd0c491b 100644
--- a/docs/Makefile.in
+++ b/docs/Makefile.in
@@ -414,6 +414,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-rm -f fixman.sed
 
diff --git a/examples/Makefile.in b/examples/Makefile.in
index 595cfdf99..706e6cce7 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -119,6 +119,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 
 mostlyclean: clean
diff --git a/include/Makefile.in b/include/Makefile.in
index 79aefbefb..92f05632f 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -96,6 +96,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 
 mostlyclean: clean
diff --git a/lib/eventlog/Makefile.in b/lib/eventlog/Makefile.in
index 7f62355d4..ff3c13de5 100644
--- a/lib/eventlog/Makefile.in
+++ b/lib/eventlog/Makefile.in
@@ -81,6 +81,7 @@ DEVEL = @DEVEL@
 SHELL = @SHELL@
 
 TEST_PROGS = check_wrap
+TEST_VERBOSE =
 
 LIBEVENTLOG_OBJS = eventlog.lo eventlog_conf.lo eventlog_free.lo logwrap.lo
 
@@ -168,6 +169,9 @@ check: $(TEST_PROGS) check-fuzzer
 	    exit $$rval; \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la $(TEST_PROGS)
 	-rm -f *.i *.plog stamp-* core *.core core.* regress/*/*.out
diff --git a/lib/fuzzstub/Makefile.in b/lib/fuzzstub/Makefile.in
index 5f6ad0c2b..ff308d251 100644
--- a/lib/fuzzstub/Makefile.in
+++ b/lib/fuzzstub/Makefile.in
@@ -145,6 +145,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/lib/iolog/Makefile.in b/lib/iolog/Makefile.in
index c2759dbdd..165ff8831 100644
--- a/lib/iolog/Makefile.in
+++ b/lib/iolog/Makefile.in
@@ -81,6 +81,7 @@ PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE)
 TEST_PROGS = check_iolog_filter check_iolog_json check_iolog_mkpath check_iolog_path check_iolog_timing host_port_test
 TEST_LIBS = @LIBS@
 TEST_LDFLAGS = @LDFLAGS@
+TEST_VERBOSE =
 
 # Fuzzers
 LIBFUZZSTUB = $(top_builddir)/lib/fuzzstub/libsudo_fuzzstub.la
@@ -339,6 +340,9 @@ check: $(TEST_PROGS) check-fuzzer
 	    exit $$rval; \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(TEST_PROGS) $(FUZZ_PROGS) \
 	    *.lo *.o *.la
diff --git a/lib/logsrv/Makefile.in b/lib/logsrv/Makefile.in
index 58378c8af..1b173a5d9 100644
--- a/lib/logsrv/Makefile.in
+++ b/lib/logsrv/Makefile.in
@@ -157,6 +157,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/lib/protobuf-c/Makefile.in b/lib/protobuf-c/Makefile.in
index f3a2d0526..6c6315291 100644
--- a/lib/protobuf-c/Makefile.in
+++ b/lib/protobuf-c/Makefile.in
@@ -152,6 +152,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/lib/util/Makefile.in b/lib/util/Makefile.in
index 8a6208b3d..cecadf503 100644
--- a/lib/util/Makefile.in
+++ b/lib/util/Makefile.in
@@ -116,6 +116,8 @@ TEST_PROGS = conf_test hltq_test parseln_test progname_test \
 	     uuid_test @COMPAT_TEST_PROGS@
 TEST_LIBS = @LIBS@
 TEST_LDFLAGS = @LDFLAGS@
+TEST_VERBOSE =
+HARNESS = $(SHELL) regress/harness $(TEST_VERBOSE)
 
 # Fuzzers
 LIBFUZZSTUB = $(top_builddir)/lib/fuzzstub/libsudo_fuzzstub.la
@@ -460,11 +462,14 @@ check: $(TEST_PROGS) check-fuzzer
 	    rm -f ./progname_test2; ln -s ./progname_test ./progname_test2; \
 	    ./progname_test2 || rval=`expr $$rval + $$?`; \
 	    rm -f ./progname_test2; \
-	    AWK=$(AWK) $(SHELL) regress/harness sudo_conf || rval=`expr $$rval + $$?`; \
-	    AWK=$(AWK) $(SHELL) regress/harness sudo_parseln || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) sudo_conf || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) sudo_parseln || rval=`expr $$rval + $$?`; \
 	    exit $$rval; \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(TEST_PROGS) $(FUZZ_PROGS) \
 	    *.lo *.o *.la
diff --git a/lib/zlib/Makefile.in b/lib/zlib/Makefile.in
index f5860cd47..ebb98efe0 100644
--- a/lib/zlib/Makefile.in
+++ b/lib/zlib/Makefile.in
@@ -167,6 +167,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f stamp-* core *.core core.*
diff --git a/logsrvd/Makefile.in b/logsrvd/Makefile.in
index 3faa1587b..6ed19072e 100644
--- a/logsrvd/Makefile.in
+++ b/logsrvd/Makefile.in
@@ -257,6 +257,8 @@ check-fuzzer: $(FUZZ_PROGS)
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(PROGS) $(FUZZ_PROGS) \
 	    *.lo *.o *.la
diff --git a/plugins/audit_json/Makefile.in b/plugins/audit_json/Makefile.in
index 1e0f08e7b..0a2840415 100644
--- a/plugins/audit_json/Makefile.in
+++ b/plugins/audit_json/Makefile.in
@@ -187,6 +187,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la *.a *.i *.plog \
 	    stamp-* core *.core core.*
diff --git a/plugins/group_file/Makefile.in b/plugins/group_file/Makefile.in
index 89974dd7e..e648dd88b 100644
--- a/plugins/group_file/Makefile.in
+++ b/plugins/group_file/Makefile.in
@@ -190,6 +190,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/plugins/python/Makefile.in b/plugins/python/Makefile.in
index 5d19baa03..c0d21e0d4 100644
--- a/plugins/python/Makefile.in
+++ b/plugins/python/Makefile.in
@@ -131,6 +131,7 @@ LIBOBJDIR = $(top_builddir)/@ac_config_libobj_dir@/
 VERSION = @PACKAGE_VERSION@
 
 TEST_PROGS = check_python_examples
+TEST_VERBOSE =
 
 CHECK_PYTHON_EXAMPLES_OBJS = check_python_examples.o iohelpers.o testhelpers.o pyhelpers.o sudo_python_debug.o
 
@@ -238,6 +239,9 @@ check: $(TEST_PROGS) check-fuzzer
 		./check_python_examples ".libs/python_plugin.so"; \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 update_test_data: $(TEST_PROGS)
 	@if test X"$(cross_compiling)" != X"yes"; then \
             UPDATE_TESTDATA=1 ./check_python_examples ".libs/python_plugin.so"; \
diff --git a/plugins/sample/Makefile.in b/plugins/sample/Makefile.in
index 7b27669c0..f16bf747b 100644
--- a/plugins/sample/Makefile.in
+++ b/plugins/sample/Makefile.in
@@ -185,6 +185,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/plugins/sample_approval/Makefile.in b/plugins/sample_approval/Makefile.in
index f7c4d6033..6f6456dcd 100644
--- a/plugins/sample_approval/Makefile.in
+++ b/plugins/sample_approval/Makefile.in
@@ -187,6 +187,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la *.a *.i *.plog \
 	    stamp-* core *.core core.*
diff --git a/plugins/sudoers/Makefile.in b/plugins/sudoers/Makefile.in
index 204540b89..317e6f3f0 100644
--- a/plugins/sudoers/Makefile.in
+++ b/plugins/sudoers/Makefile.in
@@ -160,6 +160,8 @@ TEST_PROGS = check_addr check_base64 check_digest check_editor \
 	     check_env_pattern check_exptilde check_fill check_gentime \
 	     check_hexchar check_iolog_plugin check_serialize_list \
 	     check_starttime check_unesc @SUDOERS_TEST_PROGS@
+TEST_VERBOSE =
+HARNESS = $(SHELL) regress/harness $(TEST_VERBOSE)
 
 # Fuzzers
 LIB_FUZZING_ENGINE = @FUZZ_ENGINE@
@@ -676,13 +678,16 @@ check: $(TEST_PROGS) visudo testsudoers cvtsudoers check-fuzzer
 	    if test -f check_symbols; then \
 		./check_symbols .libs/sudoers.so $(shlib_exp) || rval=`expr $$rval + $$?`; \
 	    fi; \
-	    AWK=$(AWK) $(SHELL) regress/harness sudoers || rval=`expr $$rval + $$?`; \
-	    AWK=$(AWK) $(SHELL) regress/harness testsudoers || rval=`expr $$rval + $$?`; \
-	    AWK=$(AWK) $(SHELL) regress/harness visudo || rval=`expr $$rval + $$?`; \
-	    AWK=$(AWK) $(SHELL) regress/harness cvtsudoers || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) sudoers || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) testsudoers || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) visudo || rval=`expr $$rval + $$?`; \
+	    AWK=$(AWK) $(HARNESS) cvtsudoers || rval=`expr $$rval + $$?`; \
 	    exit $$rval; \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(PROGS) $(TEST_PROGS) \
 	    $(FUZZ_PROGS) *.lo *.o *.la
diff --git a/plugins/system_group/Makefile.in b/plugins/system_group/Makefile.in
index bcace6c3f..4eaac7aa7 100644
--- a/plugins/system_group/Makefile.in
+++ b/plugins/system_group/Makefile.in
@@ -190,6 +190,8 @@ check-fuzzer:
 
 check: check-fuzzer
 
+check-verbose: check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la
 	-rm -f *.i *.plog stamp-* core *.core core.*
diff --git a/src/Makefile.in b/src/Makefile.in
index 12f4e1be8..6708888e4 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -129,6 +129,7 @@ RC_LINK=@RC_LINK@
 TEST_PROGS = check_net_ifs check_noexec check_ttyname
 TEST_LIBS = @LIBS@ $(LT_LIBS)
 TEST_LDFLAGS = @LDFLAGS@
+TEST_VERBOSE =
 
 # Set to non-empty for development mode
 DEVEL = @DEVEL@
@@ -332,13 +333,16 @@ check: $(TEST_PROGS) check-fuzzer
 	    unset LANG || LANG=; \
 	    MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \
 	    MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \
-	    ./check_net_ifs; \
+	    ./check_net_ifs $(TEST_VERBOSE); \
 	    if [ -f .libs/$(noexecfile) ]; then \
-		./check_noexec .libs/$(noexecfile); \
+		./check_noexec $(TEST_VERBOSE) .libs/$(noexecfile); \
 	    fi; \
-	    ./check_ttyname; \
+	    ./check_ttyname $(TEST_VERBOSE); \
 	fi
 
+check-verbose:
+	exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v check
+
 clean:
 	-$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(PROGS) $(TEST_PROGS) \
 	    *.lo *.o *.la