diff --git a/Makefile.am b/Makefile.am
index 7b960fb2..291f478e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -80,3 +80,30 @@ gen-ChangeLog:
 
 check-valgrind:
 	TESTS_ENVIRONMENT="VALGRIND_TESTS=1" $(MAKE) check
+
+LCOV_INFO=wget.info
+
+clean-lcov:
+	rm -rf $(LCOV_INFO) */*.gc?? */.libs/*.gc?? lcov/
+	lcov --zerocounters --directory src/
+
+check-coverage: clean clean-lcov
+	$(MAKE) CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
+	lcov --capture --initial --directory src/ --output-file $(LCOV_INFO)
+	$(MAKE) CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage" VALGRIND_TESTS=0 check
+	lcov --capture --directory src/ --output-file $(LCOV_INFO)
+	lcov --remove $(LCOV_INFO) '/usr/include/*' '*/lib/*' -o $(LCOV_INFO)
+	genhtml --prefix . --ignore-errors source $(LCOV_INFO) --legend --title "Wget" --output-directory=lcov
+	@echo
+	@echo "You can now view the coverage report with 'xdg-open lcov/index.html'"
+
+fuzz-coverage: clean clean-lcov
+	$(MAKE) -C lib
+	$(MAKE) -C src CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
+	$(MAKE) -C fuzz check CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
+	lcov --capture --initial --directory fuzz --directory src --output-file $(LCOV_INFO)
+	lcov --capture --directory fuzz --directory src --output-file $(LCOV_INFO)
+	lcov --remove $(LCOV_INFO) '/usr/include/*' '*/lib/*' -o $(LCOV_INFO)
+	genhtml --prefix . --ignore-errors source $(LCOV_INFO) --legend --title "Wget-fuzz" --output-directory=lcov
+	@echo
+	@echo "You can now view the coverage report with 'xdg-open lcov/index.html'"
diff --git a/configure.ac b/configure.ac
index 43f41dc2..8691c028 100644
--- a/configure.ac
+++ b/configure.ac
@@ -344,6 +344,8 @@ AC_CHECK_TYPES(sig_atomic_t, [], [], [
 AM_ICONV
 gl_INIT
 
+AX_CODE_COVERAGE
+
 dnl
 dnl Checks for library functions.
 dnl
diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index 7cf269bf..1ffeb389 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -1,12 +1,13 @@
-AM_CFLAGS = -Wall -Wextra $(WERROR_CFLAGS) $(WARN_CFLAGS)
+AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS) $(CODE_COVERAGE_CFLAGS)
 AM_CPPFLAGS = -I$(top_srcdir)/src -I$(srcdir) -I$(top_builddir)/lib -I$(top_srcdir)/lib \
+ $(CODE_COVERAGE_CPPFLAGS) \
  -DSRCDIR=\"$(abs_srcdir)\"
 LDADD = ../lib/libgnu.a \
  $(GETADDRINFO_LIB) $(HOSTENT_LIB) $(INET_NTOP_LIB) $(INET_PTON_LIB) \
  $(LIBSOCKET) $(LIB_CLOCK_GETTIME) $(LIB_CRYPTO) $(LIB_GETLOGIN) $(LIB_NANOSLEEP) $(LIB_POLL) \
  $(LIB_POSIX_SPAWN) $(LIB_PTHREAD_SIGMASK) $(LIB_SELECT) $(LIBICONV) $(LIBINTL) \
  $(LIBMULTITHREAD) $(LIBTHREAD) $(SERVENT_LIB) @INTL_MACOSX_LIBS@ \
- $(FUZZ_LIBS)
+ $(FUZZ_LIBS) $(CODE_COVERAGE_LIBS)
 
 WGET_TESTS = \
  wget_cookie_fuzzer$(EXEEXT) \
diff --git a/src/Makefile.am b/src/Makefile.am
index 0c502800..322a3db5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -62,12 +62,12 @@ wget_SOURCES = connect.c convert.c cookies.c ftp.c	\
 		exits.h version.h metalink.h xattr.h
 nodist_wget_SOURCES = version.c
 EXTRA_wget_SOURCES = iri.c
-LDADD = $(LIBOBJS) ../lib/libgnu.a $(GETADDRINFO_LIB) $(HOSTENT_LIB)\
+LDADD = $(CODE_COVERAGE_LIBS) $(LIBOBJS) ../lib/libgnu.a $(GETADDRINFO_LIB) $(HOSTENT_LIB)\
  $(INET_NTOP_LIB) $(LIBSOCKET) $(LIB_CLOCK_GETTIME) $(LIB_CRYPTO)\
  $(LIB_NANOSLEEP) $(LIB_POSIX_SPAWN) $(LIB_SELECT) $(LIBICONV) $(LIBINTL)\
  $(LIBTHREAD) $(LIBUNISTRING) $(SERVENT_LIB)
-AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
-AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS)
+AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib $(CODE_COVERAGE_CPPFLAGS)
+AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS) $(CODE_COVERAGE_CFLAGS)
 
 ../lib/libgnu.a:
 	cd ../lib && $(MAKE) $(AM_MAKEFLAGS)
@@ -104,7 +104,7 @@ distclean-local:
 check_LIBRARIES = libunittest.a
 libunittest_a_SOURCES = $(wget_SOURCES) build_info.c
 nodist_libunittest_a_SOURCES = version.c
-libunittest_a_CPPFLAGS = -DTESTING "-I$(top_builddir)/lib" "-I$(top_srcdir)/lib"
+libunittest_a_CPPFLAGS = -DTESTING "-I$(top_builddir)/lib" "-I$(top_srcdir)/lib" $(CODE_COVERAGE_CPPLAGS)
 libunittest_a_LIBADD = $(LIBOBJS)
 
 CLEANFILES = *~ *.bak core core.[0-9]* build_info.c version.c