Revert "Enable optional lcov support"

This made gmake mandatory which is not ideal.  The code will be
fixed outside the tree and added back once it's free from any GNUism.
Discussed with dridi@.

.gitignore

@@ -112,9 +112,3 @@ cscope.*out
 /bin/varnishtest/tests/*.log
 /bin/varnishtest/tests/*.log-t
 /bin/varnishtest/test-suite.log
-
-# Code coverage with lcov/gcov
-*.gcno
-*.gcda
-*.info
-/lcov/

Makefile.am

@@ -25,17 +25,6 @@ distcleancheck_listfiles = \
 	find . -type f -exec sh -c 'test -f $(srcdir)/$$1 || echo $$1' \
 		sh '{}' ';'
 
-# lcov support
-CODE_COVERAGE_OUTPUT_DIRECTORY = lcov
-CODE_COVERAGE_IGNORE_PATTERN = "/usr/*"
-CODE_COVERAGE_GENHTML_OPTIONS = --prefix $(abs_top_srcdir)
-
-@CODE_COVERAGE_RULES@
-
-if CODE_COVERAGE_ENABLED
-lcov: check-code-coverage
-endif
-
 # XXX: This is a hack to ensure we have a built source tree when
 # running make dist If we had used non-recursive make we could have
 # solved it better, but we don't, so use this at least for now.

autogen.des

 #!/bin/sh
 #
 # Use this when doing code development
-#
-# Arguments to this script are passed to the resulting ./configure execution.
-# You may pass `--enable-code-coverage` to measure code coverage with lcov for
-# example.
 
 set -ex
 

bin/varnishtest/Makefile.am

@@ -4,10 +4,6 @@ VTC_LOG_COMPILER = ./varnishtest -v -i
 TEST_EXTENSIONS = .vtc
 TESTS = @VTC_TESTS@
 
-if CODE_COVERAGE_ENABLED
-VTC_LOG_COMPILER += -p cli_timeout=120
-endif
-
 # Make sure we run check-local first
 check: check-am check-local
 check-am: check-local

configure.ac

@@ -672,12 +672,6 @@ AC_SUBST(VTC_TESTS)
 # Make sure this include dir exists
 AC_CONFIG_COMMANDS([mkdir], [$MKDIR_P doc/sphinx/include])
 
-# lcov support
-AX_CODE_COVERAGE
-CPPFLAGS="$CPPFLAGS \$(CODE_COVERAGE_CPPFLAGS)"
-CFLAGS="$CFLAGS \$(CODE_COVERAGE_CFLAGS)"
-LDFLAGS="$LDFLAGS \$(CODE_COVERAGE_LDFLAGS)"
-
 # Generate output
 AC_CONFIG_FILES([
     Makefile

include/vbm_test.c

@@ -88,7 +88,5 @@ main(void)
 
 	vbit_destroy(vb);
 
-	(void)obits; /* needed when NDEBUG is defined */
-
 	return (0);
 }