Patched libtoolto not remove gcno [skip appveyor]

For more see: https://stackoverflow.com/q/49476206

Author: sergeyklay

.travis.yml

@@ -45,7 +45,6 @@ cache:
 before_install:
   - phpenv config-rm xdebug.ini || true
   - ulimit -c unlimited -S || true
-  - if [[ ${TRAVIS_PHP_VERSION:0:3} == "7.4" ]]; then export COVERAGE="OFF"; fi
 
 install:
   - .ci/install-re2c.sh
@@ -70,6 +69,8 @@ before_script:
 
 script:
   - .ci/run-tests.sh
+ # To make sure we're able to parse/send coverage report
+  - find . -type f \( -name '*.gcno' -o -name '*.gcda' \) -print
 
 after_failure:
   - .ci/after-failure.sh

parser.mk

@@ -48,6 +48,10 @@ $(srcdir)/parser/parser.c: $(srcdir)/parser/zephir.c $(srcdir)/parser/base.c
 	echo "#line 1 \"$(top_srcdir)/parser/base.c\"" >> $@
 	cat $(top_srcdir)/parser/base.c >> $@
 
-$(srcdir)/parser/zephir.c: $(srcdir)/parser/zephir.lemon $(srcdir)/parser/lemon
+$(srcdir)/parser/zephir.c: $(srcdir)/parser/zephir.lemon $(srcdir)/parser/lemon patch-libtool
 	$(top_srcdir)/parser/lemon $<
 
+# For more see: https://stackoverflow.com/q/49476206
+.PHONY: patch-libtool
+patch-libtool: libtool
+	$(AWK) '/case \$$p in/{print;print "\t    *.gcno)\n\t    ;;";next}1' $^ > $^.tmp && mv $^.tmp $^