Add a make rule to rebuild for ASAN
diff --git a/Makefile.am b/Makefile.am
index cbee997..9f988b0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -216,6 +216,10 @@
@echo '## Go get a cup of coffee it is gonna take a while ...'
$(MAKE) CHECKER='valgrind -q' runtests
+asan:
+ @echo '## rebuilding for ASAN'
+ ./configure CFLAGS="-fsanitize=address,undefined -Wformat -Werror=format-security -Werror=array-bounds -g" CXXFLAGS="-fsanitize=address,undefined -Wformat -Werror=format-security -Werror=array-bounds -g" LDFLAGS="-fsanitize=address,undefined" CC="clang" CXX="clang++" --disable-shared ; OptimOff ; $(MAKE) clean ; $(MAKE)
+
testall : tests SVGtests SAXtests
tests: XMLtests XMLenttests NStests IDtests Errtests APItests $(READER_TEST) $(TEST_SAX) $(TEST_PUSH) $(TEST_HTML) $(TEST_PHTML) $(TEST_VALID) URItests $(TEST_PATTERN) $(TEST_XPATH) $(TEST_XPTR) $(TEST_XINCLUDE) $(TEST_C14N) $(TEST_DEBUG) $(TEST_CATALOG) $(TEST_REGEXPS) $(TEST_SCHEMAS) $(TEST_SCHEMATRON) $(TEST_THREADS) Timingtests $(TEST_VTIME) $(PYTHON_TESTS) $(TEST_MODULES)
