# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1527999493 -32400
# Node ID 74f89b7a4268d25946431642b2aa72483350d21a
# Parent  a1c0873a9990bbf93e397c602d737f2ae32d9315
fuzz: compile xdiff.cc with -std=c++17

Otherwise the build would fail as follows:

  In file included from xdiff.cc:13:
  ./fuzzutil.h:23:10: fatal error: 'third_party/absl/types/optional.h' file not
  found
  #include "third_party/absl/types/optional.h"

diff -r a1c0873a9990 -r 74f89b7a4268 contrib/fuzz/Makefile
--- a/contrib/fuzz/Makefile	Sun Jun 03 13:12:32 2018 +0900
+++ b/contrib/fuzz/Makefile	Sun Jun 03 13:18:13 2018 +0900
@@ -34,6 +34,7 @@
 	  -o $@ \
 	  $<
 
+xdiff: CXXFLAGS += -std=c++17
 xdiff: xdiff.cc xdiffi.o xprepare.o xutils.o fuzzutil.o
 	$(CXX) $(CXXFLAGS) -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
 	  -I../../mercurial xdiff.cc \