From 1c6f5ca4d43b3c87c8792daa1602b7d33ea77bb5 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Sat, 20 Mar 2021 03:04:55 +0900
Subject: [PATCH] configure.ac: enable FORCE_FILESYSTEM for Emscripten

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index f894008212..a3641cb101 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1178,6 +1178,7 @@ main()
 [emscripten*], [LIBS="-lm -lc $LIBS"
 		RUBY_APPEND_OPTIONS(LDFLAGS, "-sALLOW_MEMORY_GROWTH=1")
 		RUBY_APPEND_OPTIONS(LDFLAGS, "-sASYNCIFY")
+		RUBY_APPEND_OPTIONS(LDFLAGS, "-sFORCE_FILESYSTEM=1")
 		],
 [	LIBS="-lm $LIBS"])
 : ${ORIG_LIBS=$LIBS}