From a9f5c6fbcca36eb7cc3a886714bc6477184eb8fa Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sun, 29 Jan 2023 09:08:41 +0100
Subject: Minimize WASM size from ~1400000 to ~200000 bytes by explicit
 function export

---
 webassembly/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'webassembly')

diff --git a/webassembly/Makefile b/webassembly/Makefile
index df81e19..49a5ed3 100644
--- a/webassembly/Makefile
+++ b/webassembly/Makefile
@@ -6,7 +6,9 @@ OBJS=diff.o
 CXX=em++
 
 CXXFLAGS=-I./include -O2 -std=c++20
-LDFLAGS=-s WASM=1 -s LINKABLE=1 -s EXPORT_ALL=1
+LDFLAGS=-s WASM=1 -s EXPORTED_FUNCTIONS=_diff_create,_diff_apply,_free
+# Note: Instead of the above explicit EXPORTED_FUNCTIONS, the following causes ~7x wasm file size:
+#-s LINKABLE=1 -s EXPORT_ALL=1
 
 default: $(TARGET)
 
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