Try building remglk-rs with codegen-units = 1

Author: curiousdannii

.gitignore

@@ -1,3 +1,4 @@
 build
 node_modules
+target
 tests/regtest.py

CMakeLists.txt

@@ -11,9 +11,9 @@ if(NOT CMAKE_BUILD_TYPE)
 endif()
 if (${CMAKE_BUILD_TYPE} STREQUAL Release)
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-    set(REMGLK_RS_LIB_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/remglk/target/wasm32-unknown-emscripten/release)
+    set(REMGLK_RS_LIB_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/target/wasm32-unknown-emscripten/release)
 else()
-    set(REMGLK_RS_LIB_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/remglk/target/wasm32-unknown-emscripten/debug)
+    set(REMGLK_RS_LIB_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/target/wasm32-unknown-emscripten/debug)
 endif()
 
 add_executable(glulxe)

Cargo.toml

@@ -0,0 +1,10 @@
+[workspace]
+members = [
+    "remglk/remglk",
+    "remglk/remglk_capi",
+]
+resolver = "2"
+
+[profile.release]
+codegen-units = 1
+lto = true

build.sh

@@ -36,7 +36,6 @@ docker run --rm -t \
     emglken:$DOCKER_TAG \
     /bin/bash -c -e " \\
         RUSTFLAGS=-Csymbol-mangling-version=v0 cargo build \\
-            --manifest-path=remglk/Cargo.toml \\
             $RUST_TARGET \\
             --target=wasm32-unknown-emscripten; \\
         emcmake cmake -DCMAKE_BUILD_TYPE=$CMAKE_TYPE -S . -B build; \\