From dfab34e4bf508fc517d4d645ebb3b6b1179a5003 Mon Sep 17 00:00:00 2001
From: Anders Leino <aleino@nvidia.com>
Date: Fri, 11 Oct 2024 13:13:04 +0300
Subject: Add slang-wasm target (#5237)

Support for exceptions is enabled, since Slang uses them for diagnostics.
The size optimization arguments ('-Os') resolves some internal emscripten error during the
slang-wasm.wasm linking step, which happens when enabling exceptions.
("parse exception: too many locals")
---
 CMakePresets.json | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'CMakePresets.json')

diff --git a/CMakePresets.json b/CMakePresets.json
index 7b847e03e..47a733ee2 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -22,7 +22,9 @@
       "binaryDir": "${sourceDir}/build.em",
       "cacheVariables": {
         "SLANG_SLANG_LLVM_FLAVOR": "DISABLE",
-        "CMAKE_EXE_LINKER_FLAGS": "-sASSERTIONS -sALLOW_MEMORY_GROWTH"
+        "CMAKE_C_FLAGS_INIT": "-fwasm-exceptions -Os",
+        "CMAKE_CXX_FLAGS_INIT": "-fwasm-exceptions -Os",
+        "CMAKE_EXE_LINKER_FLAGS": "-sASSERTIONS -sALLOW_MEMORY_GROWTH -fwasm-exceptions --export=__cpp_exception"
       }
     },
     {
@@ -89,7 +91,7 @@
       "configurePreset": "emscripten",
       "configuration": "Release",
       "targets": [
-        "slang"
+        "slang-wasm"
       ]
     },
     {
-- 
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