cmake : add WebAssembly check (#487)

Ensured that CPU-specific flags are not set when targeting WebAssembly using Emscripten in the CMake script.

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4296b4ca5a3f5f03351607e75a9ad50f242a5d6c..3292bc85897a93d6f62d3d2320a56f9a10cea3a8 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -51,7 +51,9 @@ if (UNAME_S MATCHES "Darwin")
     endif()
 endif()
 
-if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Emscripten")
+    message(STATUS "Emscripten detected")
+elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
     message(STATUS "ARM detected")
     #set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=apple-m1")
 elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc64le" OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc64")