Update

CMakeLists.txt

@@ -1,23 +1,30 @@
 cmake_minimum_required(VERSION 3.20)
 set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
-
-set(EMSCRIPTEN_ROOT $ENV{EMSDK})
-if(NOT EMSCRIPTEN_ROOT)
-  set(EMSCRIPTEN_ROOT /usr/lib/emscripten)
-endif()
-
-set(EMSCRIPTEN_ROOT
-    "${EMSCRIPTEN_ROOT}"
-    CACHE PATH "Emscripten SDK path")
-
-set(CMAKE_TOOLCHAIN_FILE
-    "${EMSCRIPTEN_ROOT}/cmake/Modules/Platform/Emscripten.cmake"
-    CACHE FILEPATH "Emscripten toolchain file")
+set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
 
 project(ecgsyn.js)
 
+option(BUILD_WITH_EMSCRIPTEN "Build with Emscripten" ON)
 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
 
+if(BUILD_WITH_EMSCRIPTEN)
+
+  set(EMSCRIPTEN_ROOT $ENV{EMSDK})
+  if(NOT EMSCRIPTEN_ROOT)
+    set(EMSCRIPTEN_ROOT /usr/lib/emscripten)
+  endif()
+
+  set(EMSCRIPTEN_ROOT
+      "${EMSCRIPTEN_ROOT}"
+      CACHE PATH "Emscripten SDK path")
+
+  set(CMAKE_TOOLCHAIN_FILE
+      "${EMSCRIPTEN_ROOT}/cmake/Modules/Platform/Emscripten.cmake"
+      CACHE FILEPATH "Emscripten toolchain file")
+
+  set(BUILD_SHARED_LIBS OFF FORCE)
+endif(BUILD_WITH_EMSCRIPTEN)
+
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_CXX_STANDARD 20)
 
@@ -25,24 +32,40 @@ set(PFFFT_USE_TYPE_FLOAT
     OFF
     CACHE BOOL "activate pffft float" FORCE)
 
-include_directories(BEFORE SYSTEM compat)
-add_compile_options(-flto -msimd128 -mavx)
-add_link_options(-flto)
+include(CheckIPOSupported)
+check_ipo_supported(RESULT ipo_supported)
+if(ipo_supported)
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE ON)
+endif()
+
+if(BUILD_WITH_EMSCRIPTEN)
+  include_directories(BEFORE SYSTEM compat)
+
+  add_compile_options(-msimd128 -msse -mavx -fwasm-exceptions)
+  set(ecgsyn_link_options # -flto
+      -fwasm-exceptions
+      -sEXPORTED_FUNCTIONS=_rr_gen_new,_rr_gen_new_series,_destroy_obj,_ecgsyn,_realloc,_free
+      --no-entry
+      -sSTRICT
+      -sNO_ASSERTIONS
+      -sNO_FILESYSTEM
+      -sMALLOC=emmalloc)
+
+else()
+  set(TARGET_C_ARCH haswell)
+  set(TARGET_CXX_ARCH haswell)
+
+  set(ecgsyn_defs ECGSYN_HOST_BUILD)
+endif()
 
 add_subdirectory(mini-odeint EXCLUDE_FROM_ALL)
 add_subdirectory(pffft EXCLUDE_FROM_ALL)
 
 add_executable(ecgsyn ecgsyn.cpp)
-target_compile_options(ecgsyn PRIVATE)
-target_link_options(
-  ecgsyn
-  PRIVATE
-  -flto
-  -sEXPORTED_FUNCTIONS=_ecgsyn
-  --no-entry
-  -sSTRICT
-  -sNO_ASSERTIONS
-  -sNO_FILESYSTEM
-  -sMALLOC=emmalloc)
-target_link_libraries(ecgsyn PRIVATE PFFFT)
-set_target_properties(ecgsyn PROPERTIES SUFFIX ".wasm")
+target_compile_definitions(ecgsyn PRIVATE PFFFT_ENABLE_DOUBLE ${ecgsyn_defs})
+target_link_options(ecgsyn PRIVATE ${ecgsyn_link_options})
+target_link_libraries(ecgsyn PRIVATE PFFFT mini-odeint)
+
+if(BUILD_WITH_EMSCRIPTEN)
+  set_target_properties(ecgsyn PROPERTIES SUFFIX ".wasm")
+endif(BUILD_WITH_EMSCRIPTEN)