Emscripten build works and produces a static library

3MFConsortium · Oct 20, 2024 · f8e2ea2 · f8e2ea2
1 parent cc589ce
commit f8e2ea2
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Showing 2 changed files with 21 additions and 4 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -6,6 +6,13 @@ cmake_policy(SET CMP0048 NEW)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+    set(CMAKE_CXX_COMPILER_WORKS TRUE)
+    set(CMAKE_C_COMPILER_WORKS TRUE)
+    set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+    set(VCPKG_TARGET_TRIPLET wasm32-emscripten)
+endif()
+
 # Automatically set the vcpkg toolchain file if vcpkg exists as a submodule
 if (EXISTS "${CMAKE_SOURCE_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake")
     message("Using VCPKG Toolchain")
@@ -116,10 +123,17 @@ endif()
 
 #########################################################
 # Shared library
-add_library(${PROJECT_NAME} SHARED ${SRCS_COMMON} ${HDRS_COMMON}
-  ${ACT_GENERATED_SOURCE}
-  ${VERSION_FILES_OUTPUTLOCATION}
-)
+if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+    add_library(${PROJECT_NAME} STATIC ${SRCS_COMMON} ${HDRS_COMMON}
+      ${ACT_GENERATED_SOURCE}
+      ${VERSION_FILES_OUTPUTLOCATION}
+    )
+else()
+    add_library(${PROJECT_NAME} SHARED ${SRCS_COMMON} ${HDRS_COMMON}
+            ${ACT_GENERATED_SOURCE}
+            ${VERSION_FILES_OUTPUTLOCATION}
+    )
+endif ()
 SOURCE_GROUP("Source Files\\Autogenerated" FILES ${ACT_GENERATED_SOURCE})
 
 

diff --git a/emscripten_build_notes.txt b/emscripten_build_notes.txt
@@ -0,0 +1,3 @@
+# Building a static library using emscripten compiler
+
+cmake .. -DCMAKE_SYSTEM_NAME=Emscripten
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# Building a static library using emscripten compiler

		cmake .. -DCMAKE_SYSTEM_NAME=Emscripten