linux fixes

.vscode/settings.json

@@ -4,7 +4,7 @@
   "cmake.configureOnOpen": true,
   "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
 
-  "cmake.cmakePath": "C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\Common7\\IDE\\CommonExtensions\\Microsoft\\CMake\\CMake\\bin\\cmake.exe",
+  //"cmake.cmakePath": "C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\Common7\\IDE\\CommonExtensions\\Microsoft\\CMake\\CMake\\bin\\cmake.exe",
   "cmake.configureSettings": {
     "BUILD_SIMULATOR": "ON"
   }

core/CMakeLists.txt

@@ -64,7 +64,7 @@ else()
     if(WIN32)
         set(FREERTOS_PORT "MSVC_MINGW" CACHE STRING "")
     else()
-        set(FREERTOS_PORT "GCC/POSIX" CACHE STRING "")
+        set(FREERTOS_PORT "GCC_POSIX" CACHE STRING "")
     endif()
     # Select FreeRTOS heap implementation (provides pvPortMalloc/vPortFree)
     set(FREERTOS_HEAP 4 CACHE STRING "FreeRTOS Heap Implementation")
@@ -102,6 +102,18 @@ else()
     
     FetchContent_MakeAvailable(FreeRTOS_Kernel wamr_runtime)
 
+    # --------------------------------------------------------------------------
+    # Force -fPIC for FreeRTOS targets (required for linking into .so)
+    # --------------------------------------------------------------------------
+    if(NOT WIN32)
+        if(TARGET freertos_kernel)
+            set_target_properties(freertos_kernel PROPERTIES POSITION_INDEPENDENT_CODE ON)
+        endif()
+        if(TARGET freertos_kernel_port)
+            set_target_properties(freertos_kernel_port PROPERTIES POSITION_INDEPENDENT_CODE ON)
+        endif()
+    endif()
+
     # --------------------------------------------------------------------------
     # Nova64 Core Target
     # --------------------------------------------------------------------------

core/include/nova64_framebuffer.h

@@ -28,7 +28,7 @@ typedef struct {
 } nova64_framebuffer_t;
 
 // Global instance access
-NOVA64_API nova64_framebuffer_t nova64_framebuffer;
+NOVA64_API extern nova64_framebuffer_t nova64_framebuffer;
 
 // Function prototypes
 bool nova64_framebuffer_init(void);