Fix warnings

source/m3.h

@@ -138,7 +138,7 @@ d_m3ErrorConst  (tooManyMemorySections,         "Wasm MVP can only define one me
 // link errors
 d_m3ErrorConst  (moduleAlreadyLinked,           "attempting to bind module to multiple runtimes")
 d_m3ErrorConst  (functionLookupFailed,          "function lookup failed")
-d_m3ErrorConst  (functionImportMissing,         "missing imported function");
+d_m3ErrorConst  (functionImportMissing,         "missing imported function")
 
 // compilation errors
 d_m3ErrorConst  (noCompiler,                    "no compiler found for opcode")

source/m3_api_libc.h

@@ -10,14 +10,14 @@
 
 #include "m3_core.h"
 
-# if __cplusplus
+# if defined(__cplusplus)
 extern "C" {
 # endif
 
     M3Result    m3_LinkLibC     (IM3Module io_module);
     M3Result    m3_LinkSpecTest (IM3Module io_module);
 
-# if __cplusplus
+# if defined(__cplusplus)
 }
 # endif
 

source/m3_api_wasi.h

@@ -10,13 +10,13 @@
 
 #include "m3_core.h"
 
-# if __cplusplus
+# if defined(__cplusplus)
 extern "C" {
 # endif
 
     M3Result    m3_LinkWASI     (IM3Module io_module);
 
-# if __cplusplus
+#if defined(__cplusplus)
 }
 # endif
 

source/m3_config.h

@@ -54,6 +54,10 @@
 #   define d_m3FixedHeapAlign                   16
 # endif
 
+# ifndef d_m3EnableOptimizations
+#   define d_m3EnableOptimizations              0
+# endif
+
 // logging ---------------------------------------------------------------------------
 
 # define d_m3EnableOpProfiling      0

source/m3_info.c

@@ -402,8 +402,6 @@ void  log_opcode  (IM3Compilation o, u8 i_opcode)
         o->block.depth++;
 }
 
-u16  GetMaxExecSlot  (IM3Compilation o);
-
 
 void emit_stack_dump (IM3Compilation o)
 {
@@ -423,7 +421,7 @@ void emit_stack_dump (IM3Compilation o)
 
 void  log_emit  (IM3Compilation o, IM3Operation i_operation)
 {
-# if DEBUG
+# ifdef DEBUG
     OpInfo i = find_operation_info (i_operation);
     
     if (i.info)