aaaaand I'm done, assuming you have both toolchains setup these scripts and recipes should allow anyone to build winx64 cores with a single command (well one command per recipe)

D
all that's left to do is to build cores for win32 with different toolchains and check which toolchains work better for each core and create recipe files. Most stuff from the win64 seh recipe should work (notable exception is mednafen
C
Aa
D

libretro-buildbot-recipe.sh

@@ -406,6 +406,13 @@ while read line; do
        	        else
 		    BUILD="YES"
                 fi
+                if [ "${PREVCORE}" == "BSNES" -a "${PREVBUILD}" == "YES" -a "${COMMAND}" == "BSNES" ]; then
+                    FORCE="YES"
+                    BUILD="YES"
+                else
+                    FORCE="NO"
+                fi
+
 
                 cd ..
 
@@ -464,6 +471,8 @@ while read line; do
     fi
     
     cd "${BASE_DIR}"
+    PREVCORE=$COMMAND
+    PREVBUILD=$BUILD
     
 
 done  < $1