diff --git a/polymer/eduke32/Makefile b/polymer/eduke32/Makefile
index 29d608d9f..f0b2bf3cf 100644
--- a/polymer/eduke32/Makefile
+++ b/polymer/eduke32/Makefile
@@ -292,7 +292,7 @@ ifeq (1,$(RELEASE))
   endif
 endif
 ifeq ($(PLATFORM),DARWIN)
-	cp -rf "Apple/bundles/EDuke32.app" "./"
+	cp -RPf "Apple/bundles/EDuke32.app" "./"
 	mkdir -p "EDuke32.app/Contents/MacOS"
 	cp -f "eduke32$(EXESUFFIX)" "EDuke32.app/Contents/MacOS/"
 endif
@@ -306,7 +306,7 @@ ifeq (1,$(RELEASE))
   endif
 endif
 ifeq ($(PLATFORM),DARWIN)
-	cp -rf "Apple/bundles/Mapster32.app" "./"
+	cp -RPf "Apple/bundles/Mapster32.app" "./"
 	mkdir -p "Mapster32.app/Contents/MacOS"
 	cp -f "mapster32$(EXESUFFIX)" "Mapster32.app/Contents/MacOS/"
 endif
diff --git a/polymer/eduke32/Makefile.common b/polymer/eduke32/Makefile.common
index 2017a6d5d..18054564a 100644
--- a/polymer/eduke32/Makefile.common
+++ b/polymer/eduke32/Makefile.common
@@ -147,18 +147,24 @@ else
     W_NO_UNUSED_RESULT :=
 endif
 
+W_STRICT_OVERFLOW := -Wstrict-overflow=1
+ifeq (3,$(GCC_MAJOR))
+    W_STRICT_OVERFLOW :=
+endif
+ifeq ($(PLATFORM),DARWIN)
+    ifeq (1,$(DARWIN9))
+        W_STRICT_OVERFLOW :=
+    endif
+endif
+
 BASECFLAGS=$(debug) -W -Wall -Wimplicit -Werror-implicit-function-declaration \
 	-funsigned-char -fno-strict-aliasing -DNO_GCC_BUILTINS -D_FORTIFY_SOURCE=2 \
 	$(F_JUMP_TABLES) $(W_NO_UNUSED_RESULT) $(ARCH) \
-	-Wextra	#-Wwrite-strings -Waddress -Wlogical-op
+	-Wextra $(W_STRICT_OVERFLOW) #-Wwrite-strings -Waddress -Wlogical-op
 ifeq ($(CC),clang)
     BASECFLAGS+= -Wno-unused-value -Wno-parentheses
 endif
 
-ifneq (3,$(GCC_MAJOR))
-	BASECFLAGS+= -Wstrict-overflow=1
-endif
-
 ifneq (0,$(USE_LIBPNG))
     BASECFLAGS+= -DUSE_LIBPNG
 endif
diff --git a/polymer/eduke32/build/Makefile.shared b/polymer/eduke32/build/Makefile.shared
index fec4d87a0..e3cb99be8 100644
--- a/polymer/eduke32/build/Makefile.shared
+++ b/polymer/eduke32/build/Makefile.shared
@@ -95,11 +95,22 @@ ifeq ($(PLATFORM),LINUX)
     endif
 endif
 ifeq ($(PLATFORM),DARWIN)
+    DARWINVERSION?=$(strip $(shell uname -r | cut -d . -f 1))
+    ifeq (1,$(strip $(shell expr $(DARWINVERSION) \< 10)))
+        DARWIN9 = 1
+    endif
+
     RENDERTYPE    = SDL
     STDCPPLIB    = -lstdc++
     BUILDCFLAGS    += -DHAVE_INTTYPES #-fno-leading-underscore
     GTKCOMPAT32    = 0
     SDL_FRAMEWORK    = 1
+
+    ifeq (1,$(DARWIN9))
+        BUILDCFLAGS += -DDARWIN9
+        F_JUMP_TABLES :=
+    endif
+
     ifeq (1,$(BUILD32_ON_64))
         BUILDCFLAGS += $(F_NO_STACK_PROTECTOR) -arch i386
     else
diff --git a/polymer/eduke32/osxbuild.sh b/polymer/eduke32/osxbuild.sh
index 4ef7ea4d3..25e62c01a 100755
--- a/polymer/eduke32/osxbuild.sh
+++ b/polymer/eduke32/osxbuild.sh
@@ -106,10 +106,10 @@ fi
 
 # Duplicating .app bundles for debug build:
 # if [ -d "Mapster32.app" ]; then
-    # cp "Mapster32.app" "Mapster32.debug.app"
+    # cp -RP "Mapster32.app" "Mapster32.debug.app"
 # fi
 # if [ -d "EDuke32.app" ]; then
-    # cp "EDuke32.app" "EDuke32.debug.app"
+    # cp -RP "EDuke32.app" "EDuke32.debug.app"
 # fi
 
 # Almost done...
diff --git a/polymer/eduke32/source/sdlmusic.c b/polymer/eduke32/source/sdlmusic.c
index 63b9c4af6..58c52f7d4 100644
--- a/polymer/eduke32/source/sdlmusic.c
+++ b/polymer/eduke32/source/sdlmusic.c
@@ -179,15 +179,15 @@ int32_t MUSIC_Init(int32_t SoundCard, int32_t Address)
 
         sz = (numargs+2)*sizeof(char *) + (c-command+1);
         sz = ((sz+pagesize-1)/pagesize)*pagesize;
-# ifdef NEDMALLOC
+#if defined(NEDMALLOC) || (defined(__APPLE__) && defined(DARWIN9))
         external_midi_argv = Bcalloc(1,sz+pagesize);
         if (!external_midi_argv)
             goto fallback;
         external_midi_argv = (char **)((intptr_t)external_midi_argv + (pagesize-(((intptr_t)external_midi_argv)&(pagesize-1))));
-# else
+#else
         if (posix_memalign((void **)&external_midi_argv, pagesize, sz))
             goto fallback;
-# endif
+#endif
         cmd = (char *)external_midi_argv + (numargs+2)*sizeof(char *);
         Bmemcpy(cmd, command, c-command+1);