--- a/Makefile	Thu Oct 24 08:20:15 2019 +0300
+++ b/Makefile	Tue Oct 29 18:16:47 2019 +0200
@@ -2,35 +2,52 @@
 # Generic build target
 #
 include config.mak
+MAKEOPTS=-j4
 
 export DMLIB
 export BINPATH
 
 linux-bin:
-	$(MAKE) -f $(DMLIB)Makefile EXEEXT=-linux.bin
+	$(MAKE) $(MAKEOPTS) -f $(DMLIB)Makefile EXEEXT=-linux.bin
 
 mingw-win32:
-	$(MAKE) -f $(DMLIB)Makefile.cross-mingw \
+	$(MAKE) $(MAKEOPTS) -f $(DMLIB)Makefile.cross-mingw \
 	OBJPATH=$(BPATH)/obj/win32/ \
 	MINGW_PREFIX=i686-w64-mingw32- \
 	MINGW_PATH=/usr/i686-w64-mingw32
 
 mingw-win64:
-	$(MAKE) -f $(DMLIB)Makefile.cross-mingw \
+	$(MAKE) $(MAKEOPTS) -f $(DMLIB)Makefile.cross-mingw \
 	OBJPATH=$(BPATH)/obj/win64/ \
 	MINGW_PREFIX=x86_64-w64-mingw32- \
 	MINGW_PATH=/usr/x86_64-w64-mingw32
 
-$(DATA): $(wildcard $(BPATH)/data/*)
-	cd $(BPATH)/data && $(DMLIB)/tools/packed -p $@ -c -x \*~ -v *
+$(DATA_PKG): $(wildcard $(BPATH)/data/*)
+	cd $(BPATH)/data && $(TOOL_BINPATH)packed create $@ -x \*~ -v *
 
 tools:
-	@if test ! -e $(DMLIB)config.mak; then cp $(DMLIB)config.mak.in $(DMLIB)config.mak; fi
-	@cd $(DMLIB) && make -j4
+	$(MAKE) $(MAKEOPTS) -f $(DMLIB)Makefile \
+	DM_CONFIG=no \
+	TOOL_BINPATH=$(TOOL_BINPATH) \
+	OBJPATH=$(DMLIB)/obj/unix/ \
+	DM_BUILD_TESTS=no \
+	DM_BUILD_TOOLS=yes \
+	DM_USE_TIMELINE=no \
+	DM_BUILD_EDITOR=no \
+	DM_USE_C=yes \
+	DM_USE_SIMD=yes \
+	DM_USE_PACKFS=yes \
+	DM_USE_STDIO=yes \
+	DM_USE_MEMIO=yes \
+	JSS=yes \
+	JSS_SUP_XM=yes \
+	JSS_SUP_JSSMOD=yes \
+	JSSMOD_FLAGS="-DJM_SUP_PATMODE_ALL -DJM_SUP_EXT_INSTR -DJM_SUP_INSTR -DJM_SUP_SAMPLES" \
+	JSS_SUP_THREADS=yes
 
-data: tools $(DATA)
+data: tools $(DATA_PKG)
 
-package: linux-bin mingw-win32 $(DATA)
+package: linux-bin mingw-win32 $(DATA_PKG)
 	strip $(BINPATH)/*.bin $(BINPATH)/*.exe
 	$(RM) $(PACKAGE)
 	cp SDL.dll LICENSE.txt README.txt file_id.diz $(BINPATH)
@@ -38,7 +55,7 @@
 
 
 clean:
-	-$(RM) $(DATA)
+	-$(RM) $(DATA_PKG)
 	-$(MAKE) -f $(DMLIB)Makefile clean EXEEXT=-linux.bin
 	-$(MAKE) -f $(DMLIB)Makefile.cross-mingw clean
 	
\ No newline at end of file

--- a/config.mak	Thu Oct 24 08:20:15 2019 +0300
+++ b/config.mak	Tue Oct 29 18:16:47 2019 +0200
@@ -1,6 +1,13 @@
-# Additional binaries (aka the demo)
+MAKEOPTS=-j4
+EXTRA_CFLAGS=-O3
+MAKE ?= make
+
+#DM_CFLAGS += -fopenmp
+#DM_LDFLAGS += -lgomp
 #DM_DEBUG=yes
 
+
+# Additional binaries (aka the demo)
 DEMO_BIN=krapula
 DEMO_OBJS=demo.o dmsimple.o
 
@@ -8,11 +15,8 @@
 DMLIB := $(BPATH)/dmlib/
 PACKAGE = $(BPATH)/ap-krapula.zip
 BINPATH = $(BPATH)/bin/
-DATA = $(BINPATH)/orvellys.dat
-MAKE ?= make
-
-TOOL_BINPATH=bin/
-TESTS_BINPATH=$(TOOL_BINPATH)
+DATA_PKG = $(BINPATH)/orvellys.dat
+TOOL_BINPATH = $(DMLIB)tools/
 
 # Build engine tests and tools? (Please notice that what
 # actually gets built it also affected by other options)

--- a/demo.c	Thu Oct 24 08:20:15 2019 +0300
+++ b/demo.c	Tue Oct 29 18:16:47 2019 +0200
@@ -15,16 +15,15 @@
 void dmMakePalette(SDL_Surface *scr)
 {
     SDL_Color pal[DM_COLORS];
-    int n;
 
-    for (n = 0; n < 256; n++)
+    for (int n = 0; n < DM_COLORS; n++)
     {
         pal[n].r = n;
         pal[n].g = n;
         pal[n].b = n;
     }
 
-    SDL_SetColors(scr, pal, 0, DM_COLORS);
+    SDL_SetPaletteColors(scr->format->palette, pal, 0, DM_COLORS);
 }
 
 
@@ -331,8 +330,6 @@
     engine->optVidWidth  = 640;
     engine->optVidHeight = 480;
     engine->optVidDepth  = 32;
-    engine->optVFlags    = SDL_SWSURFACE;
-
 
     engine->demoInit = demoInit;
     engine->demoRender = demoRender;