diff -urNp -x '*.orig' frozen-bubble-2.2.0.org/Makefile frozen-bubble-2.2.0/Makefile
--- frozen-bubble-2.2.0.org/Makefile	2008-11-08 15:47:24.000000000 +0100
+++ frozen-bubble-2.2.0/Makefile	2021-05-07 23:01:33.552106730 +0200
@@ -15,7 +15,6 @@ prepare:
 
 dirs:
 	@if ! perl -e 'use SDL'; then echo -e "\n    *** I need perl-SDL installed"; false; fi
-	@if ! perl -e 'use SDL; ($$mj, $$mn, $$mc) = split /\./, $$SDL::VERSION; exit 0 if $$mj > 1 || $$mn >= 19; exit 1'; then echo -e "\n    *** I need perl-SDL version 1.19.0 or upper"; false; fi
 	@for n in . $(DIRS); do \
 		[ "$$n" = "." ] || $(MAKE) -C $$n || exit $$? ;\
 	done
diff -urNp -x '*.orig' frozen-bubble-2.2.0.org/c_stuff/Makefile.PL frozen-bubble-2.2.0/c_stuff/Makefile.PL
--- frozen-bubble-2.2.0.org/c_stuff/Makefile.PL	2008-07-02 23:07:14.000000000 +0200
+++ frozen-bubble-2.2.0/c_stuff/Makefile.PL	2021-05-07 23:01:33.552106730 +0200
@@ -77,6 +77,6 @@ WriteMakefile(
     'VERSION_FROM' => 'fb_c_stuff.pm', # finds VERSION
     'OBJECT'       => 'fb_c_stuff.o',
     'INC'          => chomp_(`sdl-config --cflags`) . ' ' . chomp_(`pkg-config SDL_Pango --cflags`) . ' -I.',
-    'OPTIMIZE'     => '-O2 -Wall',
     'MAKEFILE'     => 'Makefile_c',
+    'FIRST_MAKEFILE' => 'Makefile_c',
 );
diff -urNp -x '*.orig' frozen-bubble-2.2.0.org/server/Makefile frozen-bubble-2.2.0/server/Makefile
--- frozen-bubble-2.2.0.org/server/Makefile	2008-07-02 23:07:28.000000000 +0200
+++ frozen-bubble-2.2.0/server/Makefile	2021-05-07 23:01:33.552106730 +0200
@@ -1,6 +1,6 @@
 include ../settings.mk
 
-CFLAGS ?= -g -Wall -Werror -pipe
+CFLAGS ?= -Wall -Werror -pipe
 CPPFLAGS += -I. `pkg-config glib-2.0 --cflags` -DVERSION=\"$(shell cat ../VERSION)\"
 LDLIBS = `pkg-config glib-2.0 --libs`
 
@@ -8,9 +8,9 @@ ALLSRC = fb-server.c log.c tools.c game.
 ALLOBJ = $(subst .c,.o,$(ALLSRC))
 
 ifeq (1, $(DEBUG))
-CFLAGS := $(CFLAGS) $(ADDCFLAGS) -DDEBUG -g
+CFLAGS := $(CFLAGS) $(OPTIMIZE) -DDEBUG -g
 else
-CFLAGS := $(CFLAGS) $(ADDCFLAGS)
+CFLAGS := $(CFLAGS) $(OPTIMIZE)
 endif
 
 all: .depend fb-server