diff --git a/Makefile b/Makefile
index 1153e0c..9c70190 100644
--- a/Makefile
+++ b/Makefile
@@ -3,8 +3,8 @@ OBJS = reciter.o sam.o render.o main.o debug.o processframes.o createtransitions
 CC = gcc
 
 # libsdl present
-CFLAGS =  -Wall -O2 -DUSESDL `sdl-config --cflags`
-LFLAGS = `sdl-config --libs`
+CFLAGS =  -Wall -O2 -DUSESDL -I../../SDL2/SDL-main-serenity/include -D_REENTRANT
+LFLAGS = -L../../SDL2 -lSDL2
 
 # no libsdl present
 #CFLAGS =  -Wall -O2
diff --git a/src/main.c b/src/main.c
index 3e8fdde..3432fe8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,7 +14,7 @@
 
 
 // Approximations of some Windows functions to ease portability
-#if defined __GNU_LIBRARY__ || defined __GLIBC__
+#if defined __GNU_LIBRARY__ || defined __GLIBC__ || defined __serenity__
 static int min(int l, int r) { return l < r ? l : r; }
 static void strcat_s(char * dest, int size, char * str) {
     unsigned int dlen = strlen(dest);