--- fslurp-0.7/makefile.orig
+++ fslurp-0.7/makefile
@@ -6,12 +6,14 @@
 
 INCLUDES	= fslurp.h fronius.h externs.h
 
-CFLAGS		= -Wall -lm
+CFLAGS		+= -Wall
+
+LIBS		= -lm 
 
 VERSION		:= fslurp-$(shell tail -1 version)
 
 fslurp:		$(SOURCE) $(INCLUDES)
-		gcc $(CFLAGS) -o fslurp $(SOURCE)
+		$(CC) $(CFLAGS) $(LDFLAGS) -o fslurp $(SOURCE) $(LIBS)
 
 test:		fslurp
 		./fslurp