Cleanup Makefile

example/Makefile

@@ -1,6 +1,7 @@
 CC=gcc -std=c99
 CFLAGS=-Wall -W -pedantic -Wshadow -Wpointer-arith -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wswitch-default -Wswitch-enum -Wcast-align -Wpointer-arith -Wbad-function-cast -Wstrict-overflow=5 -Wstrict-prototypes -Winline -Wundef -Wnested-externs -Wcast-qual -Wshadow -Wunreachable-code -Wlogical-op -Wstrict-aliasing=2 -Wredundant-decls -Wold-style-definition -Wno-unused-function
 CPPFLAGS=-I..
+LDFLAGS=-pthread -lgmp
 RM=rm -f
 EXE=./a.exe
 EXAMPLES=ex01b.c ex01.c ex02.c ex03.c ex04.c ex05.c ex06.c ex07.c ex08.c ex09.c
@@ -11,7 +12,7 @@ all:
 check: examples
 
 examples:
-	for f in $(EXAMPLES) ; do $(CC) $(CFLAGS) $(CPPFLAGS) -g $$f -o $(EXE) -pthread -lgmp ; done
+	for f in $(EXAMPLES) ; do $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -g $$f -o $(EXE)  ; done
 
 clean:
 	$(RM) $(EXE) *.s *~ *.o ./a.dat