1all: 2 @echo trying to use GNU make... 3 @gmake all || echo please install GNUmake 4 532: 6 @echo trying to use GNU make... 7 @gmake 32 || echo please install GNUmake 8 9clean: 10 @gmake clean 11 12format: 13 @gmake format 14 15hook: 16 @gmake hook 17