Re: 'How makefiles are remade'

[Jim]

Noel Yap wrote:

Jim wrote:

Noel Yap wrote:

This makefile works:

.PHONY: all

all: ;

include ticks

ticks:
    @touch $(@)

How do you know?  Sure the rule is done, it doesn't mean that ticks is 
reloaded....


Since we have this sort of thing in our makefiles, I'm pretty sure it 
gets reloaded.  The above can easily be modified to show this.
okay so I extended it some... and this fails.

.PHONY:all
all: junk;
        @echo $(TICKS)
include ticks2
ticks2:
        @echo TICKS=a number >> ticks2
include make2
make2:
        @echo junk: >>make2
        @echo   echo $(TICKS) >>make2
if ticks2 were really reloaded then make2 would not have a blank value 
for $(TICKS)

Noel



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