Given the makefile:
.PHONY: all all: /tmp/yapn/install/GNUaoeu.mk
/tmp/yapn/install/%.mk: /tmp/yapn/build/%.mk | /tmp/yapn/install/.
cp $(<) $(@)/tmp/yapn/build/%.mk: /tmp/yapn/src/%.mk | /tmp/yapn/build/.
cp $(<) $(@).PRECIOUS: %/.
%/.:
mkdir -p $(@)Chaining doesn't work:
$ gmake -npqr | grep '\.mk:' gmake: *** No rule to make target `/tmp/yapn/install/GNUaoeu.mk', needed by `all'. Stop. /tmp/yapn/build/%.mk: /tmp/yapn/src/%.mk /tmp/yapn/build/. /tmp/yapn/install/GNUaoeu.mk: $ gmake gmake: *** No rule to make target `/tmp/yapn/install/GNUaoeu.mk', needed by `all'. Stop.
It looks like the install pattern rule isn't even in the database. Can someone confirm this, please?
Thanks, Noel
Noel Yap wrote:
Sorry, the subject should've read "pattern rules", not "implicit rules".
Noel
Noel Yap wrote:
Interesting, it looks like this has something to do with chaining:
.PHONY: all all: /tmp/yapn/install/GNUaoeu.mk
/tmp/yapn/install/%.mk: /tmp/yapn/src/%.mk | /tmp/yapn/install/. cp $(<) $(@)
.PRECIOUS: %/. %/.: mkdir -p $(@)
Here's the output:
$ gmake -npqr | grep GNUaoeu.mk
all: /tmp/yapn/install/GNUaoeu.mk
/tmp/yapn/install/GNUaoeu.mk: /tmp/yapn/src/GNUaoeu.mk | /tmp/yapn/install/.
/tmp/yapn/src/GNUaoeu.mk:
$ gmake
mkdir -p /tmp/yapn/install/.
cp /tmp/yapn/src/GNUaoeu.mk /tmp/yapn/install/GNUaoeu.mk
I rechecked the docs and couldn't find anything that describes this, along with the below, behaviour. Can someone confirm or deny that this is a bug, please?
Thanks, Noel
Noel Yap wrote:
The following makefile works perfectly:
.PHONY: all all: ../install/GNUaoeu.mk
../install/%.mk: ../build/%.mk | ../install/. cp $(<) $(@)
../build/%.mk: ../src/%.mk | ../build/. cp $(<) $(@)
.PRECIOUS: %/. %/.: mkdir -p $(@)
It's output is:
$ gmake -npqr | grep GNUaoeu.mk all: ../install/GNUaoeu.mk ../install/GNUaoeu.mk: ../build/GNUaoeu.mk | ../install/. ../build/GNUaoeu.mk: ../src/GNUaoeu.mk | ../build/. ../src/GNUaoeu.mk: $ gmake mkdir -p ../build/. cp ../src/GNUaoeu.mk ../build/GNUaoeu.mk mkdir -p ../install/. cp ../build/GNUaoeu.mk ../install/GNUaoeu.mk rm ../build/GNUaoeu.mk
But if I start using absolute paths, things stop working:
.PHONY: all all: /tmp/yapn/install/GNUaoeu.mk
/tmp/yapn/install/%.mk: /tmp/yapn/build/%.mk | /tmp/yapn/install/. cp $(<) $(@)
/tmp/yapn/build/%.mk: /tmp/yapn/src/%.mk | /tmp/yapn/build/. cp $(<) $(@)
.PRECIOUS: %/. %/.: mkdir -p $(@)
$ gmake -npqr | grep GNUaoeu.mk
gmake: *** No rule to make target `/tmp/yapn/install/GNUaoeu.mk', needed by `all'. Stop.
all: /tmp/yapn/install/GNUaoeu.mk
/tmp/yapn/install/GNUaoeu.mk:
$ gmake
gmake: *** No rule to make target `/tmp/yapn/install/GNUaoeu.mk', needed by `all'. Stop.
IIRC, there's special treatment for targets that start with '/'. Can someone point me to where in the docs it talks about this, please?
Thanks, Noel
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