Norman Feske wrote:
Hi Valery,
On 18.03.19 00:17, Valery V. Sedletski via users wrote:
Hi all.
Does Genode build system only allow to build a binary or library
with each "target.mk" makefile? Is it possible to have non-binary
targets in these makefiles, or have more than one target?
...
to target.mk. So, the map file should be a dependency of "all" target,
but this does not work, because "map" then is built before the binary
specified as
TARGET = <binary_name>
Does someone have any ideas, how it's possible to accomplish this?
I'm afraid that your use case is currently not very well covered.
So we should probably add a proper hook for it. In the meantime, could
you give the following idea a try?
So, the targets other than binaries/libraries are not possible
currently? This is what I suspected. Indeed, having a hook for extra
custom targets executed before or after the main target would be a good
idea.
-----
ifneq ($(INSTALL_DIR),)
all: map
endif
map: $(TARGET)
nm $< | sed "s/some/magic" > $@
-----
The check for 'INSTALL_DIR' is needed because the target.mk file is
actually visited twice during the build. First, it is examined to find
out the inter-library dependencies. This dependency stage is followed by
the actual build stage. The custom rule should be executed in the latter
stage only. As INSTALL_DIR is defined only at the build stage, we can
use it as a condition here.
The dependency from $(TARGET) ensures that your binary exists before
'nm' is called on it.
Cheers
Norman
This worked fine. So, "map" target is indeed executed before $(TARGET),
as required. Thank you very much for the excellent idea about checking
INSTALL_DIR, this is what helped. (I noticed that the "all" target is
called twice, and this hurted things up. Now it is called only once, as
it should).
WBR,
valery
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