Hello all,
I am building a small distro for an embedded platform and I am using
RPM. So far, I have ended up in a big collection of source RPMs, and
build the distribution using 'rpmbuild --rebuild' and a couple --define
flags to specify toolchain, kernel headers location, etc.
All these source RPM packages are installed in a directory and I have
created a makefile to build the entire distribution. This is handy
because I can build the entire distribution with a single "make"
command. Also, I can put a new version of a source RPM and a "make" will
build only this single source RPM.
This makefile however is a tricky business. The best solution I have
come to is some GNU make macros to convert the
'foo-version-release.src.rpm' to foo-version-release.$ARCH.rpm. This
works for all simple RPMS which produce a single binary RPM, with a
single rule:
%.$(ARCH).rpm: %.src.rpm
rpmbuild $(RPM_BUILD_FLAGS) $<
The problem arises with source RPMs that produce subpackages. For these
I have to include a specific make target because it is obviously not
possible to infer the binary packages that will come out of the source rpm.
To cut a long story sort, is it possible to invoke the RPM command to do
a 'dry-run' of the building process, in order to get *just* the names of
the binary packages that will be produced? I have tried the --nobuild
flag but it obviously fails when it checks the %files section because no
files have been produced.
What I really want is to produce a 'make dep' behavior, in which all
source RPMs will be opened and using a script (which does not build the
universe!) the source RPM names will be related to the binary RPMs. Thus
I can later do a 'make all' to do the actual building.
--
amanous
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