Subject: [Boost-build] How to build an external library using a makefile.
From: Alex Richardson (alexrichardson_at_[hidden])
Date: 2008-11-20 10:34:51
I am still very new to boost build, so this question is probably
rather trivial. I have a project using a boost.build Jamfile. My
project needs to use a 3rd party library. From the documentation I
found that I could use a standard lib target declaration, with a
lib mythirdpartylib : : <file>third-party-lib.a ;
This works fine as long as that library has already been built, but
this library is available in source form, with a gnu makefile. I would
really like to run that makefile to build the library when needed. I
looked at some of the documentation on custom make rules, and came up
with a naive solution along the lines of:
make third-party-lib.flag : : @makelib ;
( cd $(LIBPATH) && make )
lib mythirdpartylib : third-party-lib.flag : <file>third-party-lib.a ;
Unfortunately, the mythirdpartylib target fails because
'third-party-lib.a' does not exist. (It won't exist until after the
'makelib' action was run). It appears that the my
"third-party-lib.flag" target does not get built before it evaluates
the <file> statement.
Is there a good/standard way to use 'makefile' based libraries from a Jamfile?
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