Re: [boost] Proposal for moving Boost to CMake

Subject: Re: [boost] Proposal for moving Boost to CMake
From: P F (pfultz2_at_[hidden])
Date: 2017-06-17 13:42:53

> On Jun 17, 2017, at 6:08 AM, Peter Dimov via Boost <boost_at_[hidden]> wrote:
> 
> P F wrote:
> 
>> bcm_setup_version(VERSION ${BOOST_VERSION})
> 
> When I see this my first thought is always "where do the bcm_ macros come from”?
> 
> Ideally, we should strive for libraries to work standalone. 

Sorry, I skipped over that part. The bcm_ macros are another boost library that would be installed and found with `find_package`.  I was just trying to transform the code I linked to, but ideally, it would written like this:

find_package(BCM)
find_package(boost_config) # Use main boost version version

bcm_setup_version(VERSION ${BOOST_CONFIG_VERSION})

add_library(boost_fusion INTERFACE)
add_library(boost::fusion ALIAS boost_fusion)
set_property(TARGET boost_fusion PROPERTY EXPORT_NAME fusion)

bcm_boost_depends(boost_fusion INTERFACE
    boost_config
    boost_core
    boost_function_types
    boost_functional
    boost_mpl
    boost_preprocessor
    boost_static_assert
    boost_tuple
    boost_type_traits
    boost_typeof
    boost_utility
)

bcm_install_targets(TARGETS boost_fusion INCLUDE include)
bcm_auto_export(TARGETS boost_fusion)

> 
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