import os ;

if ! [ os.environ BOOST_ROOT ] {
    exit "Error: Set BOOST_ROOT environment variable to Boost root directory" ;
}
local BOOST_ROOT = [ os.environ BOOST_ROOT ] ;

echo "Build Boost.Contract's source, tests, examples, documentation, etc." ;
echo "Using Boost libraries from (see $BOOST_ROOT): $(BOOST_ROOT)" ;
echo ;

echo """Usage:
    Build all (-a), quit on first error (-q), using MSVC, GCC, and CLANG:
    $ bjam -aq toolset=msvc,gcc,clang ...

    Clock how long the build takes:
    $ time bjam ...
""" ;

use-project boost : $(BOOST_ROOT) ;

project
    :   requirements
        <toolset>gcc:<cxxflags>-std=c++11
        <toolset>clang:<cxxflags>-std=c++11
        <include>"./include"
        <include>$(BOOST_ROOT)
        <library-path>$(BOOST_ROOT)/stage/lib
    ;