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 "Using Boost libraries from:" $(BOOST_ROOT) ;

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
    ;

echo """
EXAMPLES
    Pre-process specified file to bin/.../<file-stem>-pp.ii using compiler:
    $ bjam [-aq] <file-stem>-pp [cxxflags=-UDEBUG] [toolset=msvc|gcc|clang]

    Pre-process specified file to bin/.../<file-stem>-wave.ii using WAVE:
    $ bjam [-aq] <file-stem>-wave
    (Edit wave.cfg for -UDEBUG, lib paths, etc.)

    Compile and run program <file-stem>.cpp:
    $ bjam [-aq] <file-stem> [toolset=msvc,gcc,clang]

    Compile and run all programs in current directory:
    $ bjam [-aq] [toolset=msvc,gcc,clang]
"""
    ;