Import('*')

if env['platform'] not in ['windows', 'linux']:
    Return()

# Shared environment settings
env = env.Clone()

env.PrependUnique(CPPPATH = [
    '#/include',
])

if env['platform'] == 'windows':
    env.PrependUnique(LIBS = [
        'glu32', 
        'opengl32', 
        'gdi32', 
        'user32', 
    ])
else:
    env.PrependUnique(LIBS = [
        'GLU',
        'GL',
        'X11',
    ])

# Library specific environment settings
lib_env = env.Clone()

lib_env.Append(CPPDEFINES = [
    'GLEW_BUILD',
    #'GLEW_STATIC',
    #'GLEW_MX', # Multiple Rendering Contexts support
])

if lib_env['platform'] == 'windows':
    target = 'glew'
else:
    target = 'GLEW'

glew = lib_env.SharedLibrary(
    target = target,
    source = [
        'glew.c',
    ],
)

if lib_env['platform'] == 'windows':
    glew = lib_env.FindIxes(glew, 'LIBPREFIX', 'LIBSUFFIX')

# Program specific environment settings
prog_env = env.Clone()

prog_env.Prepend(LIBS = [glew])

prog_env.Program(
    target = 'glewinfo',
    source = ['glewinfo.c'],
)

prog_env.Program(
    target = 'visualinfo',
    source = ['visualinfo.c'],
)

Export('glew')