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#######################################################################
# SConscript for glapi


Import('*')

if env['platform'] != 'winddk':

    env = env.Clone()
    
    env.Append(CPPDEFINES = [
        'MAPI_MODE_UTIL',
    ])

    if env['platform'] == 'windows':
        env.Append(CPPDEFINES = [
            '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
            'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers
        ])
        if env['gles']:
            env.Append(CPPDEFINES = ['_GLAPI_DLL_EXPORTS'])
        else:
            # prevent _glapi_* from being declared __declspec(dllimport)
            env.Append(CPPDEFINES = ['_GLAPI_NO_EXPORTS'])

    env.Append(CPPPATH = [
        '#/src/mapi',
        '#/src/mesa',
    ])
    
    glapi_sources = [
        'glapi_dispatch.c',
        'glapi_entrypoint.c',
        'glapi_getproc.c',
        'glapi_nop.c',
        'glthread.c',
        'glapi.c',
    ]
    
    mapi_sources = [
        'u_current.c',
        'u_execmem.c',
        'u_thread.c',
    ]
    for s in mapi_sources:
        o = env.SharedObject(s[:-2], '../mapi/' + s)
        glapi_sources.append(o)

    #
    # Assembly sources
    #
    if env['gcc'] and env['platform'] != 'windows':
        if env['machine'] == 'x86':
            env.Append(CPPDEFINES = [
                'USE_X86_ASM',
            ])
            glapi_sources += [
                'glapi_x86.S',
            ]
        elif env['machine'] == 'x86_64':
            env.Append(CPPDEFINES = [
                'USE_X86_64_ASM',
            ])
            glapi_sources += [
                'glapi_x86-64.S'
            ]
        elif env['machine'] == 'sparc':
            env.Append(CPPDEFINES = [
                'USE_SPARC_ASM',
            ])
            glapi_sources += [
                'glapi_sparc.S'
            ]
        else:
            pass
    
    if env['toolchain'] == 'crossmingw':
        # compile these files without -gstabs option
        glapi_sources = env.compile_without_gstabs(glapi_sources, "glapi_dispatch.c")
        glapi_sources = env.compile_without_gstabs(glapi_sources, "glapi_getproc.c")

    glapi = env.ConvenienceLibrary(
        target = 'glapi',
        source = glapi_sources,
    )
    Export('glapi')