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233 lines
7.3 KiB
233 lines
7.3 KiB
project('libepoxy', 'c', version: '1.5.4',
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default_options: [
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'buildtype=debugoptimized',
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'c_std=gnu99',
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'warning_level=1',
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],
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license: 'MIT',
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meson_version: '>= 0.47.0')
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epoxy_version = meson.project_version().split('.')
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epoxy_major_version = epoxy_version[0].to_int()
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epoxy_minor_version = epoxy_version[1].to_int()
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epoxy_micro_version = epoxy_version[2].to_int()
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epoxy_prefix = get_option('prefix')
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epoxy_libdir = join_paths(epoxy_prefix, get_option('libdir'))
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epoxy_datadir = join_paths(epoxy_prefix, get_option('datadir'))
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epoxy_includedir = join_paths(epoxy_prefix, get_option('includedir'))
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cc = meson.get_compiler('c')
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host_system = host_machine.system()
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conf = configuration_data()
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conf.set_quoted('PACKAGE_NAME', meson.project_name())
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conf.set_quoted('PACKAGE_VERSION', meson.project_version())
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conf.set_quoted('PACKAGE_STRING', '@0@-@1@'.format(meson.project_name(), meson.project_version()))
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conf.set_quoted('PACKAGE_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
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conf.set_quoted('PACKAGE_LIBDIR', join_paths(get_option('prefix'), get_option('libdir')))
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conf.set_quoted('PACKAGE_LOCALEDIR', join_paths(get_option('prefix'), get_option('datadir'), 'locale'))
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conf.set_quoted('PACKAGE_LIBEXECDIR', join_paths(get_option('prefix'), get_option('libexecdir')))
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conf.set('HAVE_KHRPLATFORM_H', cc.has_header('KHR/khrplatform.h'))
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# GLX can be used on different platforms, so we expose a
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# configure time switch to enable or disable it; in case
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# the "auto" default value is set, we only enable GLX
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# support on Linux and Unix
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enable_glx = get_option('glx')
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if enable_glx == 'auto'
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build_glx = not ['windows', 'darwin', 'android', 'haiku'].contains(host_system)
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else
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build_glx = enable_glx == 'yes'
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endif
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enable_egl = get_option('egl')
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if enable_egl == 'auto'
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build_egl = not ['windows', 'darwin'].contains(host_system)
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else
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build_egl = enable_egl == 'yes'
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endif
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enable_x11 = get_option('x11')
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if not enable_x11
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if enable_glx == 'yes'
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error('GLX support is explicitly enabled, but X11 was disabled')
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endif
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build_glx = false
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endif
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# The remaining platform specific API for GL/GLES are enabled
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# depending on the platform we're building for
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if host_system == 'windows'
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build_wgl = true
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has_znow = true
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elif host_system == 'darwin'
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build_wgl = false
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has_znow = false
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else
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build_wgl = false
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has_znow = true
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endif
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conf.set10('ENABLE_GLX', build_glx)
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conf.set10('ENABLE_EGL', build_egl)
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conf.set10('ENABLE_X11', enable_x11)
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# Compiler flags, taken from the Xorg macros
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if cc.get_id() == 'msvc'
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# Compiler options taken from msvc_recommended_pragmas.h
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# in GLib, based on _Win32_Programming_ by Rector and Newcomer
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test_cflags = [
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'-we4002', # too many actual parameters for macro
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'-we4003', # not enough actual parameters for macro
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'-w14010', # single-line comment contains line-continuation character
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'-we4013', # 'function' undefined; assuming extern returning int
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'-w14016', # no function return type; using int as default
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'-we4020', # too many actual parameters
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'-we4021', # too few actual parameters
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'-we4027', # function declared without formal parameter list
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'-we4029', # declared formal parameter list different from definition
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'-we4033', # 'function' must return a value
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'-we4035', # 'function' : no return value
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'-we4045', # array bounds overflow
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'-we4047', # different levels of indirection
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'-we4049', # terminating line number emission
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'-we4053', # an expression of type void was used as an operand
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'-we4071', # no function prototype given
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'-we4819', # the file contains a character that cannot be represented in the current code page
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]
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elif cc.get_id() == 'gcc' or cc.get_id() == 'clang'
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test_cflags = [
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'-Wpointer-arith',
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'-Wmissing-declarations',
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'-Wformat=2',
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'-Wstrict-prototypes',
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'-Wmissing-prototypes',
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'-Wnested-externs',
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'-Wbad-function-cast',
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'-Wold-style-definition',
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'-Wdeclaration-after-statement',
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'-Wunused',
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'-Wuninitialized',
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'-Wshadow',
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'-Wmissing-noreturn',
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'-Wmissing-format-attribute',
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'-Wredundant-decls',
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'-Wlogical-op',
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'-Werror=implicit',
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'-Werror=nonnull',
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'-Werror=init-self',
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'-Werror=main',
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'-Werror=missing-braces',
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'-Werror=sequence-point',
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'-Werror=return-type',
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'-Werror=trigraphs',
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'-Werror=array-bounds',
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'-Werror=write-strings',
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'-Werror=address',
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'-Werror=int-to-pointer-cast',
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'-Werror=pointer-to-int-cast',
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'-fno-strict-aliasing',
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'-Wno-int-conversion',
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]
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else
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test_cflags = []
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endif
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common_cflags = cc.get_supported_arguments(test_cflags)
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libtype = get_option('default_library')
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# Visibility compiler flags; we only use this for shared libraries
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visibility_cflags = []
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if libtype == 'shared'
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if host_system == 'windows'
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conf.set('DLL_EXPORT', true)
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conf.set('EPOXY_PUBLIC', '__declspec(dllexport) extern')
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if cc.get_id() != 'msvc'
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visibility_cflags += [ '-fvisibility=hidden' ]
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endif
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else
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conf.set('EPOXY_PUBLIC', '__attribute__((visibility("default"))) extern')
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visibility_cflags += [ '-fvisibility=hidden' ]
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endif
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endif
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# The inline keyword is available only for C++ in MSVC.
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# So we need to use Microsoft specific __inline.
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if host_system == 'windows'
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if cc.get_id() == 'msvc'
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conf.set('inline', '__inline')
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endif
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endif
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# Dependencies
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dl_dep = cc.find_library('dl', required: false)
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gl_dep = dependency('gl', required: false)
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egl_dep = dependency('egl', required: false)
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# Optional dependencies for tests
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x11_dep = dependency('x11', required: false)
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# GLES v2 and v1 may have pkg-config files, courtesy of downstream
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# packagers; let's check those first, and fall back to find_library()
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# if we fail
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gles2_dep = dependency('glesv2', required: false)
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if not gles2_dep.found()
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gles2_dep = cc.find_library('libGLESv2', required: false)
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endif
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gles1_dep = dependency('glesv1_cm', required: false)
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if not gles1_dep.found()
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gles1_dep = cc.find_library('libGLESv1_CM', required: false)
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endif
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# On windows, the DLL has to have all of its functions
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# resolved at link time, so we have to link directly against
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# opengl32. But that's the only GL provider, anyway.
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if host_system == 'windows'
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opengl32_dep = cc.find_library('opengl32', required: true)
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# When building against static libraries, we need to control
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# the order of the dependencies, and gdi32 provides symbols
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# needed when using opengl32, like SetPixelFormat and
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# ChoosePixelFormat. This is mostly a workaround for older
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# versions of Meson.
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gdi32_dep = cc.find_library('gdi32', required: true)
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endif
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# Python
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python = import('python3').find_python()
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if not python.found()
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python = find_program('python', required: true)
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endif
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# Generates the dispatch tables
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gen_dispatch_py = files('src/gen_dispatch.py')
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gl_registry = files('registry/gl.xml')
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egl_registry = files('registry/egl.xml')
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glx_registry = files('registry/glx.xml')
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wgl_registry = files('registry/wgl.xml')
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libepoxy_inc = [
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include_directories('include'),
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include_directories('src'),
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]
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subdir('include/epoxy')
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subdir('src')
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if get_option('tests')
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subdir('test')
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endif
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if get_option('docs')
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doxygen = find_program('doxygen', required: false)
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if doxygen.found()
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subdir('doc')
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else
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message('Documentation disabled without doxygen')
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endif
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endif
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