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#!/usr/bin/env python
Import('env')
env_png = env.Clone()
# Thirdparty source files
if env['builtin_libpng']:
thirdparty_dir = "#thirdparty/libpng/"
thirdparty_sources = [
"png.c",
"pngerror.c",
"pngget.c",
"pngmem.c",
"pngpread.c",
"pngread.c",
"pngrio.c",
"pngrtran.c",
"pngrutil.c",
"pngset.c",
"pngtrans.c",
"pngwio.c",
"pngwrite.c",
"pngwtran.c",
"pngwutil.c",
]
thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
env_png.Append(CPPPATH=[thirdparty_dir])
# Currently .ASM filter_neon.S does not compile on NT.
import os
use_neon = "neon_enabled" in env and env["neon_enabled"] and os.name != "nt"
if use_neon:
env_png.Append(CPPFLAGS=["-DPNG_ARM_NEON_OPT=2"])
else:
env_png.Append(CPPFLAGS=["-DPNG_ARM_NEON_OPT=0"])
env_thirdparty = env_png.Clone()
env_thirdparty.disable_warnings()
env_thirdparty.add_source_files(env.drivers_sources, thirdparty_sources)
if use_neon:
env_neon = env_thirdparty.Clone()
if "S_compiler" in env:
env_neon['CC'] = env['S_compiler']
neon_sources = []
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/arm_init.c"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/filter_neon_intrinsics.c"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/filter_neon.S"))
env.drivers_sources += neon_sources
# Godot source files
env_png.add_source_files(env.drivers_sources, "*.cpp")
Export('env')
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