godot/drivers/png/SCsub
Rémi Verschelde d52b70fb5e SCons: Always use env.Prepend for CPPPATH
Include paths are processed from left to right, so we use Prepend to
ensure that paths to bundled thirdparty files will have precedence over
system paths (e.g. `/usr/include` should have lowest priority).
2019-04-30 13:12:06 +02:00

60 lines
1.8 KiB
Python

#!/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.Prepend(CPPPATH=[thirdparty_dir])
# Needed for drivers includes and in platform/javascript
env.Prepend(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"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/palette_neon_intrinsics.c"))
env.drivers_sources += neon_sources
# Godot source files
env_png.add_source_files(env.drivers_sources, "*.cpp")
Export('env')