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SCons: unify code generations routine and minimize timestamp changes

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Previously, all of the code generation routines would just needlessly
write the same files over and over, even when not needed.

This became a problem with the advent of the experimental ninja backend
for SCons, which can be trivially enabled with a few lines of code and
relies on timestamp changes, making it thus impractical.
This commit is contained in:
Riteo 2024-03-13 17:54:14 +01:00
parent 89f70e98d2
commit a5cf92664d
6 changed files with 96 additions and 68 deletions
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9
platform/SCsub
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@ -1,5 +1,7 @@
#!/usr/bin/env python
import methods
Import("env")
env.platform_sources = []
@ -18,12 +20,7 @@ reg_apis_inc += "\n"
reg_apis += "}\n\n"
unreg_apis += "}\n"
# NOTE: It is safe to generate this file here, since this is still execute serially
with open("register_platform_apis.gen.cpp", "w", encoding="utf-8", newline="\n") as f:
f.write(reg_apis_inc)
f.write(reg_apis)
f.write(unreg_apis)
methods.write_file_if_needed("register_platform_apis.gen.cpp", reg_apis_inc + reg_apis + unreg_apis)
env.add_source_files(env.platform_sources, "register_platform_apis.gen.cpp")
lib = env.add_library("platform", env.platform_sources)