mewin/scons_unity_build
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Use builder instead of direct function call for generating unity sources.

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This commit is contained in:
Patrick 2022-12-17 15:37:49 +01:00
parent eedbcc70e9
commit 0c29a6f295
Signed by: mewin
GPG Key ID: CEDB412C39B5BC47
1 changed files with 20 additions and 5 deletions
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25
unity_build.py
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@ -55,6 +55,13 @@ def generate(env : Environment):
env.AddMethod(_make_generator(env.Library), 'UnityLibrary') env.AddMethod(_make_generator(env.Library), 'UnityLibrary')
env.AddMethod(_make_generator(env.StaticLibrary), 'UnityStaticLibrary') env.AddMethod(_make_generator(env.StaticLibrary), 'UnityStaticLibrary')
env.AddMethod(_make_generator(env.SharedLibrary), 'UnitySharedLibrary') env.AddMethod(_make_generator(env.SharedLibrary), 'UnitySharedLibrary')
# build for generating the unity source files
unity_source_builder = env.Builder(
action = Action.Action(_generate_unity_file, _generate_unity_file_msg)
)
env.Append(BUILDERS = {'UnitySource': unity_source_builder})
env.SetDefault(UNITY_CACHE_DIR = '.unity') env.SetDefault(UNITY_CACHE_DIR = '.unity')
env.SetDefault(UNITY_MAX_SOURCES = 15) env.SetDefault(UNITY_MAX_SOURCES = 15)
env.SetDefault(UNITY_MIN_FILES = env.GetOption('num_jobs')) env.SetDefault(UNITY_MIN_FILES = env.GetOption('num_jobs'))
@ -85,7 +92,10 @@ def _make_generator(base_generator):
unity_source_files.append(unity_filename) unity_source_files.append(unity_filename)
begin = sources_per_file*idx begin = sources_per_file*idx
end = sources_per_file*(idx+1) end = sources_per_file*(idx+1)
_generate_unity_file(unity_filename, source_files[begin:end]) env.UnitySource(
target = unity_filename,
source = source_files[begin:end]
)
if len(other_nodes) > 0: if len(other_nodes) > 0:
print(f'Exluded {len(other_nodes)} node(s) from Unity build.') print(f'Exluded {len(other_nodes)} node(s) from Unity build.')
@ -109,10 +119,15 @@ def _flatten_source(source : list):
return source_files, other_nodes return source_files, other_nodes
def _generate_unity_file(unity_filename : str, sources : list): def _generate_unity_file_msg(target, source, env : Environment):
print(f'Generating {unity_filename} from {len(sources)} source files.') assert(len(target) == 1)
return f'Generating {str(target[0])} from {len(source)} source files.'
def _generate_unity_file(target, source, env : Environment):
assert(len(target) == 1)
unity_filename = target[0].abspath
with open(unity_filename, 'w') as f: with open(unity_filename, 'w') as f:
for source in sources: for source_file in source:
fpath = os.path.abspath(source).replace("\\", "\\\\") fpath = source_file.abspath.replace("\\", "\\\\")
f.write(f'#include "{fpath}"\n') f.write(f'#include "{fpath}"\n')