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Implement optional incremental compilation

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Kovid Goyal
2017-01-11 04:45:27 +05:30
parent edf9e580fe
commit 70719d37fd
1 changed files with 26 additions and 7 deletions
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31
setup.py
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@@ -140,9 +140,21 @@ SPECIAL_SOURCES = {
} }
def compile_c_extension(module, *sources): def newer(dest, *sources):
try:
dtime = os.path.getmtime(dest)
except EnvironmentError:
return True
for s in sources:
if os.path.getmtime(s) >= dtime:
return True
return False
def compile_c_extension(module, incremental, sources, headers):
prefix = os.path.basename(module) prefix = os.path.basename(module)
objects = [os.path.join(build_dir, prefix + '-' + os.path.basename(src) + '.o') for src in sources] objects = [os.path.join(build_dir, prefix + '-' + os.path.basename(src) + '.o') for src in sources]
for src, dest in zip(sources, objects): for src, dest in zip(sources, objects):
cflgs = cflags[:] cflgs = cflags[:]
if src in SPECIAL_SOURCES: if src in SPECIAL_SOURCES:
@@ -150,8 +162,11 @@ def compile_c_extension(module, *sources):
cflgs.extend(map(define, defines)) cflgs.extend(map(define, defines))
src = os.path.join(base, src) src = os.path.join(base, src)
if not incremental or newer(dest, src, *headers):
run_tool([cc] + cflgs + ['-c', src] + ['-o', dest]) run_tool([cc] + cflgs + ['-c', src] + ['-o', dest])
run_tool([cc] + ldflags + objects + ldpaths + ['-o', os.path.join(base, module + '.so')]) dest = os.path.join(base, module + '.so')
if not incremental or newer(dest, *objects):
run_tool([cc] + ldflags + objects + ldpaths + ['-o', dest])
def option_parser(): def option_parser():
@@ -163,24 +178,28 @@ def option_parser():
help='Turn on address sanitization to detect memory access errors. Note that if you do turn it on,' help='Turn on address sanitization to detect memory access errors. Note that if you do turn it on,'
' you have to run kitty with the environment variable LD_PRELOAD=/usr/lib/libasan.so') ' you have to run kitty with the environment variable LD_PRELOAD=/usr/lib/libasan.so')
p.add_argument('--prefix', default='./linux-package', help='Where to create the linux package') p.add_argument('--prefix', default='./linux-package', help='Where to create the linux package')
p.add_argument('--incremental', default=False, action='store_true', help='Only build changed files')
return p return p
def find_c_files(): def find_c_files():
ans = [] ans, headers = [], []
d = os.path.join(base, 'kitty') d = os.path.join(base, 'kitty')
exclude = {'freetype.c'} if isosx else {'core_text.m'} exclude = {'freetype.c'} if isosx else {'core_text.m'}
for x in os.listdir(d): for x in os.listdir(d):
if (x.endswith('.c') or x.endswith('.m')) and os.path.basename(x) not in exclude: ext = os.path.splitext(x)[1]
if ext in ('.c', '.m') and os.path.basename(x) not in exclude:
ans.append(os.path.join('kitty', x)) ans.append(os.path.join('kitty', x))
elif ext == '.h':
headers.append(os.path.join('kitty', x))
ans.sort(key=lambda x: os.path.getmtime(os.path.join(base, x)), reverse=True) ans.sort(key=lambda x: os.path.getmtime(os.path.join(base, x)), reverse=True)
ans.append('kitty/parser_dump.c') ans.append('kitty/parser_dump.c')
return tuple(ans) return tuple(ans), tuple(headers)
def build(args): def build(args):
init_env(args.debug, args.asan) init_env(args.debug, args.asan)
compile_c_extension('kitty/fast_data_types', *find_c_files()) compile_c_extension('kitty/fast_data_types', args.incremental, *find_c_files())
def safe_makedirs(path): def safe_makedirs(path):