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genmake.py
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genmake.py
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import os
from io import StringIO
ALL_SPECIAL = 'altivec mmx sse sse2 sse3 ssse3 sse4_1 sse4_2'.split()
def get_special(name):
for s in ALL_SPECIAL:
if name.endswith(s):
return s
return None
HEADER = """\
depfiles := $(wildcard @adir@/*/*.d)
ifneq ($(depfiles),)
include $(depfiles)
endif
all_dirs@asfx@ := @adir@/shared @adir@/static @adir@/tool
missing_dirs@asfx@ := $(filter-out $(wildcard $(all_dirs@asfx@)),$(all_dirs@asfx@))
$(all_dirs@asfx@):
\tmkdir -p $@
"""
FOOTER = """\
ifeq ($(UNAME_S),Darwin)
@adir@/libfresample.a: $(static_obj@asfx@)
\tlibtool -static -o $@ $^
@adir@/$(so_name): $(static_obj@asfx@)
\t$(CC@asfx@) -o $@ -dynamiclib -install_name /Library/Frameworks/fresample.framework/Versions/A/fresample -compatibility_version $(ver_maj).$(ver_min) -current_version $(ver_maj).$(ver_min) $(LDFLAGS@asfx@) $^ $(LIBS@asfx@)
else
@adir@/libfresample.a: $(static_obj@asfx@)
\trm -f $@
\tar rc $@ $^
\tranlib $@
@adir@/$(so_name): $(shared_obj@asfx@)
\t$(CC@asfx@) -o $@ -shared -Wl,-soname,$(so_name1) $(LDFLAGS@asfx@) $^ $(LIBS@asfx@)
endif
@adir@/fresample: $(tool_obj@asfx@) @adir@/libfresample.a
\t$(CC@asfx@) -o $@ $(LDFLAGS@asfx@) $^ $(LIBS@asfx@)
"""
def get_sources(dirpath):
sources = {}
for name in os.listdir(dirpath):
if name.startswith('.'):
continue
base, ext = os.path.splitext(name)
path = dirpath + '/' + name
if ext == '.h':
s = 'include'
elif ext == '.c':
s = get_special(base)
if s is None:
s = 'base'
else:
continue
try:
sources[s].append(path)
except KeyError:
sources[s] = [path]
return sources
subst_vars = set('CC CCSHARED LDFLAGS LIBS CFLAGS CWARN CPPFLAGS'.split())
def build_sources(fp, name, sources, **kw):
cflags = kw.get('cflags', '')
prefix = kw.get('prefix', '')
for s in ['base'] + ALL_SPECIAL:
try:
srclist = sources[s]
except KeyError:
continue
if s == 'base':
s_cflags = ''
else:
s_cflags = '$(%s_CFLAGS@asfx@)' % s.upper()
subst_vars.add('%s_CFLAGS' % s.upper())
subst_vars.add('%s_ENABLED' % s.upper())
rule = ('\t$(CC@asfx@) -c -o $@ $< -I$(srcdir)/include $(depflags) '
'$(CPPFLAGS@asfx@) %s %s $(CWARN@asfx@) $(CFLAGS@asfx@)\n' %
(s_cflags, cflags))
objlist = []
for src in sorted(srclist):
base = os.path.splitext(os.path.split(src)[1])[0]
obj = '@adir@/' + prefix + base + '.o'
src = '$(srcdir)/' + src
objlist.append(obj)
fp.write('%s: %s $(missing_dirs@asfx@)\n' % (obj, src))
fp.write(rule)
objlist = ' '.join(objlist)
if s == 'base':
fp.write('%s@asfx@ := %s\n' % (name, objlist))
else:
fp.write(
'ifeq ($(%s_ENABLED@asfx@),1)\n'
'%s@asfx@ += %s\n'
'endif\n'
% (s.upper(), name, objlist))
def run():
fp = open('arch.mak.in', 'w')
fp.write(HEADER)
fp2 = StringIO()
lib_src = get_sources('lib')
tool_src = get_sources('src')
build_sources(fp2, 'shared_obj', lib_src,
prefix='shared/', cflags='$(CCSHARED@asfx@)')
fp2.write('\n')
build_sources(fp2, 'static_obj', lib_src,
prefix='static/')
fp2.write('\n')
build_sources(fp2, 'tool_obj', tool_src, prefix='tool/')
for var in sorted(subst_vars):
fp.write('%s@asfx@ := @%s@\n' % (var, var))
fp.write('\n')
fp.write(fp2.getvalue())
fp.write(FOOTER)
fp.close()
run()