emscripten/scons-tools/llvm.py

35 строки
1015 B
Python
Executable File

from SCons.Scanner.Prog import scan
from SCons.Builder import Builder
import os
def exists(env):
return True
def add_libraries(target, source, env):
unique = []
lib_nodes = set()
for x in scan(None, env, tuple(map(env.Dir, env['LIBPATH']))):
if x in lib_nodes:
continue
lib_nodes.add(x)
unique.append(x)
return (target, source + unique)
def generate(env):
env.SetDefault(
CLANG='clang',
CLANGXX='clang++',
LLVM_DIS='llvm-dis',
LLVM_OPT='opt',
LLVM_LINK='llvm-link')
env['BUILDERS']['LLVMDis'] = Builder(
action=os.path.join('${LLVM_ROOT}', '$LLVM_DIS') + ' -o $TARGET $SOURCE')
env['BUILDERS']['LLVMOpt'] = Builder(
action=os.path.join('${LLVM_ROOT}', '$LLVM_OPT') + ' $LLVM_OPT_FLAGS $LLVM_OPT_PASSES -o $TARGET $SOURCE')
env['BUILDERS']['LLVMLink'] = Builder(
action=os.path.join('${LLVM_ROOT}', '$LLVM_LINK') + ' -o $TARGET $SOURCES',
emitter=add_libraries)