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example usage of @file with ninja #1

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Apr 14, 2022
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example usage of @file with ninja #1

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49 changes: 24 additions & 25 deletions bsp/beaglebone/SConstruct
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,12 @@ TARGET = 'rtthread-beaglebone.' + rtconfig.TARGET_EXT

#SetOption('experimental','ninja')
DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
CXX= rtconfig.CXX, CXXFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env = Environment(tools = ['mingw', 'textfile'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
CXX= rtconfig.CXX, CXXFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
env.Tool('ninja')

Expand All @@ -37,27 +37,26 @@ def ExpandList(l, expandList = []):
# prepare building environment
objs = ExpandList(PrepareBuilding(env, RTT_ROOT))

def GenIncPathsFile(env, objs):
incPathsFile = "build/__cpp_path.txt"
cppPathStr = "-I" + "\n-I".join(env["CPPPATH"]).replace("\\", "/")
compileIncPath = os.path.normpath(os.path.join(rtconfig.EXEC_PATH, "..", "include"))
def WriteIncPathsFile(target, source, env):
f = open(str(target[0]), "w" , encoding = "utf-8")
f.write("-I%s\n" % (os.path.join(compileIncPath, "libcxx").replace("\\", "/")))
f.write("-I%s\n" % (compileIncPath.replace("\\", "/")))
f.write(cppPathStr)
f.close()
env.Command(
incPathsFile,
None,
WriteIncPathsFile
cppPathStr = "-I" + "\n-I".join(env["CPPPATH"]).replace("\\", "/")
compileIncPath = os.path.normpath(os.path.join(rtconfig.EXEC_PATH, "..", "include"))
incPathsFile = env.Textfile("build/__cpp_path.txt", [
"-I%s\n" % (os.path.join(compileIncPath, "libcxx").replace("\\", "/")),
"-I%s\n" % (compileIncPath.replace("\\", "/")),
cppPathStr
])

def _add_scanner(builder):
def new_scanner(node, env, path):
return incPathsFile

builder.builder.target_scanner = SCons.Scanner.Scanner(
function=new_scanner,
path_function=SCons.Script.FindPathDirs('CPPPATH'),
)
for object_builder in SCons.Tool.createObjBuilders(env):
_add_scanner(object_builder)

env.Depends(objs, [incPathsFile])
return incPathsFile

incPathsFile = GenIncPathsFile(env, objs)
env["_CPPINCFLAGS"] = "@%s" % (incPathsFile)
env["_CPPINCFLAGS"] = "@%s" % (incPathsFile[0].path)

# make a building
DoBuilding(TARGET, objs)