For build prereqs, see the CS144 VM setup instructions.
To set up your build directory:
$ mkdir -p <path/to/sponge>/build
$ cd <path/to/sponge>/build
$ cmake ..
Note: all further commands listed below should be run from the build
dir.
To build:
$ make
You can use the -j
switch to build in parallel, e.g.,
$ make -j$(nproc)
To test (after building; make sure you've got the build prereqs installed!)
$ make check_labN *(replacing N with a checkpoint number)*
The first time you run make check_lab...
, it will run sudo
to configure two
TUN devices for use during
testing.
You can specify a different compiler when you run cmake:
$ CC=clang CXX=clang++ cmake ..
You can also specify CLANG_TIDY=
or CLANG_FORMAT=
(see "other useful targets", below).
Sponge's build system supports several different build targets. By default, cmake chooses the Release
target, which enables the usual optimizations. The Debug
target enables debugging and reduces the
level of optimization. To choose the Debug
target:
$ cmake .. -DCMAKE_BUILD_TYPE=Debug
The following targets are supported:
Release
- optimizationsDebug
- debug symbols and -Og
RelASan
- release build with ASan and
UBSan
RelTSan
- release build with
ThreadSan
DebugASan
- debug build with ASan and UBSanDebugTSan
- debug build with ThreadSanOf course, you can combine all of the above, e.g.,
$ CLANG_TIDY=clang-tidy-6.0 CXX=clang++-6.0 .. -DCMAKE_BUILD_TYPE=Debug
Note: if you want to change CC
, CXX
, CLANG_TIDY
, or CLANG_FORMAT
, you need to remove
build/CMakeCache.txt
and re-run cmake. (This isn't necessary for CMAKE_BUILD_TYPE
.)
To generate documentation (you'll need doxygen
; output will be in build/doc/
):
$ make doc
To format (you'll need clang-format
):
$ make format
To see all available targets,
$ make help
踩坑总结:建议直接在linux服务器上跑测试用例,wls2在lab4之前还行,lab4之后不建议跑。另外需要注意的是,除了doxygen(这个cmake时会提醒出来),还需要libpcap库,best wishes。
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