CBuild 编译系统测试举例

初始化环境

export LOGOUTPUT= 的作用是输出更详细的编译信息

lengjing@lengjing:~/data/cbuild$ source scripts/build.env
============================================================
ENV_BUILD_MODE   : external
ENV_BUILD_JOBS   : -j8
ENV_TOP_DIR      : /home/lengjing/data/cbuild
ENV_MAKE_DIR     : /home/lengjing/data/cbuild/scripts/core
ENV_TOOL_DIR     : /home/lengjing/data/cbuild/scripts/bin
ENV_DOWN_DIR     : /home/lengjing/data/cbuild/output/mirror-cache/downloads
ENV_CACHE_DIR    : /home/lengjing/data/cbuild/output/mirror-cache/build-cache
ENV_MIRROR_URL   : http://127.0.0.1:8888
ENV_TOP_OUT      : /home/lengjing/data/cbuild/output/noarch
ENV_CFG_ROOT     : /home/lengjing/data/cbuild/output/noarch/config
ENV_OUT_ROOT     : /home/lengjing/data/cbuild/output/noarch/objects
ENV_INS_ROOT     : /home/lengjing/data/cbuild/output/noarch/sysroot
ENV_DEP_ROOT     : /home/lengjing/data/cbuild/output/noarch/sysroot
ENV_TOP_HOST     : /home/lengjing/data/cbuild/output/x86_64-native
ENV_OUT_HOST     : /home/lengjing/data/cbuild/output/x86_64-native/objects
ENV_INS_HOST     : /home/lengjing/data/cbuild/output/x86_64-native/sysroot
ENV_DEP_HOST     : /home/lengjing/data/cbuild/output/x86_64-native/sysroot
============================================================
lengjing@lengjing:~/data/cbuild$ export LOGOUTPUT=

测试编译应用

测试用例1位于 test-app，测试生成动态库、静态库和可执行文件

lengjing@lengjing:~/data/cbuild$ cd examples/test-app
lengjing@lengjing:~/data/cbuild/examples/test-app$ make
gcc	sub.c
gcc	main.c
gcc	add.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/libtest.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/libtest.so.1.2.3
bin:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/test
Build test-app Done.

测试修改头文件，依赖它的 c 文件也重新编译了

lengjing@lengjing:~/data/cbuild/examples/test-app$ vi include/sub.h
lengjing@lengjing:~/data/cbuild/examples/test-app$ make
gcc	sub.c
gcc	main.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/libtest.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/libtest.so.1.2.3
bin:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app/test
Build test-app Done.
lengjing@lengjing:~/data/cbuild/examples/test-app$ make install

测试用例2位于 test-app2，测试依赖 (test-app2 依赖 test-app)

lengjing@lengjing:~/data/cbuild/examples/test-app$ cd ../test-app2
lengjing@lengjing:~/data/cbuild/examples/test-app2$ make
gcc	main.c
bin:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app2/test2
Build test-app2 Done.
lengjing@lengjing:~/data/cbuild/examples/test-app2$ make install
lengjing@lengjing:~/data/cbuild/examples/test-app3$ readelf -d /home/lengjing/data/cbuild/output/noarch/objects/examples/test-app2/test2 | grep NEEDED
 0x0000000000000001 (NEEDED)             Shared library: [libtest.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]

测试用例3位于 test-app3，测试一个 Makefile 生成多个库

lengjing@lengjing:~/data/cbuild/examples/test-app2$
lengjing@lengjing:~/data/cbuild/examples/test-app2$ cd ../test-app3
lengjing@lengjing:~/data/cbuild/examples/test-app3$ make
gcc	add.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libadd.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libadd.so.1.2.3
gcc	sub.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libsub.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libsub.so.1.2
gcc	mul.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libmul.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libmul.so.1
gcc	div.c
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libdiv.a
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libdiv.so
lib:	/home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libadd2.so.1.2.3
Build test-app3 Done.
lengjing@lengjing:~/data/cbuild/examples/test-app3$ make install
lengjing@lengjing:~/data/cbuild/examples/test-app3$ readelf -d /home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libadd.so.1.2.3 | grep SONAME
 0x000000000000000e (SONAME)             Library soname: [libadd.so.1]
lengjing@lengjing:~/data/cbuild/examples/test-app3$ readelf -d /home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libsub.so.1.2 | grep SONAME
 0x000000000000000e (SONAME)             Library soname: [libsub.so.1]
lengjing@lengjing:~/data/cbuild/examples/test-app3$ readelf -d /home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libmul.so.1 | grep SONAME
 0x000000000000000e (SONAME)             Library soname: [libmul.so.1]
lengjing@lengjing:~/data/cbuild/examples/test-app3$ readelf -d /home/lengjing/data/cbuild/output/noarch/objects/examples/test-app3/libdiv.so | grep SONAME
 0x000000000000000e (SONAME)             Library soname: [libdiv.so]

测试 Kconfig 配置

测试用例位于 test-conf

测试加载默认配置

lengjing@lengjing:~/data/cbuild/examples/test-app3$ cd ../test-conf
lengjing@lengjing:~/data/cbuild/examples/test-conf$ ls config/
def_config
lengjing@lengjing:~/data/cbuild/examples/test-conf$ make def_config
bison	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/autogen/parser.tab.c
gcc	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/autogen/parser.tab.c
flex	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/autogen/lexer.lex.c
gcc	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/autogen/lexer.lex.c
gcc	parser/confdata.c
gcc	parser/menu.c
gcc	parser/util.c
gcc	parser/preprocess.c
gcc	parser/expr.c
gcc	parser/symbol.c
gcc	conf.c
gcc	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/conf
gcc	lxdialog/checklist.c
gcc	lxdialog/inputbox.c
gcc	lxdialog/util.c
gcc	lxdialog/textbox.c
gcc	lxdialog/yesno.c
gcc	lxdialog/menubox.c
gcc	mconf.c
gcc	/home/lengjing/data/cbuild/output/x86_64-native/objects/scripts/kconfig/mconf
#
# configuration written to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-conf/.config
#
lengjing@lengjing:~/data/cbuild/examples/test-conf$ ls -a ${ENV_OUT_ROOT}/examples/test-conf
.  ..  .config  .config.old  autoconfig  config.h

测试修改配置后保存到另一配置

lengjing@lengjing:~/data/cbuild/examples/test-conf$ make menuconfig
configuration written to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-conf/.config

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.

lengjing@lengjing:~/data/cbuild/examples/test-conf$ make def2_saveconfig
Save .config to config/def2_config
lengjing@lengjing:~/data/cbuild/examples/test-conf$ ls config/
def2_config  def_config

测试编译驱动

测试用例1位于 test-mod，其中 test_hello 依赖于 test_hello_add 和 test_hello_sub，test_hello_sub 采用 Makefile 和 Kbuild 分离的模式

lengjing@lengjing:~/data/cbuild/examples/test-conf$ cd ../test-mod
lengjing@lengjing:~/data/cbuild/examples/test-mod$ make deps
Generate Kconfig OK.
Generate auto.mk OK.
lengjing@lengjing:~/data/cbuild/examples/test-mod$ ls test-hello
Makefile  hello_div.c  hello_main.c  hello_main.h  hello_mul.c  mk.deps
lengjing@lengjing:~/data/cbuild/examples/test-mod$ ls test-hello-sub
Kbuild  Makefile  hello_sub.c  hello_sub.h  mk.deps
lengjing@lengjing:~/data/cbuild/examples/test-mod$ make deps
Generate Kconfig OK.
Generate auto.mk OK.
lengjing@lengjing:~/data/cbuild/examples/test-mod$ make menuconfig
configuration written to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-mod/.config

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.

lengjing@lengjing:~/data/cbuild/examples/test-mod$ make all
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod/test-hello-add PWD=/home/lengjing/data/cbuild/examples/test-mod
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod
Build test-hello-add Done.
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod/test-hello-add PWD=/home/lengjing/data/cbuild/examples/test-mod
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
Warning: modules_install: missing 'System.map' file. Skipping depmod.
Build test-hello-sub Done.
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
Warning: modules_install: missing 'System.map' file. Skipping depmod.
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod/test-hello PWD=/home/lengjing/data/cbuild/examples/test-mod
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod/test-hello
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod/test-hello
Build test-hello Done.
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod/test-hello PWD=/home/lengjing/data/cbuild/examples/test-mod
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
Warning: modules_install: missing 'System.map' file. Skipping depmod.

lengjing@lengjing:~/data/cbuild/examples/test-mod2$ ls ../../output/noarch/
objects/        objects-native/ sysroot/        sysroot-native/
lengjing@lengjing:~/data/cbuild/examples/test-mod2$ ls ../../output/noarch/sysroot/lib/modules/5.4.0-137-generic/extra/
hello_add.ko  hello_dep.ko  hello_sub.ko
lengjing@lengjing:~/data/cbuild/examples/test-mod2$ ls ../../output/noarch/sysroot/usr/include/test-hello-*
../../output/noarch/sysroot/usr/include/test-hello-add:
Module.symvers  hello_add.h

../../output/noarch/sysroot/usr/include/test-hello-sub:
Module.symvers  hello_sub.h

测试用例2位于 test-mod2，一个 Makefile 同时编译出两个模块 hello_op 和 hello_sec

lengjing@lengjing:~/data/cbuild/examples/test-mod$ cd ../test-mod2
lengjing@lengjing:~/data/cbuild/examples/test-mod2$ make
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod2 PWD=/home/lengjing/data/cbuild/examples/test-mod2
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod2
KERNELRELEASE=5.4.0-137-generic pwd=/usr/src/linux-headers-5.4.0-137-generic PWD=/home/lengjing/data/cbuild/examples/test-mod2
Build test-mod2 Done.

lengjing@lengjing:~/data/cbuild/examples/test-mod2$ make install
KERNELRELEASE= pwd=/home/lengjing/data/cbuild/examples/test-mod2 PWD=/home/lengjing/data/cbuild/examples/test-mod2
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
Warning: modules_install: missing 'System.map' file. Skipping depmod.

lengjing@lengjing:~/data/cbuild/examples/test-mod2$ ls ../../output/noarch/sysroot/lib/modules/5.4.0-137-generic/extra/
hello_add.ko  hello_dep.ko  hello_op.ko  hello_sec.ko  hello_sub.ko
lengjing@lengjing:~/data/cbuild/examples/test-mod2$

测试编译链

测试用例位于 test-deps

lengjing@lengjing:~/data/cbuild/examples/test-deps$ cd ../test-deps
lengjing@lengjing:~/data/cbuild/examples/test-deps$ make deps
Generate Kconfig OK.
Generate auto.mk OK.
Generate DEPS OK.
lengjing@lengjing:~/data/cbuild/examples/test-deps$ make menuconfig
configuration written to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-deps/.config

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.

lengjing@lengjing:~/data/cbuild/examples/test-deps$ make d
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pe/pe
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pe/pe
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pd/pd
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pd/pd

lengjing@lengjing:~/data/cbuild/examples/test-deps$ make
ext.mk
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pc/pc
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pe/pe
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pe/pe
ext.mk
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pd/pd
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pd/pd
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pc/pc
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pb/pb
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pb/pb
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pa/pa
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pa/pa
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf
target=all path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf
target=install path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf

lengjing@lengjing:~/data/cbuild/examples/test-deps$ make a-deps
Note: a.dot a.svg and a.png are generated in the depends folder.

lengjing@lengjing:~/data/cbuild/examples/test-deps$ make clean
ext.mk
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pc/pc
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pe/pe
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pd/pd
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pb/pb
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pa/pa
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf
target=clean path=/home/lengjing/data/cbuild/examples/test-deps/pf/pf
rm -rf auto.mk Kconfig Target DEPS depends

测试缓存编译

测试用例位于 test-lua，测试网络下载包、打补丁、编译、缓存处理

lengjing@lengjing:~/data/cbuild/examples/test-deps$ cd ../test-lua
lengjing@lengjing:~/data/cbuild/examples/test-lua$ make
curl http://127.0.0.1:8888/downloads/lua-5.4.4.tar.gz to /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.4.tar.gz
untar /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.4.tar.gz to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-lua
patching file Makefile
patching file src/Makefile
Patch /home/lengjing/data/cbuild/examples/test-lua/patch/0001-lua-Support-dynamic-library-compilation.patch to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-lua/lua-5.4.4 Done.
patching file src/lparser.c
Patch /home/lengjing/data/cbuild/examples/test-lua/patch/CVE-2022-28805.patch to /home/lengjing/data/cbuild/output/noarch/objects/examples/test-lua/lua-5.4.4 Done.
Guessing Linux
ar: `u' modifier ignored since `D' is the default (see `U')
Push lua Cache to /home/lengjing/data/cbuild/output/mirror-cache/build-cache.
Build lua Done.

lengjing@lengjing:~/data/cbuild/examples/test-lua$ make
Use lua Cache in /home/lengjing/data/cbuild/output/mirror-cache/build-cache.
Build lua Done.

测试下载包

另启一个终端，启动镜像服务器

lengjing@lengjing:~/data/cbuild/examples/test-lua$ cd ../../output
lengjing@lengjing:~/data/cbuild/output$ mv mirror-cache mirror
lengjing@lengjing:~/data/cbuild/output$ cd mirror
lengjing@lengjing:~/data/cbuild/output/mirror$ python3 -m http.server 8888
Serving HTTP on 0.0.0.0 port 8888 (http://0.0.0.0:8888/) ...

原终端导出如下变量

lengjing@lengjing:~/data/cbuild/examples/test-lua$ export FETCH_SCRIPT=${ENV_TOOL_DIR}/fetch_package.sh
lengjing@lengjing:~/data/cbuild/examples/test-lua$ export COPY_TO_PATH=${ENV_OUT_ROOT}/test

测试 tar 类型的包

lengjing@lengjing:~/data/cbuild/examples/test-lua$ ${FETCH_SCRIPT} tar http://www.lua.org/ftp/lua-5.4.3.tar.gz lua-5.4.3.tar.gz ${COPY_TO_PATH} lua-5.4.3
curl http://www.lua.org/ftp/lua-5.4.3.tar.gz to /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.3.tar.gz
untar /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.3.tar.gz to /home/lengjing/data/cbuild/output/noarch/objects/test

测试 tar 类型的包从镜像 http://127.0.0.1:8888 下载

lengjing@lengjing:~/data/cbuild/examples/test-lua$ ${FETCH_SCRIPT} tar http://www.lua.org/ftp/lua-5.4.4.tar.gz lua-5.4.4.tar.gz ${COPY_TO_PATH} lua-5.4.4
curl http://127.0.0.1:8888/downloads/lua-5.4.4.tar.gz to /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.4.tar.gz
untar /home/lengjing/data/cbuild/output/mirror-cache/downloads/lua-5.4.4.tar.gz to /home/lengjing/data/cbuild/output/noarch/objects/test

测试 zip 类型的包

${FETCH_SCRIPT} zip https://github.com/curl/curl/releases/download/curl-7_86_0/curl-7.86.0.zip curl-7.86.0.zip ${COPY_TO_PATH} curl-7.86.0
curl https://github.com/curl/curl/releases/download/curl-7_86_0/curl-7.86.0.zip to /home/lengjing/data/cbuild/output/mirror-cache/downloads/curl-7.86.0.zip
unzip /home/lengjing/data/cbuild/output/mirror-cache/downloads/curl-7.86.0.zip to /home/lengjing/data/cbuild/output/noarch/objects/test

测试 git 类型的包

lengjing@lengjing:~/data/cbuild/examples/test-lua$ ${FETCH_SCRIPT} git https://github.com/lengjingzju/json.git ljson ${COPY_TO_PATH} ljson
git clone https://github.com/lengjingzju/json.git to /home/lengjing/data/cbuild/output/mirror-cache/downloads/ljson
Cloning into '/home/lengjing/data/cbuild/output/mirror-cache/downloads/ljson'...
remote: Enumerating objects: 39, done.
remote: Counting objects: 100% (2/2), done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 39 (delta 1), reused 0 (delta 0), pack-reused 37
Unpacking objects: 100% (39/39), done.
copy /home/lengjing/data/cbuild/output/mirror-cache/downloads/ljson to /home/lengjing/data/cbuild/output/noarch/objects/test

测试 svn 类型的包

lengjing@lengjing:~/data/cbuild/examples/test-lua$ ${FETCH_SCRIPT} svn https://github.com/lengjingzju/mem mem ${COPY_TO_PATH} mem
svn checkout https://github.com/lengjingzju/mem to /home/lengjing/data/cbuild/output/mirror-cache/downloads/mem
copy /home/lengjing/data/cbuild/output/mirror-cache/downloads/mem to /home/lengjing/data/cbuild/output/noarch/objects/test

Yocto 快速开始

安装编译环境

lengjing@lengjing:~/data/cbuild/scripts$ sudo apt install gawk wget git diffstat unzip \
    texinfo gcc build-essential chrpath socat cpio \
    python3 python3-pip python3-pexpect xz-utils \
    debianutils iputils-ping python3-git python3-jinja2 \
    libegl1-mesa libsdl1.2-dev pylint3 xterm \
    python3-subunit mesa-common-dev zstd liblz4-tool qemu

拉取 Poky 工程，通过 Yocto Releases Wiki 界面获取版本代号

lengjing@lengjing:~/data/cbuild/scripts$ git clone git://git.yoctoproject.org/poky
lengjing@lengjing:~/data/cbuild/scripts$ cd poky
lengjing@lengjing:~/data/cbuild/scripts/poky$ git branch -a
lengjing@lengjing:~/data/cbuild/scripts/poky$ git checkout -t origin/kirkstone -b my-kirkstone
lengjing@lengjing:~/data/cbuild/scripts/poky$ cd ../../

构建镜像

lengjing@lengjing:~/data/cbuild$ source scripts/poky/oe-init-build-env       # 初始化环境
lengjing@lengjing:~/data/cbuild/build$ bitbake core-image-minimal            # 构建最小镜像
lengjing@lengjing:~/data/cbuild/build$ ls -al tmp/deploy/images/qemux86-64/  # 输出目录
lengjing@lengjing:~/data/cbuild/build$ runqemu qemux86-64                    # 运行仿真器

注: source oe-init-build-env <dirname>功能: 初始化环境，并将工具目录(bitbake/bin/ 和 scripts/)加入到环境变量; 在当前目录自动创建并切换到工作目录(不指定时默认为 build)

测试 Yocto 编译

conf/local.conf 配置文件中增加如下变量定义

ENV_TOP_DIR = "/home/lengjing/data/cbuild"
ENV_BUILD_MODE = "yocto"

增加测试的层

lengjing@lengjing:~/data/cbuild/build$ bitbake-layers add-layer ../examples/meta-cbuild

bitbake 编译

lengjing@lengjing:~/data/cbuild/build$ bitbake test-app2  # 编译应用
lengjing@lengjing:~/data/cbuild/build$ bitbake test-app3  # 编译应用
lengjing@lengjing:~/data/cbuild/build$ bitbake test-hello # 编译内核模块
lengjing@lengjing:~/data/cbuild/build$ bitbake test-mod2  # 编译内核模块
lengjing@lengjing:~/data/cbuild/build$ bitbake test-conf  # 编译 kconfig 测试程序
lengjing@lengjing:~/data/cbuild/build$ bitbake test-conf -c menuconfig # 修改配置

注: 常见 Yocto 问题可以查看 Yocto 笔记

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examples_zh-cn.md

examples_zh-cn.md

CBuild 编译系统测试举例

初始化环境

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CBuild 编译系统测试举例

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Yocto 快速开始

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