我试图在Buildroot中使用externel工具链选项,并使用gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.gz作为外部工具链。我正在遵循Buildroot手册第6.1.3节中提到的步骤。我已经有了工具链tarball,所以我没有做make sdk部分。在menuconfig中,我指定如下所示:
然后,当我执行make时,我得到以下错误:
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Unpacking toolchain to "/root/br-tcg4/bat/buildscripts/../../tmp/toolchain" ...
done
Current STW RootFs version: "STW-V4.00r1"
Have you updated the version? Do you want to continue? [Y/n] Y
Make rfs ...
make: Entering directory '/root/br-tcg4/libs/br_pjt'
Makefile:1051: warning: overriding recipe for target '/root/br-tcg4/libs/br_pjt/output/staging'
Makefile:475: warning: ignoring old recipe for target '/root/br-tcg4/libs/br_pjt/output/staging'
/usr/bin/make -j1 O=/root/br-tcg4/libs/br_pjt/output HOSTCC="/usr/bin/gcc" HOSTCXX="/usr/bin/g++" syncconfig
make[1]: Entering directory '/root/br-tcg4/libs/br_pjt'
make[1]: Leaving directory '/root/br-tcg4/libs/br_pjt'
tar-1.29.cpio.gz: OK (sha256: 9173f222464dd3676118408840da5990527062b5c7daf6487bed7c396c45bfb1)
>>> toolchain-external-custom Downloading
cp: cannot stat '/root/br-tcg4/tmp/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.gz': No such file or directory
--2022-02-01 20:02:13-- http://sources.buildroot.net/toolchain-external-custom/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 172.67.72.56, 104.26.1.37, 104.26.0.37, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|172.67.72.56|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2022-02-01 20:02:14 ERROR 404: Not Found.
--2022-02-01 20:02:14-- http://sources.buildroot.net/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 172.67.72.56, 104.26.1.37, 104.26.0.37, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|172.67.72.56|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2022-02-01 20:02:14 ERROR 404: Not Found.
make: *** [package/pkg-generic.mk:171: /root/br-tcg4/libs/br_pjt/output/build/toolchain-external-custom/.stamp_downloaded] Error 1
make: Leaving directory '/root/br-tcg4/libs/br_pjt'
------------- Error occured! -------------当我检查http://sources.buildroot.net/toolchain-external-custom时,没有文件gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.gz。
请让我知道如何在Buildroot中正确使用外部工具链选项好吗?
你的帮助将不胜感激。
提前感谢
P.S:我使用Buildroot 2020.02.12和Ubuntu20.04作为构建系统。如果这里缺少任何信息,请告诉我。
发布于 2022-02-02 04:52:25
既然您似乎已经下载了自定义工具链tarball,那么为什么不简单地手动安装(即不存档)自定义工具链,然后选择适当的Buildroot选项(即Pre-installed toolchain)?
例如,我在/opt/安装工具链,在/opt/ Linaro /下安装linaro工具链。您使用的工具链安装在我的开发PC上,如下所示:
$ ls -go /opt/linaro/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf
total 36
drwxr-xr-x 6 4096 Dec 4 2019 arm-linux-gnueabihf
drwxr-xr-x 2 4096 Dec 4 2019 bin
-rw-r--r-- 1 11337 Dec 4 2019 gcc-linaro-7.5.0-2019.12-linux-manifest.txt
drwxr-xr-x 3 4096 Dec 4 2019 include
drwxr-xr-x 3 4096 Dec 4 2019 lib
drwxr-xr-x 3 4096 Dec 4 2019 libexec
drwxr-xr-x 8 4096 Dec 4 2019 share
$Buildroot将简单地使用指向预装可执行文件的符号链接来提高存储效率。因此,当您有几个使用相同外部工具链的Buildroot项目目录时,每个预装工具链可执行文件只有一个副本。然而,如果您(下载&)安装外部工具链,那么每个Buildroot项目目录都会有自己的可执行文件副本。
请让我知道如何在Buildroot中正确使用外部工具链选项好吗?
以下是为/opt/linaro/...预装的Linaro工具链设置的,该工具链对我可靠地工作:
Toolchain type (External toolchain) --->
*** Toolchain External Options ***
Toolchain (Custom toolchain) --->
Toolchain origin (Pre-installed toolchain) --->
(/opt/linaro/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/) Toolchain path
(arm-linux-gnueabihf) Toolchain prefix
External toolchain gcc version (7.x) --->
External toolchain kernel headers series (4.10.x) --->
External toolchain C library (glibc/eglibc) --->
[*] Toolchain has SSP support?
[*] Toolchain has SSP strong support?
[*] Toolchain has RPC support?
[*] Toolchain has C++ support?
[ ] Toolchain has D support?
[ ] Toolchain has Fortran support?
[ ] Toolchain has OpenMP support?
[ ] Copy gdb server to the Target
*** Host GDB Options ***
...https://stackoverflow.com/questions/70946497
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