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Some of the powerpc CPUs supported by Buildroot are dual mode CPUs, which means 32 Bit and 64 Bit mode is supported, and for any 64-bit capable CPU, GCC defaults to using 64-bit, even if the toolchain tuple starts with powerpc-* (and not powerpc64-*). This causes issues when building toolchains with uClibc or musl. In order to resolve this, we force GCC to understand we want to generate 32-bit code, using the --with-cpu-32 option. See here the gcc documentation for details about --with-cpu-32: https://gcc.gnu.org/install/configure.html See here for a discussion on the musl mailinglist about the error: https://inbox.vuxu.org/musl/20220722162900.GB1320090@port70.net/ Fixes: - http://autobuild.buildroot.net/results/450/4509d8cfb7d99beb4ef023f170490def1d90f92c - http://autobuild.buildroot.net/results/654/6545a464d49f9f3c6740a5208cfad7f09ec4cb8b - http://autobuild.buildroot.net/results/cf8/cf866d5320b069eb1e8b4f05e8e58de0ad2ec7b5 Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> |
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| arch | ||
| board | ||
| boot | ||
| configs | ||
| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .checkpackageignore | ||
| .clang-format | ||
| .defconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| .shellcheckrc | ||
| CHANGES | ||
| Config.in | ||
| Config.in.legacy | ||
| COPYING | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.legacy | ||
| README | ||
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches