twmic你好，嘗試依序執行以下指令:

Code:
git clone https://github.com/linux4sam/buildroot-at91.git
git clone https://github.com/linux4microchip/buildroot-external-microchip.git

cd buildroot-external-microchip/
git checkout linux4microchip-2022.10 -b buildroot-external-microchip-linux4microchip-2022.10
mkdir -p ./patches/linux
cp ~/0000_linux_hobby_gpio.patch  ./patches/linux

cd ../buildroot-at91/
git checkout linux4sam-2022.10 -b buildroot-at91-linux4sam-2022.10

BR2_EXTERNAL=../buildroot-external-microchip/ make sam9x60_curiosity_headless_defconfig

make

KevinLu 您好!
我重新git clone一遍，然後在buildroot-external-microchip/patches/linux 資料夾只放入您附上的0000_linux_hobby_gpio.patch檔案
重新 make 還是錯誤!
錯誤訊息如下:
onst-call.TPo ../../gcc/fold-const-call.c
during GIMPLE pass: ccp
../../gcc/final.c: In function ‘void cleanup_subreg_operands(rtx_insn*)’:
../../gcc/final.c:5035:1: internal compiler error: Segmentation fault
5035 | }
| ^
0x7fd5cda5b08f ???
/build/glibc-SzIz7B/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x7fd5cda3c082 __libc_start_main
../csu/libc-start.c:308
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-9/README.Bugs> for instructions.
make[4]: *** [Makefile:1117: final.o] Error 1
make[4]: *** Waiting for unfinished jobs....
rm gcc.pod
make[3]: *** [Makefile:4396: all-gcc] Error 2
make[2]: *** [Makefile:959: all] Error 2
make[1]: *** [package/pkg-generic.mk:293: /home/vm/opt/buildroot-at91/output/build/host-gcc-final-10.3.0/.stamp_built] Error 2
make: *** [Makefile:84: _all] Error 2

謝謝!

twmic你好，請嘗試移除之前添加的檔案並使用附件中的檔案來重新測試。

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參加12/28日的eLNX001 Linux eRTC 線上課程，學會了如何編譯程式來控制Hobby kit的GPIO
也試著Build Hobby kit 的sdcard.img
按照 Patch 網頁的說明步驟來build會出現錯誤，錯誤訊息如下
Applying 0000_sam9x60_hobby_buildroot_external.patch using patch:
patching file board/microchip/sam9x60_hobby/genimage.cfg
patching file board/microchip/sam9x60_hobby/linux.config
patching file board/microchip/sam9x60_hobby/uboot-env.txt
patching file board/microchip/sama5/fs-overlay/etc/init.d/S99test
File board/microchip/sama5/fs-overlay/root/key_test: git binary diffs are not supported.
patching file board/microchip/sama5/fs-overlay/root/start_wilc.sh
patching file configs/sam9x60_hobby_graphics_defconfig
patching file patches/dt-overlay-mchp/0001_sam9x60_hobby_dtoverlay.patch
patching file patches/linux/0000_sam9x60_hobby_linux.patch
make[1]: *** [package/pkg-generic.mk:252: /home/vm/opt/buildroot-at91/output/build/linux-headers-custom/.stamp_patched] Error 1
make: *** [Makefile:84: _all] Error 2
vm@vm-machine:~/opt/buildroot-at91$

不知問題如何解決?
如果不把patch 的6個files檔案複製到buildroot-external-microchip/patches/linux目錄下
就可以成功 build 出sdcard.img 出來，但燒錄到microsd無法開機
想請問其中一個檔名0000_sam9x60_hobby_linux_dt.oatch，這檔名是正確的嗎?(副檔名是.oatch，為什麼不是.patch?)
謝謝!