tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: df8d11fbcbb07177c2500e63d7f5a36063977596 commit: 61d47c4e71c1f080e7412315c8685bc682a8e53a [1941/1941] proc: test /proc/self symlink config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251212/202512121121.OF881GoG-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512121121.OF881GoG-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512121121.OF881GoG-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

proc-loadavg-001.c:17:9: warning: '_GNU_SOURCE' redefined 17 | #define _GNU_SOURCE | ^~~~~~~~~~~ <command-line>: note: this is the location of the previous definition proc-loadavg-001.c:18:10: fatal error: errno.h: No such file or directory 18 | #include <errno.h> | ^~~~~~~~~ compilation terminated. -- proc-self-syscall.c:16:9: warning: '_GNU_SOURCE' redefined 16 | #define _GNU_SOURCE | ^~~~~~~~~~~ <command-line>: note: this is the location of the previous definition proc-self-syscall.c:17:10: fatal error: unistd.h: No such file or directory 17 | #include <unistd.h> | ^~~~~~~~~~ compilation terminated. -- proc-uptime-002.c:18:9: warning: '_GNU_SOURCE' redefined 18 | #define _GNU_SOURCE | ^~~~~~~~~~~ <command-line>: note: this is the location of the previous definition proc-uptime-002.c:20:10: fatal error: assert.h: No such file or directory 20 | #include <assert.h> | ^~~~~~~~~~ compilation terminated.

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