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Use with caution in scripts. libdwarf-dev/noble-apps-security,now 20210528-1ubuntu0.24.04.1~esm1 amd64 [installed] miguel@miguel-linux:~/git/kernels/staging$ apt list --installed | grep libelf-dev WARNING: apt does not have a stable CLI interface. Use with caution in scripts. libelf-dev/noble-updates,noble-security,now 0.190-1.1ubuntu0.1 amd64 [installed] miguel@miguel-linux:~/git/kernels/staging$ Thanks, Miguel El mié, 17 sept 2025 a las 20:54, Erick Karanja () escribió: On Wed, 2025-09-17 at 18:25 -0700, Miguel Rodríguez wrote: > Hi there, I am following this tutorial > https://kernelnewbies.org/OutreachyfirstpatchSetup > > When running the step "Building the kernel", I am getting the error: > > HOSTCC scripts/gendwarfksyms/gendwarfksyms.o > In file included from scripts/gendwarfksyms/gendwarfksyms.c:12: > scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: dwarf.h: No > such file or directory > 6 | #include > | ^~~~~~~~~ > compilation terminated. > make[3]: *** [scripts/Mak > > > Can anyone help me know why it is failing? Hello, have you installed this libraries libdwarf-dev and libelf-dev? > I am using Ubuntu: > $ uname -a > Linux miguel-linux 6.14.0-29-generic #29~24.04.1-Ubuntu SMP > PREEMPT_DYNAMIC Thu Aug 14 16:52:50 UTC 2 x86_64 x86_64 x86_64 > GNU/Linux > > > > Thank you, > Miguel > >