==> Updating pacman database cache :: Synchronizing package databases... core downloading... extra downloading... ==> Building p0f -> repo: extra-staging -> arch: aarch64 -> worker: ben-5 ==> Building p0f for [extra-staging] (aarch64) :: Synchronizing package databases... core-staging downloading... core-testing downloading... core downloading... extra-staging downloading... extra-testing downloading... aur downloading... extra downloading... :: Starting full system upgrade... there is nothing to do ==> Building in chroot for [extra-staging] (aarch64)... ==> Synchronizing chroot copy [/var/lib/archbuild/extra-staging-aarch64/root] -> [ben-5]...done ==> Making package: p0f 3.09b-3 (Thu Sep 17 08:20:55 2026) ==> Retrieving sources... -> Downloading p0f-3.09b.tgz... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 0 100 167 0 167 0 0 2429 0 0 100 167 0 167 0 0 2423 0 0 0 0 0 0 0 0 0 0 0 100 92896 100 92896 0 0 112.7k 0 0 100 92896 100 92896 0 0 112.7k 0 0 100 92896 100 92896 0 0 112.7k 0 0 ==> Validating source files with sha512sums... p0f-3.09b.tgz ... Passed ==> Making package: p0f 3.09b-3 (Thu Sep 17 15:21:02 2026) ==> Checking runtime dependencies... ==> Installing missing dependencies... dependencies... looking for conflicting packages... Package (2) New Version Net Change core/libnl 3.12.0-1 5.33 MiB core/libpcap 1.11.0-1 0.69 MiB Total Installed Size: 6.02 MiB :: Proceed with installation? [Y/n] :: Retrieving packages... libnl-3.12.0-1-aarch64 downloading... libpcap-1.11.0-1-aarch64 downloading... checking keyring... checking package integrity... loading package files... checking for file conflicts... :: Processing package changes... installing libnl... installing libpcap... :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate... ==> Checking buildtime dependencies... ==> Retrieving sources... -> Found p0f-3.09b.tgz ==> WARNING: Skipping all source file integrity checks. ==> Extracting sources... -> Extracting p0f-3.09b.tgz with bsdtar ==> Starting prepare()... ==> Starting build()... Welcome to the build script for p0f 3.09b! Copyright (C) 2012 by Michal Zalewski [+] Configuring production build. [*] Checking for a sane build environment... OK [*] Checking for working GCC... OK [*] Checking for *modern* GCC... OK [*] Checking if memory alignment is required... FAIL Well, something went horribly wrong, sorry. Here's the output from GCC: : warning: ‘_FORTIFY_SOURCE’ redefined : note: this is the location of the previous definition .build-1492.c: In function ‘main’: .build-1492.c:2:34: error: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration] 2 | volatile u8 tmp[6]; int main() { printf("%d\n", *(u32*)(tmp+1)); return 0; } | ^~~~~~ .build-1492.c:2:1: note: include ‘’ or provide a declaration of ‘printf’ 1 | #include "types.h" +++ |+#include 2 | volatile u8 tmp[6]; int main() { printf("%d\n", *(u32*)(tmp+1)); return 0; } .build-1492.c:2:34: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch] 2 | volatile u8 tmp[6]; int main() { printf("%d\n", *(u32*)(tmp+1)); return 0; } | ^~~~~~ .build-1492.c:2:34: note: include ‘’ or provide a declaration of ‘printf’ Sorry! You may want to ping about this. make: *** [Makefile:11: all] Error 1 ==> ERROR: A failure occurred in build(). Aborting... ==> ERROR: Build failed, check /var/lib/archbuild/extra-staging-aarch64/ben-5/build