From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 8 Jul 2026 13:50:26 +0000 (+0000)
Subject: make.sh: Improve CPU core count detection
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d63331e5c04b050b47df90153b6bafb9fc720641;p=ipfire-2.x.git

make.sh: Improve CPU core count detection

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/make.sh b/make.sh
index b060bfbdf..48e6d90cd 100755
--- a/make.sh
+++ b/make.sh
@@ -152,7 +152,12 @@ find_base() {
 }
 
 system_processors() {
-	getconf _NPROCESSORS_ONLN 2>/dev/null || echo "1"
+	# On some systems, the build system might run in a CPU affinity group
+	# which means that some CPUs are not available to be used. getconf will
+	# however report the total number which launches more processes than
+	# we want. nproc gets this right (without --all) so we will prefer
+	# nproc, but fall back to getconf.
+	nproc 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null || echo "1"
 }
 
 system_memory() {