From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 5 Jul 2021 23:17:11 +0000 (+1000)
Subject: do_build: suppress some ABI warnings in the perf build
X-Git-Url: https://git.ozlabs.org/?a=commitdiff_plain;h=1fab4a50f4e2f6726480571e75c1b936792ec7da;p=next-scripts

do_build: suppress some ABI warnings in the perf build

also update the section mismatch pattern
---

diff --git a/do_build b/do_build
index 9aede13..a898bba 100755
--- a/do_build
+++ b/do_build
@@ -39,7 +39,7 @@ log_regex='/^[[:space:]]+$/d
 /^System is [[:digit:]]+ kB$/d
 /^CRC [[:xdigit:]]+$/d
 /^Kernel: arch\/x86\/boot\/bzImage is ready  \(#[[:digit:]]+\)$/d
-s/^(WARNING: (drivers\/built-in|vmlinux)\.o\(\.(data|text)\+0x)[[:xdigit:]]+(\): Section mismatch in reference from .*)$/\1XXXX\4/
+s/^(WARNING: (modpost: )?(drivers\/built-in|vmlinux)\.o\(\.[^+]*\+0x)[[:xdigit:]]+(\): Section mismatch in reference from .*)$/\1XXXX\4/
 /^Warning: Kernel ABI header at /d
 /^[[:space:]]+PERF_VERSION = /d
 s/^(Parsed description of) [[:digit:]]+ (helper function)/\1 X \2/
@@ -115,7 +115,10 @@ $cmd <<-EOF
 	d="$bparent/perf"
 	[ -d \$d ] || mkdir \$d || exit 1
 	log_perf=\$d.log
-	/usr/bin/time make -C tools/perf -f Makefile.perf -s -O -j40 O=\$d > \$log_perf 2>&1
+	# the -Wno-psabi is to suppress
+	#	note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5
+	# warnings until at least gcc 12 when the warning will be removed
+	/usr/bin/time make -C tools/perf -f Makefile.perf -s -O -j40 O=\$d EXTRA_CFLAGS=-Wno-psabi > \$log_perf 2>&1
 	rc=\$?
 
 	if [ \$rc -ne 0 ]; then