[Buildroot] [git commit branch/2022.02.x] package/syslog-ng: work around gcc bug 101915

[Buildroot] [git commit branch/2022.02.x] package/syslog-ng: work around gcc bug 101915

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=a484b3d95084075cc79657ed5950a576e7312b62
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.02.x

With Microblaze Gcc version 12.1.0 the build fails due to gcc bug
101915: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101915. The bug
show up when building syslog-ng with optimization but not when building
with -O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_101915=y,
we force using -O0.

Fixes:
http://autobuild.buildroot.net/results/b57/b57d51ed320a8e1bbfcf8d44875c113d868f82ee/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 2dc8b0dd7432480082e02e0b186476108728fb8b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 package/syslog-ng/syslog-ng.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/syslog-ng/syslog-ng.mk b/package/syslog-ng/syslog-ng.mk
index c05ec9785c..80cb270501 100644
--- a/package/syslog-ng/syslog-ng.mk
+++ b/package/syslog-ng/syslog-ng.mk
@@ -17,6 +17,13 @@ SYSLOG_NG_DEPENDENCIES = host-bison host-flex host-pkgconf \
 SYSLOG_NG_AUTORECONF = YES
 SYSLOG_NG_CONF_OPTS = --disable-manpages --localstatedir=/var/run \
 	--disable-java --disable-java-modules --disable-mongodb
+SYSLOG_NG_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_101915),y)
+SYSLOG_NG_CFLAGS += -O0
+endif
+
+SYSLOG_NG_CONF_ENV = CFLAGS="$(SYSLOG_NG_CFLAGS)"
 
 ifeq ($(BR2_PACKAGE_GEOIP),y)
 SYSLOG_NG_DEPENDENCIES += geoip
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