[Buildroot] [git commit] package/openzwave: fix build with gcc 11

[Buildroot] [git commit] package/openzwave: fix build with gcc 11

[Yann E. MORIN]

commit: https://git.buildroot.net/buildroot/commit/?id=c5ca521e232eae31276e7a12d17f0cf9d9c0108f
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Set DEBUG_FLAGS and RELEASE_FLAGS to an empty value to remove -Werror
and fix the following build failure with gcc 11:

/tmp/instance-5/output-1/build/openzwave-62444b0f979c337d2091d77d89cf63c2ae9775cf/cpp/src/command_classes/AssociationCommandConfiguration.cpp: In member function 'virtual bool OpenZWave::Internal::CC::AssociationCommandConfiguration::HandleMsg(const uint8*, uint32, uint32)':
/tmp/instance-5/output-1/build/openzwave-62444b0f979c337d2091d77d89cf63c2ae9775cf/cpp/src/command_classes/AssociationCommandConfiguration.cpp:191:85: error: 'this' pointer is null [-Werror=nonnull]
  191 |                                                                 group->ClearCommands(nodeIdx);
      |                                                                 ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/05ad5cc1f593704ef032f3c5278695247450b94b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
---
 package/openzwave/openzwave.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/package/openzwave/openzwave.mk b/package/openzwave/openzwave.mk
index 357d19f32e..9c28c0a13b 100644
--- a/package/openzwave/openzwave.mk
+++ b/package/openzwave/openzwave.mk
@@ -23,6 +23,7 @@ OPENZWAVE_INSTALL_STAGING = YES
 # the correct directory otherwise openzwave will install configuration files in
 # $(PREFIX)/etc/openzwave.
 # Disable doxygen documentation.
+# Set {DEBUG,RELEASE}_CFLAGS to an empty value to remove -Werror.
 OPENZWAVE_MAKE_OPTS = \
 	CROSS_COMPILE="$(TARGET_CROSS)" \
 	PREFIX=/usr \
@@ -30,6 +31,8 @@ OPENZWAVE_MAKE_OPTS = \
 	pkgconfigdir=/usr/lib/pkgconfig \
 	sysconfdir=/etc/openzwave \
 	DOXYGEN= \
+	DEBUG_CFLAGS= \
+	RELEASE_CFLAGS= \
 	USE_BI_TXML=0
 
 ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
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