[Buildroot] [git commit] package/fwts: fix build with BR2_OPTIMIZE_0

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=4a239f14efdd4eb0fcbf89d403cde4dd31205a41
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Fixes:
http://autobuild.buildroot.net/results/fab/fabd031d38cb618cdb11b4a86cd853b0da61695b/

Signed-off-by: Bernd Kuhls <bernd at kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 package/fwts/fwts.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/fwts/fwts.mk b/package/fwts/fwts.mk
index f04c7a848f..3af54a1afd 100644
--- a/package/fwts/fwts.mk
+++ b/package/fwts/fwts.mk
@@ -15,6 +15,10 @@ FWTS_DEPENDENCIES = host-bison host-flex host-pkgconf libglib2 libbsd \
 	$(if $(BR2_PACKAGE_BASH_COMPLETION),bash-completion) \
 	$(if $(BR2_PACKAGE_DTC),dtc)
 
+ifeq ($(BR2_OPTIMIZE_0),y)
+FWTS_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -O1"
+endif
+
 ifeq ($(BR2_PACKAGE_FWTS_EFI_RUNTIME_MODULE),y)
 FWTS_MODULE_SUBDIRS = efi_runtime
 $(eval $(kernel-module))