[buildroot] do not pass optimization flags in HOST_CPPFLAGS (#12153)

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index b7bad1c..995852e 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -173,7 +173,8 @@ PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 export PKG_CONFIG
 
 HOSTCC:=gcc
-HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
+HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
+HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 
 TARGET_CC:=$(TARGET_CROSS)gcc