bpf: fix broken inclusion of system include

[openwrt/staging/nbd.git] / include / bpf.mk

diff --git a/include/bpf.mk b/include/bpf.mk
index a3357f0e297f08b88b54c120d7f8298c731ac82c..9abc6601232c0f5f2d49dc1d35dee0d30e777c2f 100644 (file)
--- a/include/bpf.mk
+++ b/include/bpf.mk
@@ -33,7 +33,7 @@ BPF_TARGET:=bpf$(if $(CONFIG_BIG_ENDIAN),eb,el)
 BPF_HEADERS_DIR:=$(STAGING_DIR)/bpf-headers
 
 BPF_KERNEL_INCLUDE := \
-       -nostdinc -isystem $(TOOLCHAIN_INC_DIRS) \
+       -nostdinc $(patsubst %,-isystem %,$(TOOLCHAIN_INC_DIRS)) \
        -I$(BPF_HEADERS_DIR)/arch/$(BPF_KARCH)/include \
        -I$(BPF_HEADERS_DIR)/arch/$(BPF_KARCH)/include/asm/mach-generic \
        -I$(BPF_HEADERS_DIR)/arch/$(BPF_KARCH)/include/generated \