tools/llvm-bpf: filter out STAGING_DIR_HOST/include from cflags on non-linux systems

Avoids picking up an incompatible libuuid from util-linux

Signed-off-by: Felix Fietkau <nbd@nbd.name>

tools/llvm-bpf/Makefile

@@ -22,6 +22,11 @@ CMAKE_SOURCE_SUBDIR := llvm
 include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/cmake.mk
 
+ifneq ($(HOST_OS),Linux)
+  HOST_CFLAGS := $(filter-out -I$(STAGING_DIR_HOST)/include,$(HOST_CFLAGS))
+  HOST_CXXFLAGS := $(filter-out -I$(STAGING_DIR_HOST)/include,$(HOST_CXXFLAGS))
+endif
+
 LLVM_BPF_PREFIX = llvm-bpf-$(PKG_VERSION).$(HOST_OS)-$(HOST_ARCH)
 
 CMAKE_HOST_INSTALL_PREFIX = $(STAGING_DIR_HOST)/$(LLVM_BPF_PREFIX)