generic: interface mode switch for RTL8221B PHY

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

diff --git a/include/bpf.mk b/include/bpf.mk
index 411763c4a20f3860f93b98ca67537b1b17a150f5..ec3f04e1e9e16994df99738751d84ec21ad64868 100644 (file)
--- a/include/bpf.mk
+++ b/include/bpf.mk
@@ -10,7 +10,7 @@ ifneq ($(CONFIG_USE_LLVM_HOST),)
   else
     BPF_PATH:=$(PATH)
   endif
-  CLANG:=$(firstword $(shell PATH='$(BPF_PATH)' which clang clang-13 clang-12 clang-11))
+  CLANG:=$(firstword $(shell PATH='$(BPF_PATH)' command -v clang clang-13 clang-12 clang-11))
   LLVM_VER:=$(subst clang,,$(notdir $(CLANG)))
 endif
 ifneq ($(CONFIG_USE_LLVM_PREBUILT),)
@@ -63,20 +63,22 @@ BPF_CFLAGS := \
        -Wno-unused-label \
        -O2 -emit-llvm -Xclang -disable-llvm-passes
 
-ifeq ($(DUMP),)
+ifneq ($(CONFIG_HAS_BPF_TOOLCHAIN),)
+ifeq ($(DUMP)$(filter download refresh,$(MAKECMDGOALS)),)
   CLANG_VER:=$(shell $(CLANG) -dM -E - < /dev/null | grep __clang_major__ | cut -d' ' -f3)
   CLANG_VER_VALID:=$(shell [ "$(CLANG_VER)" -ge "$(CLANG_MIN_VER)" ] && echo 1 )
   ifeq ($(CLANG_VER_VALID),)
     $(error ERROR: LLVM/clang version too old. Minimum required: $(CLANG_MIN_VER), found: $(CLANG_VER))
   endif
 endif
+endif
 
 define CompileBPF
        $(CLANG) -g -target $(BPF_ARCH)-linux-gnu $(BPF_CFLAGS) $(2) \
                -c $(1) -o $(patsubst %.c,%.bc,$(1))
        $(LLVM_OPT) -O2 -mtriple=$(BPF_TARGET) < $(patsubst %.c,%.bc,$(1)) > $(patsubst %.c,%.opt,$(1))
        $(LLVM_DIS) < $(patsubst %.c,%.opt,$(1)) > $(patsubst %.c,%.S,$(1))
-       $(LLVM_LLC) -march=$(BPF_TARGET) -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
+       $(LLVM_LLC) -march=$(BPF_TARGET) -mcpu=v3 -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
        $(CP) $(patsubst %.c,%.o,$(1)) $(patsubst %.c,%.debug.o,$(1))
        $(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(1))
 endef