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50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
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From e2d8eae9477f6ba41ab75ad77202f235e34c04f7 Mon Sep 17 00:00:00 2001
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From: Andre Heider <a.heider@gmail.com>
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Date: Wed, 18 Jan 2023 22:30:23 +0100
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Subject: [PATCH] lib: allow overwriting -W* flags via BPF_CFLAGS
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The bpf header file situation is a mess, and the default warning
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compiler flags may not be suitable everywhere, especially with -Werror
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in the mix.
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Move BPF_CFLAGS further down, so these can be overwritten by builders.
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Signed-off-by: Andre Heider <a.heider@gmail.com>
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---
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lib/common.mk | 2 +-
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lib/libxdp/Makefile | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/lib/common.mk
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+++ b/lib/common.mk
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@@ -108,12 +108,12 @@ $(XDP_OBJ): %.o: %.c $(KERN_USER_H) $(EX
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$(QUIET_CLANG)$(CLANG) -S \
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-target $(BPF_TARGET) \
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-D __BPF_TRACING__ \
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- $(BPF_CFLAGS) \
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-Wall \
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-Wno-unused-value \
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-Wno-pointer-sign \
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-Wno-compare-distinct-pointer-types \
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-Werror \
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+ $(BPF_CFLAGS) \
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-O2 -emit-llvm -c -g -o ${@:.o=.ll} $<
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$(QUIET_LLC)$(LLC) -march=$(BPF_TARGET) -filetype=obj -o $@ ${@:.o=.ll}
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--- a/lib/libxdp/Makefile
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+++ b/lib/libxdp/Makefile
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@@ -139,12 +139,12 @@ $(XDP_OBJS): %.o: %.c $(BPF_HEADERS) $(L
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$(QUIET_CLANG)$(CLANG) -S \
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-target $(BPF_TARGET) \
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-D __BPF_TRACING__ \
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- $(BPF_CFLAGS) \
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-Wall \
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-Wno-unused-value \
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-Wno-pointer-sign \
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-Wno-compare-distinct-pointer-types \
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-Werror \
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+ $(BPF_CFLAGS) \
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-O2 -emit-llvm -c -g -o ${@:.o=.ll} $<
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$(QUIET_LLC)$(LLC) -march=$(BPF_TARGET) -filetype=obj -o $@ ${@:.o=.ll}
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