2024-05-28 00:49:36 +00:00
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From a7ae4ed0a3951c45d4a59ee575951b64ae4a23fb Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Tue, 7 May 2024 12:22:15 +0200
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Subject: [PATCH] kernel: fix tools build breakage on macos with x86
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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2024-05-07 10:22:15 +00:00
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--- a/tools/scripts/Makefile.include
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+++ b/tools/scripts/Makefile.include
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@@ -72,8 +72,6 @@ $(call allow-override,CXX,$(CROSS_COMPIL
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$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
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endif
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-CC_NO_CLANG := $(shell $(CC) -dM -E -x c /dev/null | grep -Fq "__clang__"; echo $$?)
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-
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ifneq ($(LLVM),)
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HOSTAR ?= $(LLVM_PREFIX)llvm-ar$(LLVM_SUFFIX)
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HOSTCC ?= $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
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@@ -84,6 +82,9 @@ HOSTCC ?= gcc
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HOSTLD ?= ld
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endif
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+CC_NO_CLANG := $(shell $(CC) -dM -E -x c /dev/null | grep -Fq "__clang__"; echo $$?)
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+HOSTCC_NO_CLANG := $(shell $(HOSTCC) -dM -E -x c /dev/null | grep -Fq "__clang__"; echo $$?)
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+
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# Some tools require Clang, LLC and/or LLVM utils
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CLANG ?= clang
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LLC ?= llc
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@@ -92,8 +93,9 @@ LLVM_OBJCOPY ?= llvm-objcopy
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LLVM_STRIP ?= llvm-strip
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ifeq ($(CC_NO_CLANG), 1)
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-EXTRA_WARNINGS += -Wstrict-aliasing=3
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-
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+ ifeq ($(HOSTCC_NO_CLANG), 1)
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+ EXTRA_WARNINGS += -Wstrict-aliasing=3
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+ endif
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else ifneq ($(CROSS_COMPILE),)
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# Allow userspace to override CLANG_CROSS_FLAGS to specify their own
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# sysroots and flags or to avoid the GCC call in pure Clang builds.
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--- a/tools/include/linux/types.h
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+++ b/tools/include/linux/types.h
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@@ -56,6 +56,7 @@ typedef __s8 s8;
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#define __user
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#endif
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#define __must_check
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+#undef __cold
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#define __cold
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typedef __u16 __bitwise __le16;
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--- a/tools/objtool/include/objtool/objtool.h
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+++ b/tools/objtool/include/objtool/objtool.h
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@@ -12,6 +12,7 @@
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#include <objtool/elf.h>
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+#undef __weak
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#define __weak __attribute__((weak))
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struct pv_state {
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--- a/tools/include/asm-generic/bitops/fls.h
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+++ b/tools/include/asm-generic/bitops/fls.h
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@@ -2,6 +2,8 @@
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#ifndef _ASM_GENERIC_BITOPS_FLS_H_
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#define _ASM_GENERIC_BITOPS_FLS_H_
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+#include <string.h>
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+
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/**
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* fls - find last (most-significant) bit set
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* @x: the word to search
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@@ -10,6 +12,7 @@
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* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
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*/
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+#define fls __linux_fls
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static __always_inline int fls(unsigned int x)
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{
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int r = 32;
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--- a/tools/lib/string.c
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+++ b/tools/lib/string.c
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@@ -96,6 +96,7 @@ int strtobool(const char *s, bool *res)
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* If libc has strlcpy() then that version will override this
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* implementation:
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*/
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+#ifndef __APPLE__
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wignored-attributes"
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@@ -114,6 +115,7 @@ size_t __weak strlcpy(char *dest, const
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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+#endif
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/**
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* skip_spaces - Removes leading whitespace from @str.
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