The test code in scripts/test_dwarf5_support.sh is somewhat difficult to understand, but after all, we want to check binutils >= 2.35.2 >From the former discussion, the requrement for generating DRAWF v5 from C code is as follows: - gcc + binutils as -> requires gcc 5.0+ (but 7.0+ for full support) - clang + binutils as -> requires binutils 2.35.2+ - clang + integrated as -> OK Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> --- lib/Kconfig.debug | 3 +-- scripts/test_dwarf5_support.sh | 8 -------- 2 files changed, 1 insertion(+), 10 deletions(-) delete mode 100755 scripts/test_dwarf5_support.sh diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 2779c29d9981..f3337a38925d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -284,8 +284,7 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_DWARF5 bool "Generate DWARF Version 5 debuginfo" - depends on GCC_VERSION >= 50000 || CC_IS_CLANG - depends on CC_IS_GCC || $(success,$(srctree)/scripts/test_dwarf5_support.sh $(CC) $(CLANG_FLAGS)) + depends on GCC_VERSION >= 50000 || (CC_IS_CLANG && AS_IS_GNU && AS_VERSION >= 23502) || (CC_IS_CLANG && AS_IS_LLVM) depends on !DEBUG_INFO_BTF help Generate DWARF v5 debug info. Requires binutils 2.35.2, gcc 5.0+ (gcc diff --git a/scripts/test_dwarf5_support.sh b/scripts/test_dwarf5_support.sh deleted file mode 100755 index c46e2456b47a..000000000000 --- a/scripts/test_dwarf5_support.sh +++ /dev/null @@ -1,8 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -# Test that the assembler doesn't need -Wa,-gdwarf-5 when presented with DWARF -# v5 input, such as `.file 0` and `md5 0x00`. Should be fixed in GNU binutils -# 2.35.2. https://sourceware.org/bugzilla/show_bug.cgi?id=25611 -echo '.file 0 "filename" md5 0x7a0b65214090b6693bd1dc24dd248245' | \ - $* -gdwarf-5 -Wno-unused-command-line-argument -c -x assembler -o /dev/null - -- 2.27.0
