57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
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#! /bin/bash
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# This is a list of toolchain-dependent configs. That is: only those which
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# change .config when gcc, ld, or similar changes.
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#
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# please keep them sorted alphabetically
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declare -a IGNORED_CONFIGS_RE=(
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'AS_HAS_[A-Z0-9_]*'
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'AS_VERSION'
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'AS_WRUSS' # x86_32
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'BUILTIN_RETURN_ADDRESS_STRIPS_PAC'
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'CC_CAN_[A-Z_]*'
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'CC_HAS_[A-Z_]*'
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'CC_HAVE_[A-Z_]*'
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'CC_VERSION_TEXT'
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'DYNAMIC_SIGFRAME'
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'FTRACE_MCOUNT_USE_[A-Z_]*'
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'GCC_VERSION'
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'G*CC[0-9]*_NO_[A-Z_]*'
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'HAVE_[A-Z]*_COMPILER'
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'HAVE_SHADOW_CALL_STACK'
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'LD_VERSION'
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'OBJTOOL'
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'PAHOLE_HAS_[A-Z0-9_]*'
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'PAHOLE_VERSION'
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'RISCV_ISA_[A-Z_]*'
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'TOOLCHAIN_HAS_[A-Z_]*'
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'TOOLCHAIN_NEEDS_[A-Z_]*'
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'TOOLS_SUPPORT_[A-Z_]*'
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)
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declare -a SED_ARGS=()
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for CONFIG in "${IGNORED_CONFIGS_RE[@]}"; do
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SED_ARGS+=(-e "/\\<CONFIG_$CONFIG\\>/ d")
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done
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SED_ARGS+=(
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-e '/^# .* is not set$/p'
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-e '/^$\|^#/d'
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)
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differences="$(
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diff -bU0 <(sed "${SED_ARGS[@]}" "$1" | sort) \
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<(sed "${SED_ARGS[@]}" "$2" | sort) \
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| grep '^[-+][^-+]'
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)" || true
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if [ -n "$differences" ]; then
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echo
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echo "Changes after running \`make oldconfig':"
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echo "$differences"
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echo
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if echo "$differences" | grep -q '^+' ; then
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exit 1
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fi
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fi
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