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#!/bin/bash
# Check if GCC is installed
check_gcc() {
if ! [ -x "$(command -v gcc)" ]; then
# Display error message if GCC is not installed
echo "Error: GCC is not installed. Please install GCC and try again." >&2
exit 1
fi
}
# Call the function before running the rest of the script
check_gcc
# Get CPU type from GCC and convert to uppercase
MARCH=$(gcc -Q -march=native --help=target|grep -m1 march=|awk '{print toupper($2)}')
# Check for specific CPU types and set MARCH variable accordingly
case $MARCH in
ZNVER1) MARCH="ZEN";;
ZNVER2) MARCH="ZEN2";;
ZNVER3) MARCH="ZEN3";;
ZNVER4) MARCH="ZEN4";;
BDVER1) MARCH="BULLDOZER";;
BDVER2) MARCH="PILEDRIVER";;
BDVER3) MARCH="STEAMROLLER";;
BDVER4) MARCH="EXCAVATOR";;
BTVER1) MARCH="BOBCAT";;
BTVER2) MARCH="JAGUAR";;
AMDFAM10) MARCH="MK10";;
K8-SSE3) MARCH="K8SSE3";;
BONNELL) MARCH="ATOM";;
GOLDMONT-PLUS) MARCH="GOLDMONTPLUS";;
SKYLAKE-AVX512) MARCH="SKYLAKEX";;
MIVYBRIDGE)
scripts/config --disable CONFIG_AGP_AMD64
scripts/config --disable CONFIG_MICROCODE_AMD
MARCH="MIVYBRIDGE";;
ICELAKE-CLIENT) MARCH="ICELAKE";;
esac
# Add "M" prefix to MARCH variable
MARCH2=M${MARCH}
# Display detected CPU and apply optimization
echo "----------------------------------"
echo "| APPLYING AUTO-CPU-OPTIMIZATION |"
echo "----------------------------------"
echo "[*] DETECTED CPU (MARCH) : ${MARCH2}"
scripts/config -k --disable CONFIG_GENERIC_CPU
scripts/config -k --enable CONFIG_${MARCH2}
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