Refresh build scripts

Removed Ubuntu 20.04 support from build scripts.
Updated `add-apt-repository` section to current versions.
Unified buildSLT.sh to versions in buildIGC.sh.

Author: michalkr52

scripts/buildIGC.sh

@@ -2,14 +2,14 @@
 
 #=========================== begin_copyright_notice ============================
 #
-# Copyright (C) 2022 Intel Corporation
+# Copyright (C) 2022-2025 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
 #============================ end_copyright_notice =============================
 
 set -e
-# UBUNTU_VERSION   supported value [ 20.04, 22.04, 24.04 ]                                   default 24.04
+# UBUNTU_VERSION   supported value [ 22.04, 24.04 ]                                          default 24.04
 # LLVM_VERSION     supported value [ 14, 15, 16 ]                                            default 16
 # COMPILER         supported value [ gcc, clang ]                                            default gcc
 # OWN_CMAKE_FLAGS  not suported but can be use as WA (each flag should be with -D prefix)    default empty
@@ -52,25 +52,12 @@ apt-get update
 apt-get install -y flex bison libz-dev cmake curl wget build-essential git software-properties-common unzip file lsb-release python3-mako libc6 libstdc++6 libzstd-dev
 echo "[Build Status] flex bison libz-dev cmake curl wget build-essential git software-properties-common unzip file INSTALLED"
 
-if [ "$UBUNTU_VERSION" = "20.04" ]; then
-    echo "[Build Status] Download new cmake version for Ubuntu 20.04";
-    apt-get purge -y --auto-remove cmake
-    wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /etc/apt/trusted.gpg.d/kitware.gpg >/dev/null
-    apt-add-repository "deb https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main"
-    apt-get update
-    apt-get install -y cmake
-fi
-
-if ([ "$UBUNTU_VERSION" = "20.04" ] && [ "$LLVM_VERSION" -ge 14 ]) || ([ "$UBUNTU_VERSION" = "22.04" ] && [ "$LLVM_VERSION" -ge 15 ])
+if ([ "$UBUNTU_VERSION" = "22.04" ] && [ "$LLVM_VERSION" -ge 16 ])
 then
     echo "[Build Status] Retrieve the LLVM archive signature for LLVM $LLVM_VERSION on Ubuntu $UBUNTU_VERSION";
     wget -q https://apt.llvm.org/llvm-snapshot.gpg.key
     apt-key add llvm-snapshot.gpg.key
-    case "$UBUNTU_VERSION" in
-        20.04) OS_HANDLE=focal;;
-        22.04) OS_HANDLE=jammy;;
-    esac
-    add-apt-repository "deb http://apt.llvm.org/$OS_HANDLE/ llvm-toolchain-$OS_HANDLE-$LLVM_VERSION main"
+    add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-$LLVM_VERSION main"
 fi
 
 apt-get install -y llvm-"$LLVM_VERSION" llvm-"$LLVM_VERSION"-dev clang-"$LLVM_VERSION" liblld-"$LLVM_VERSION" liblld-"$LLVM_VERSION"-dev

scripts/buildSLT.sh

@@ -2,29 +2,28 @@
 
 #=========================== begin_copyright_notice ============================
 #
-# Copyright (C) 2022 Intel Corporation
+# Copyright (C) 2022-2025 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
 #============================ end_copyright_notice =============================
 
 set -e
-# UBUNTU_VERSION   supported value [ 20, 22 ]                                                default 20
-# LLVM_VERSION     supported value [ 10, 11, 12, 13, 14, 15]                                 default 11
-# OWN_CMAKE_FLAGS  not suported but can be use as WA (each flag should be with -D prefix)    default empty
-# example run:     UBUNTU_VERSION=ubuntu2004 LLVM_VERSION=11 sh /home/buildSLT.sh
+# UBUNTU_VERSION   supported value [ 22.04, 24.04 ]                                          default 24.04
+# LLVM_VERSION     supported value [ 14, 15, 16 ]                                            default 16
+# example run:     UBUNTU_VERSION=24.04 LLVM_VERSION=16 sh /home/buildSLT.sh
 
 echo "====================BUILD SPIRV-LLVM-Translator========================="
 echo "[Build Status] build script started"
 if [ -z ${UBUNTU_VERSION+x} ]; then
-    echo "[Build Status] UBUNTU_VERSION is unset, use default 20";
-    UBUNTU_VERSION="20.04"
+    echo "[Build Status] UBUNTU_VERSION is unset, use default 24.04";
+    UBUNTU_VERSION="24.04"
 else
     echo "[Build Status] UBUNTU_VERSION = ${UBUNTU_VERSION}"
 fi
 if [ -z ${LLVM_VERSION+x} ]; then
-    echo "[Build Status] LLVM_VERSION is unset, use default 14";
-    LLVM_VERSION="14"
+    echo "[Build Status] LLVM_VERSION is unset, use default 16";
+    LLVM_VERSION="16"
 else
     echo "[Build Status] LLVM_VERSION = ${LLVM_VERSION}"
 fi
@@ -33,25 +32,12 @@ apt-get update
 apt-get install -y flex bison libz-dev cmake curl wget build-essential git software-properties-common unzip lsb-release
 echo "[Build Status] flex bison libz-dev cmake curl wget build-essential git software-properties-common INSTALLED"
 
-if [ "$UBUNTU_VERSION" = "20.04" ]; then
-    echo "[Build Status] Download new cmake version for Ubuntu 20.04";
-    apt-get purge -y --auto-remove cmake
-    wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /etc/apt/trusted.gpg.d/kitware.gpg >/dev/null
-    apt-add-repository "deb https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main"
-    apt-get update
-    apt-get install -y cmake
-fi
-
-if ([ "$UBUNTU_VERSION" = "20.04" ] && [ "$LLVM_VERSION" -ge 14 ]) || ([ "$UBUNTU_VERSION" = "22.04" ] && [ "$LLVM_VERSION" -ge 15 ])
+if ([ "$UBUNTU_VERSION" = "22.04" ] && [ "$LLVM_VERSION" -ge 16 ])
 then
     echo "[Build Status] Retrieve the LLVM archive signature for LLVM $LLVM_VERSION on Ubuntu $UBUNTU_VERSION";
     wget -q https://apt.llvm.org/llvm-snapshot.gpg.key
     apt-key add llvm-snapshot.gpg.key
-    case "$UBUNTU_VERSION" in
-        20.04) OS_HANDLE=focal;;
-        22.04) OS_HANDLE=jammy;;
-    esac
-    add-apt-repository "deb http://apt.llvm.org/$OS_HANDLE/ llvm-toolchain-$OS_HANDLE-$LLVM_VERSION main"
+    add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-$LLVM_VERSION main"
 fi
 
 apt-get install -y llvm-"$LLVM_VERSION" llvm-"$LLVM_VERSION"-dev clang-"$LLVM_VERSION" liblld-"$LLVM_VERSION" liblld-"$LLVM_VERSION"-dev