diff --git a/.github/scripts/install_linux.sh b/.github/scripts/install_linux.sh
deleted file mode 100755
index c39b0a5..0000000
--- a/.github/scripts/install_linux.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-
-# SPDX-FileCopyrightText: 2020 Intel Corporation
-#
-# SPDX-License-Identifier: MIT
-
-URL=$1
-COMPONENTS=$2
-
-curl --output webimage.sh --url "$URL" --retry 5 --retry-delay 5
-chmod +x webimage.sh
-./webimage.sh -x -f webimage_extracted --log extract.log
-rm -rf webimage.sh
-WEBIMAGE_NAME=$(ls -1 webimage_extracted/)
-if [ -z "$COMPONENTS" ]; then
-  sudo webimage_extracted/"$WEBIMAGE_NAME"/bootstrapper -s --action install --eula=accept --log-dir=.
-  installer_exit_code=$?
-else
-  sudo webimage_extracted/"$WEBIMAGE_NAME"/bootstrapper -s --action install --components="$COMPONENTS" --eula=accept --log-dir=.
-  installer_exit_code=$?
-fi
-rm -rf webimage_extracted
-exit $installer_exit_code
diff --git a/.github/scripts/install_macos.sh b/.github/scripts/install_macos.sh
deleted file mode 100755
index 9c24601..0000000
--- a/.github/scripts/install_macos.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-
-# SPDX-FileCopyrightText: 2022 Intel Corporation
-#
-# SPDX-License-Identifier: MIT
-
-URL=$1
-COMPONENTS=$2
-
-curl --output webimage.dmg --url "$URL" --retry 5 --retry-delay 5
-hdiutil attach webimage.dmg
-if [ -z "$COMPONENTS" ]; then
-  sudo /Volumes/"$(basename "$URL" .dmg)"/bootstrapper.app/Contents/MacOS/bootstrapper -s --action install --eula=accept --log-dir=.
-  installer_exit_code=$?
-else
-  sudo /Volumes/"$(basename "$URL" .dmg)"/bootstrapper.app/Contents/MacOS/bootstrapper -s --action install --components="$COMPONENTS" --eula=accept --log-dir=.
-  installer_exit_code=$?
-fi
-hdiutil detach /Volumes/"$(basename "$URL" .dmg)" -quiet
-exit $installer_exit_code
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b4dbfa..195fc5c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,37 +1,36 @@
-name: CI
+name: ARCHDefs
 on:
   push:
     branches:
       - master
-      - main
   pull_request:
     types: [opened, synchronize, reopened]
 jobs:
   build:
-    name: SIFDecode ${{ matrix.os }} ${{ matrix.compiler }}
+    name: SIFDecode/${{ matrix.os }}/${{ matrix.compiler }}-v${{ matrix.version }}
     strategy:
       fail-fast: false
       matrix:
         include:
           - os: ubuntu-latest
-            compiler: gnu
-            input: '1\n1\nn\n1'
+            compiler: gcc
+            version: '12'
+            input: '1\n1\nN1\nNyy'
             arch: 'pc64.lnx.gfo'
           - os: macos-latest
-            compiler: gnu
-            input: '2\nn\n4'
+            compiler: gcc
+            version: '12'
+            input: '2\nN1\nNyy'
             arch: 'mac64.osx.gfo'
           - os: ubuntu-latest
-            compiler: intel
-            input: '1\n1\nn\n2\nn\ny'
-            hpckit: 'https://registrationcenter-download.intel.com/akdlm/irc_nas/18975/l_HPCKit_p_2022.3.1.16997_offline.sh'
-            script: 'install_linux.sh'
+            compiler: intel-classic
+            version: '2021.10'
+            input: '1\n1\nN2\nNyy'
             arch: 'pc64.lnx.ifr'
           - os: macos-latest
-            compiler: intel
-            input: '2\nn\n2\nn\ny'
-            hpckit: 'https://registrationcenter-download.intel.com/akdlm/irc_nas/18977/m_HPCKit_p_2022.3.1.15344_offline.dmg'
-            script: 'install_macos.sh'
+            compiler: intel-classic
+            version: '2021.10'
+            input: '2\nN2\nNyy'
             arch: 'mac64.osx.ifr'
     runs-on: ${{ matrix.os }}
     env:
@@ -39,11 +38,8 @@ jobs:
       SIFDECODE: ${{ github.workspace }}
       MASTSIF: ${{ github.workspace }}/sif
     steps:
-      - name: Set up Homebrew
-        if: matrix.compiler == 'gnu'
-        uses: Homebrew/actions/setup-homebrew@master
-      - name: Check out
-        uses: actions/checkout@v3
+      - name: Checkout SIFDecode
+        uses: actions/checkout@v4
       - name: Download ARCHDefs
         id: download-archdefs
         uses: robinraju/release-downloader@v1.5
@@ -56,25 +52,27 @@ jobs:
         run: |
           tar zxf ARCHDefs-${{ steps.download-archdefs.outputs.tag_name }}.tar.gz
           mv ralna-ARCHDefs-* ARCHDefs
-      - name: Install GNU C and Fortran compilers
-        if: matrix.compiler == 'gnu'
+      - name: Install compilers
+        uses: fortran-lang/setup-fortran@main
+        with:
+          compiler: ${{ matrix.compiler }}
+          version: ${{ matrix.version }}
+      - name: Build
         run: |
-          brew update
-          eval $(brew shellenv)
-          brew install gcc
-      - name: Install Intel OneAPI C and Fortran compilers
-        if: matrix.compiler == 'intel'
+          cd $SIFDECODE
+          printf "${{ matrix.input }}" > install_config
+          ./install_sifdecode < install_config
+      - name: Test
         run: |
-          .github/scripts/${{ matrix.script }} "${{ matrix.hpckit }}" all
+          $SIFDECODE/bin/sifdecoder --help
+          $SIFDECO: ${{ matrix.version }}
       - name: Build
         run: |
-          [[ "${{ matrix.compiler }}" == "intel" ]] && source /opt/intel/oneapi/setvars.sh
           cd $SIFDECODE
           printf "${{ matrix.input }}" > install_config
           ./install_sifdecode < install_config
       - name: Test
         run: |
-          [[ "${{ matrix.compiler }}" == "intel" ]] && source /opt/intel/oneapi/setvars.sh
           $SIFDECODE/bin/sifdecoder --help
           $SIFDECODE/bin/sifdecoder -A ${{ matrix.arch }} ROSENBR.SIF
           # check that all output files exist (EXTER.f may not exist)
diff --git a/.github/workflows/meson.yml b/.github/workflows/meson.yml
index ce910ab..3b98a88 100644
--- a/.github/workflows/meson.yml
+++ b/.github/workflows/meson.yml
@@ -7,31 +7,27 @@ on:
     types: [opened, synchronize, reopened]
 jobs:
   build:
-    name: SIFDecode/${{ matrix.os }}/${{ matrix.fc_cmd }}/${{ matrix.compiler_version }}
+    name: SIFDecode/${{ matrix.os }}/${{ matrix.compiler }}-v${{ matrix.version }}
     strategy:
       fail-fast: false
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        compiler_version: [12]
+        version: ['12']
         include:
-          - compiler: gnu
-            fc_cmd: gfortran
+          - compiler: gcc
           - os: ubuntu-latest
-            compiler: intel
-            compiler_version: 2021.9.0
-            fc_cmd: ifort
+            compiler: intel-classic
+            version: '2021.10'
           - os: macos-latest
-            compiler: intel
-            compiler_version: 2021.9.0
-            fc_cmd: ifort
+            compiler: intel-classic
+            version: '2021.10'
           - os: ubuntu-latest
-            compiler: intel-llvm
-            compiler_version: 2023.2.0
-            fc_cmd: ifx
+            compiler: intel
+            version: '2023.2'
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out SIFDecode
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -41,26 +37,11 @@ jobs:
       - name: Install Meson and Ninja
         run: pip install meson ninja
 
-      - name: Install GNU compilers
-        if: matrix.compiler == 'gnu'
-        uses: awvwgk/setup-fortran@main
-        with:
-          compiler: gcc
-          version: ${{ matrix.compiler_version }}
-
-      - name: Install classic Intel compilers
-        if: matrix.compiler == 'intel'
-        uses: awvwgk/setup-fortran@main
-        with:
-          compiler: intel-classic
-          version: ${{ matrix.compiler_version }}
-
-      - name: Install nextgen Intel compilers
-        if: matrix.compiler == 'intel-llvm'
-        uses: awvwgk/setup-fortran@main
+      - name: Install compilers
+        uses: fortran-lang/setup-fortran@main
         with:
-          compiler: intel
-          version: ${{ matrix.compiler_version }}
+          compiler: ${{ matrix.compiler }}
+          version: ${{ matrix.version }}
 
       # Uncomment this section to obtain ssh access to VM
       # - name: Setup tmate session
@@ -71,8 +52,6 @@ jobs:
         shell: bash
         run: |
           meson setup builddir --prefix=$GITHUB_WORKSPACE/../meson
-        env:
-          FC: ${{ matrix.fc_cmd }}
 
       - name: Build SIFDecode
         shell: bash
@@ -81,7 +60,7 @@ jobs:
       - uses: actions/upload-artifact@v3
         if: failure()
         with:
-          name: ${{ matrix.os }}_${{ matrix.fc_cmd }}_${{ matrix.compiler_version }}_meson-log.txt
+          name: ${{ matrix.os }}_${{ matrix.compiler }}-v${{ matrix.version }}_Int${{ matrix.int }}_meson-log.txt
           path: builddir/meson-logs/meson-log.txt
 
       - name: Install SIFDecode
@@ -91,5 +70,5 @@ jobs:
       - uses: actions/upload-artifact@v3
         if: failure()
         with:
-          name: ${{ matrix.os }}_${{ matrix.fc_cmd }}_${{ matrix.compiler_version }}_install-log.txt
+          name: ${{ matrix.os }}_${{ matrix.compiler }}-v${{ matrix.version }}_Int${{ matrix.int }}_install-log.txt
           path: builddir/meson-logs/install-log.txt