Add LFortran Compiler Support

.github/actions/test-cc/action.yml

@@ -18,7 +18,7 @@ runs:
         [[ "${{ env.CC }}" == "${{ env.FPM_CC }}" ]] && (echo "CC and FPM_CC match") || (echo "CC and FPM_CC don't match: ${{ env.CC }} != ${{ env.FPM_CC}}"; exit 1)
 
         # check compiler version
-        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ inputs.compiler }}" =~ "intel" ]] && [[ "${{ inputs.compiler }}" != "nvidia-hpc" ]]); then
+        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ inputs.compiler }}" =~ "intel" ]]); then
           # only last line of output captured by command substitution, write to temp file instead
           ${{ env.CC }} //QV > "$RUNNER_TEMP/${{ env.CC }}.ver" 2>&1
           ccv=$(cat "$RUNNER_TEMP/${{ env.CC }}.ver" | head -n 1)
@@ -27,6 +27,8 @@ runs:
         elif ([ "$RUNNER_OS" == "Linux" ] && [[ "${{ inputs.compiler }}" == "nvidia-hpc" ]]); then
           # Get the compiler version and extract the version number
           ccv=$(${{ env.CC }} --version 2>&1 | awk '/nvc/ {print $2}' | cut -d'-' -f1)
+        elif ([[ "${{ inputs.compiler }}" == "lfortran" ]]); then
+          exit 0  # uses preinstalled gcc, skip version check
         elif ([[ "${{ inputs.compiler }}" != "nvidia-hpc" ]]); then
           ccv=$(${{ env.CC }} --version | head -n 1)
           ccv=$(echo "$ccv" | grep -woE '[0123456789.]+' | head -n 1)

.github/actions/test-cxx/action.yml

@@ -18,7 +18,7 @@ runs:
         [[ "${{ env.CXX }}" == "${{ env.FPM_CXX }}" ]] && (echo "CXX and FPM_CXX match") || (echo "CXX and FPM_CXX don't match: ${{ env.CXX }} != ${{ env.FPM_CXX}}"; exit 1)
 
         # check compiler version
-        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ matrix.toolchain.compiler }}" =~ "intel" ]] && [[ "${{ matrix.toolchain.compiler }}" != "nvidia-hpc" ]]); then
+        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ matrix.toolchain.compiler }}" =~ "intel" ]]); then
           # only last line of output captured by command substitution, write to temp file instead
           ${{ env.CXX }} //QV > "$RUNNER_TEMP/${{ env.CXX }}.ver" 2>&1
           cxxv=$(cat "$RUNNER_TEMP/${{ env.CXX }}.ver" | head -n 1)
@@ -27,6 +27,8 @@ runs:
         elif ([ "$RUNNER_OS" == "Linux" ] && [[ "${{ matrix.toolchain.compiler}}" == "nvidia-hpc" ]]); then
           # Get the compiler version and extract the version number
           cxxv=$(${{ env.CXX }} --version 2>&1 | awk '/nvc++/ {print $2}' | cut -d'-' -f1)
+        elif ([[ "${{ inputs.compiler }}" == "lfortran" ]]); then
+          exit 0  # uses preinstalled gcc, skip version check
         elif ([[ "${{ matrix.toolchain.compiler}}" != "nvidia-hpc" ]]); then
           cxxv=$(${{ env.CXX }} --version | head -n 1)
           cxxv=$(echo "$cxxv" | grep -woE '[0123456789.]+' | head -n 1)

.github/actions/test-fc/action.yml

@@ -18,7 +18,7 @@ runs:
         [[ "${{ env.FC }}" == "${{ env.FPM_FC }}" ]] && (echo "FC and FPM_FC match") || (echo "FC and FPM_FC don't match: ${{ env.FC }} != ${{ env.FPM_FC}}"; exit 1)
 
         # check compiler version
-        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ inputs.compiler }}" =~ "intel" ]] && [[ "${{ inputs.compiler }}" != "nvidia-hpc" ]]); then
+        if ([ "$RUNNER_OS" == "Windows" ] && [[ "${{ inputs.compiler }}" =~ "intel" ]]); then
           # only last line of output captured by command substitution, write to temp file instead
           ${{ env.FC }} //QV > "$RUNNER_TEMP/${{ env.FC }}.ver" 2>&1
           fcv=$(cat "$RUNNER_TEMP/${{ env.FC }}.ver" | head -n 1)
@@ -27,6 +27,8 @@ runs:
         elif ([ "$RUNNER_OS" == "Linux" ] && [[ "${{ inputs.compiler }}" == "nvidia-hpc" ]]); then
           # Get the compiler version and extract the version number
           fcv=$(${{ env.FC }} --version 2>&1 | awk '/nvfortran/ {print $2}' | cut -d'-' -f1)
+        elif ([[ "${{ inputs.compiler }}" == "lfortran" ]]); then
+          fcv=$(${{ env.FC }} --version | head -n 1 | grep -woE '[0123456789.]+')
         elif ([[ "${{ inputs.compiler }}" != "nvidia-hpc" ]]); then
           fcv=$(${{ env.FC }} --version | head -n 1)
           fcv=$(echo "$fcv" | grep -woE '[0123456789.]+' | head -n 1)
@@ -38,14 +40,15 @@ runs:
       shell: bash
       run: |
         # hello world program
-        ${{ env.FC }} $args -o hw hw.f90
+        ${{ env.FC }} -o hw hw.f90
         output=$(./hw '2>&1')
         [[ "$output" == *"hello world"* ]] && echo "$output" || (echo "Unexpected Fortran program 'hw' output: $output"; exit 1)
         rm hw
 
     - name: Test compile Fortran (pwsh)
       working-directory: test
-      if: ${{ (success() || failure()) && runner.os == 'Windows' }}
+      # todo: debug lfortran discovery issues (same for powershell and cmd below)
+      if: ${{ (success() || failure()) && runner.os == 'Windows' && inputs.compiler != 'lfortran' }}
       shell: pwsh
       run: |
         ${{ env.FC }} -o hw.exe hw.f90 
@@ -60,7 +63,7 @@ runs:
 
     - name: Test compile Fortran (powershell)
       working-directory: test
-      if: ${{ (success() || failure()) && runner.os == 'Windows' }}
+      if: ${{ (success() || failure()) && runner.os == 'Windows' && inputs.compiler != 'lfortran' }}
       shell: powershell
       run: |
         ${{ env.FC }} -o hw.exe hw.f90 
@@ -75,7 +78,7 @@ runs:
 
     - name: Test compile Fortran (cmd)
       working-directory: test
-      if: ${{ (success() || failure()) && runner.os == 'Windows' }}
+      if: ${{ (success() || failure()) && runner.os == 'Windows' && inputs.compiler != 'lfortran' }}
       shell: cmd
       run: |
         ${{ env.FC }} -o hw.exe hw.f90 

.github/compat/compat.csv

@@ -1,10 +1,10 @@
-compiler,gcc,gcc,gcc,gcc,gcc,gcc,gcc,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc
-version,10,11,12,13,7,8,9,2021.1,2021.10,2021.2,2021.3,2021.4,2021.5,2021.6,2021.7.1,2021.7,2021.8,2021.9,2021.1.2,2021.1.2,2021.1,2021.2,2021.4,2022.0,2022.1,2022.2.1,2022.2,2023.0,2023.1,2023.2,2024.0,20.11,21.11,22.11,23.11,23.3,23.5,23.7,23.9
-runner,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
-macos-12,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,,,,,,,,,,,,,,
-macos-13,✓,✓,✓,✓,,,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,,,,,,,,,,,,,,
-macos-14,,✓,✓,✓,,,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,,,,,,,,,,,,,,
-ubuntu-20.04,✓,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
-ubuntu-22.04,✓,✓,✓,✓,,,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
-windows-2019,✓,✓,✓,✓,,✓,✓,,✓,,,,,✓,,✓,✓,✓,,,,,,,✓,,✓,✓,✓,✓,✓,,,,,,,,
-windows-2022,✓,✓,✓,✓,,✓,✓,,✓,,,,,✓,,✓,✓,✓,,,,,,,✓,,✓,✓,✓,✓,✓,,,,,,,,
+compiler,gcc,gcc,gcc,gcc,gcc,gcc,gcc,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,lfortran,lfortran,lfortran,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc
+version,10,11,12,13,7,8,9,2021.1,2021.1.2,2021.2,2021.4,2022.0,2022.1,2022.2,2022.2.1,2023.0,2023.1,2023.2,2024.0,2021.1,2021.1.2,2021.10,2021.2,2021.3,2021.4,2021.5,2021.6,2021.7,2021.7.1,2021.8,2021.9,0.31.0,0.32.0,0.33.0,20.11,21.11,22.11,23.11,23.3,23.5,23.7,23.9
+runner,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
+macos-12,✓,✓,✓,✓,✓,✓,✓,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,
+macos-13,✓,✓,✓,✓,,,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,
+macos-14,,✓,✓,✓,,,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,,,,,,,
+ubuntu-20.04,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
+ubuntu-22.04,✓,✓,✓,✓,,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
+windows-2019,✓,✓,✓,✓,,✓,✓,,,,,,✓,✓,,✓,✓,✓,✓,,,✓,,,,,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
+windows-2022,✓,✓,✓,✓,,✓,✓,,,,,,✓,✓,,✓,✓,✓,✓,,,✓,,,,,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,

.github/compat/long_compat.csv

@@ -1,29 +1,8 @@
 runner,compiler,version,support
-macos-11,gcc,10,✓
-macos-11,gcc,11,✓
-macos-11,gcc,12,✓
-macos-11,gcc,13,✓
-macos-11,gcc,6,
-macos-11,gcc,7,✓
-macos-11,gcc,8,✓
-macos-11,gcc,9,✓
-macos-11,intel-classic,2021.1.2,
-macos-11,intel-classic,2021.1,✓
-macos-11,intel-classic,2021.10,✓
-macos-11,intel-classic,2021.2,✓
-macos-11,intel-classic,2021.3,✓
-macos-11,intel-classic,2021.4,✓
-macos-11,intel-classic,2021.5,✓
-macos-11,intel-classic,2021.6,✓
-macos-11,intel-classic,2021.7.1,✓
-macos-11,intel-classic,2021.7,✓
-macos-11,intel-classic,2021.8,✓
-macos-11,intel-classic,2021.9,✓
 macos-12,gcc,10,✓
 macos-12,gcc,11,✓
 macos-12,gcc,12,✓
 macos-12,gcc,13,✓
-macos-12,gcc,6,
 macos-12,gcc,7,✓
 macos-12,gcc,8,✓
 macos-12,gcc,9,✓
@@ -39,14 +18,15 @@ macos-12,intel-classic,2021.7.1,✓
 macos-12,intel-classic,2021.7,✓
 macos-12,intel-classic,2021.8,✓
 macos-12,intel-classic,2021.9,✓
+macos-12,lfortran,0.31.0,✓
+macos-12,lfortran,0.32.0,✓
+macos-12,lfortran,0.33.0,✓
 macos-13,gcc,10,✓
 macos-13,gcc,11,✓
 macos-13,gcc,12,✓
 macos-13,gcc,13,✓
-macos-13,gcc,6,
 macos-13,gcc,7,
 macos-13,gcc,8,
-macos-13,gcc,9,
 macos-13,intel-classic,2021.1.2,
 macos-13,intel-classic,2021.1,✓
 macos-13,intel-classic,2021.10,✓
@@ -59,17 +39,35 @@ macos-13,intel-classic,2021.7.1,✓
 macos-13,intel-classic,2021.7,✓
 macos-13,intel-classic,2021.8,✓
 macos-13,intel-classic,2021.9,✓
+macos-13,lfortran,0.31.0,✓
+macos-13,lfortran,0.32.0,✓
+macos-13,lfortran,0.33.0,✓
+macos-14,gcc,11,✓
+macos-14,gcc,12,✓
+macos-14,gcc,13,✓
+macos-14,gcc,7,
+macos-14,intel-classic,2021.1.2,
+macos-14,intel-classic,2021.1,✓
+macos-14,intel-classic,2021.10,✓
+macos-14,intel-classic,2021.2,✓
+macos-14,intel-classic,2021.3,✓
+macos-14,intel-classic,2021.4,✓
+macos-14,intel-classic,2021.5,✓
+macos-14,intel-classic,2021.6,✓
+macos-14,intel-classic,2021.7.1,✓
+macos-14,intel-classic,2021.7,✓
+macos-14,intel-classic,2021.8,✓
+macos-14,intel-classic,2021.9,✓
+macos-14,lfortran,0.31.0,✓
+macos-14,lfortran,0.32.0,✓
+macos-14,lfortran,0.33.0,✓
 ubuntu-20.04,gcc,10,✓
 ubuntu-20.04,gcc,11,✓
 ubuntu-20.04,gcc,12,
 ubuntu-20.04,gcc,13,✓
-ubuntu-20.04,gcc,6,
 ubuntu-20.04,gcc,7,✓
 ubuntu-20.04,gcc,8,✓
 ubuntu-20.04,gcc,9,✓
-macos-14,gcc,11,✓
-macos-14,gcc,12,✓
-macos-14,gcc,13,✓
 ubuntu-20.04,intel-classic,2021.1.2,✓
 ubuntu-20.04,intel-classic,2021.1,✓
 ubuntu-20.04,intel-classic,2021.10,✓
@@ -94,13 +92,26 @@ ubuntu-20.04,intel,2023.0,✓
 ubuntu-20.04,intel,2023.1,✓
 ubuntu-20.04,intel,2023.2,✓
 ubuntu-20.04,intel,2024.0,✓
+ubuntu-20.04,lfortran,0.31.0,✓
+ubuntu-20.04,lfortran,0.32.0,✓
+ubuntu-20.04,lfortran,0.33.0,✓
 ubuntu-20.04,nvidia-hpc,20.11,✓
 ubuntu-20.04,nvidia-hpc,20.7,
 ubuntu-20.04,nvidia-hpc,20.9,
 ubuntu-20.04,nvidia-hpc,21.1,
 ubuntu-20.04,nvidia-hpc,21.11,✓
+ubuntu-20.04,nvidia-hpc,21.3,
+ubuntu-20.04,nvidia-hpc,21.5,
+ubuntu-20.04,nvidia-hpc,21.7,
+ubuntu-20.04,nvidia-hpc,21.9,
 ubuntu-20.04,nvidia-hpc,22.1,
 ubuntu-20.04,nvidia-hpc,22.11,✓
+ubuntu-20.04,nvidia-hpc,22.2,
+ubuntu-20.04,nvidia-hpc,22.3,
+ubuntu-20.04,nvidia-hpc,22.5,
+ubuntu-20.04,nvidia-hpc,22.7,
+ubuntu-20.04,nvidia-hpc,22.9,
+ubuntu-20.04,nvidia-hpc,23.1,
 ubuntu-20.04,nvidia-hpc,23.11,✓
 ubuntu-20.04,nvidia-hpc,23.3,✓
 ubuntu-20.04,nvidia-hpc,23.5,✓
@@ -110,7 +121,6 @@ ubuntu-22.04,gcc,10,✓
 ubuntu-22.04,gcc,11,✓
 ubuntu-22.04,gcc,12,✓
 ubuntu-22.04,gcc,13,✓
-ubuntu-22.04,gcc,6,
 ubuntu-22.04,gcc,7,
 ubuntu-22.04,gcc,8,
 ubuntu-22.04,gcc,9,✓
@@ -138,13 +148,23 @@ ubuntu-22.04,intel,2023.0,✓
 ubuntu-22.04,intel,2023.1,✓
 ubuntu-22.04,intel,2023.2,✓
 ubuntu-22.04,intel,2024.0,✓
+ubuntu-22.04,lfortran,0.31.0,✓
+ubuntu-22.04,lfortran,0.32.0,✓
+ubuntu-22.04,lfortran,0.33.0,✓
 ubuntu-22.04,nvidia-hpc,20.11,✓
 ubuntu-22.04,nvidia-hpc,20.7,
 ubuntu-22.04,nvidia-hpc,20.9,
 ubuntu-22.04,nvidia-hpc,21.1,
 ubuntu-22.04,nvidia-hpc,21.11,✓
+ubuntu-22.04,nvidia-hpc,21.7,
 ubuntu-22.04,nvidia-hpc,22.1,
 ubuntu-22.04,nvidia-hpc,22.11,✓
+ubuntu-22.04,nvidia-hpc,22.2,
+ubuntu-22.04,nvidia-hpc,22.3,
+ubuntu-22.04,nvidia-hpc,22.5,
+ubuntu-22.04,nvidia-hpc,22.7,
+ubuntu-22.04,nvidia-hpc,22.9,
+ubuntu-22.04,nvidia-hpc,23.1,
 ubuntu-22.04,nvidia-hpc,23.11,✓
 ubuntu-22.04,nvidia-hpc,23.3,✓
 ubuntu-22.04,nvidia-hpc,23.5,✓
@@ -154,7 +174,6 @@ windows-2019,gcc,10,✓
 windows-2019,gcc,11,✓
 windows-2019,gcc,12,✓
 windows-2019,gcc,13,✓
-windows-2019,gcc,6,
 windows-2019,gcc,7,
 windows-2019,gcc,8,✓
 windows-2019,gcc,9,✓
@@ -182,11 +201,13 @@ windows-2019,intel,2023.0,✓
 windows-2019,intel,2023.1,✓
 windows-2019,intel,2023.2,✓
 windows-2019,intel,2024.0,✓
+windows-2019,lfortran,0.31.0,✓
+windows-2019,lfortran,0.32.0,✓
+windows-2019,lfortran,0.33.0,✓
 windows-2022,gcc,10,✓
 windows-2022,gcc,11,✓
 windows-2022,gcc,12,✓
 windows-2022,gcc,13,✓
-windows-2022,gcc,6,
 windows-2022,gcc,7,
 windows-2022,gcc,8,✓
 windows-2022,gcc,9,✓
@@ -214,3 +235,6 @@ windows-2022,intel,2023.0,✓
 windows-2022,intel,2023.1,✓
 windows-2022,intel,2023.2,✓
 windows-2022,intel,2024.0,✓
+windows-2022,lfortran,0.31.0,✓
+windows-2022,lfortran,0.32.0,✓
+windows-2022,lfortran,0.33.0,✓

.github/compat/matrix.yml

@@ -38,6 +38,9 @@ toolchain:
   - {compiler: intel-classic, version: '2021.2'}
   - {compiler: intel-classic, version: '2021.1.2'}
   - {compiler: intel-classic, version: '2021.1'}
+  - {compiler: lfortran, version: '0.31.0'}
+  - {compiler: lfortran, version: '0.32.0'}
+  - {compiler: lfortran, version: '0.33.0'}
   - {compiler: nvidia-hpc, version: '23.11'}
   - {compiler: nvidia-hpc, version: '23.9'}
   - {compiler: nvidia-hpc, version: '23.7'}
@@ -69,17 +72,13 @@ exclude:
     toolchain: {compiler: intel}
   - os: macos-12
     toolchain: {compiler: intel}
-  - os: macos-11
-    toolchain: {compiler: intel}
   # nvidia-hpc not available for mac
   - os: macos-14
     toolchain: {compiler: nvidia-hpc}
   - os: macos-13
     toolchain: {compiler: nvidia-hpc}
   - os: macos-12
     toolchain: {compiler: nvidia-hpc}
-  - os: macos-11
-    toolchain: {compiler: nvidia-hpc}
   # nvidia-hpc not available for windows
   - os: windows-2022
     toolchain: {compiler: nvidia-hpc}

.github/compat/wide_compat_reports.py

@@ -22,7 +22,7 @@
     index="runner",
     columns=["compiler", "version"],
     values="support",
-    sort=False,
+    sort=True,
     aggfunc="first",
 ).sort_values(by=["runner"])