Fix flang

.github/workflows/rhub2.yaml

@@ -0,0 +1,79 @@
+# R-hub's genetic GitHub Actions workflow file. It's canonical location is at
+# https://github.com/r-hub/rhub2/blob/v1/inst/workflow/rhub.yaml
+# You can update this file to a newer version using the rhub2 package:
+#
+# rhub2::rhub_setup()
+#
+# It is unlikely that you need to modify this file manually.
+
+name: R-hub
+run-name: ${{ github.event.inputs.name || format('Manually run by {0}', github.triggering_actor) }} (${{ github.event.inputs.id }})
+
+on:
+  workflow_dispatch:
+    inputs:
+      config:
+        description: 'A comma separated list of R-hub platforms to use.'
+        type: string
+        default: 'linux,windows,macos'
+      name:
+        description: 'Run name. You can leave this empty now.'
+        type: string
+      id:
+        description: 'Unique ID. You can leave this empty now.'
+        type: string
+
+jobs:
+
+  setup:
+    runs-on: ubuntu-latest
+    outputs:
+      containers: ${{ steps.rhub-setup.outputs.containers }}
+      platforms: ${{ steps.rhub-setup.outputs.platforms }}
+
+    steps:
+    # NO NEED TO CHECKOUT HERE
+    - uses: r-hub/rhub2/actions/rhub-setup@v1
+      with:
+        config: ${{ github.event.inputs.config }}
+      id: rhub-setup
+
+  linux-containers:
+    needs: setup
+    if: ${{ needs.setup.outputs.containers != '[]' }}
+    runs-on: ubuntu-latest
+    name: ${{ matrix.config.label }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config: ${{ fromJson(needs.setup.outputs.containers) }}
+    container:
+      image: ${{ matrix.config.container }}
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: r-hub/rhub2/actions/rhub-check@v1
+        with:
+          token: ${{ secrets.RHUB_TOKEN }}
+          job-config: ${{ matrix.config.job-config }}
+
+  other-platforms:
+    needs: setup
+    if: ${{ needs.setup.outputs.platforms != '[]' }}
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.label }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config: ${{ fromJson(needs.setup.outputs.platforms) }}
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: r-hub/rhub2/actions/rhub-setup-r@v1
+        with:
+          job-config: ${{ matrix.config.job-config }}
+          token: ${{ secrets.RHUB_TOKEN }}
+      - uses: r-hub/rhub2/actions/rhub-check@v1
+        with:
+          job-config: ${{ matrix.config.job-config }}
+          token: ${{ secrets.RHUB_TOKEN }}

src/Makevars

@@ -30,6 +30,13 @@ else
 	LIB_SUFFIX=a
 endif
 
+USE_FLANG=$(shell echo $(FC) | egrep "flang")
+ifneq ($(USE_FLANG),)
+  LLVM_PATH=$(shell $(USE_FLANG) --version | egrep "InstalledDir" | cut -d: -f2 | tr -d ' ')
+  FLIBS=-L$(LLVM_PATH)/../lib -lFortran_main -lFortranRuntime -lFortranDecimal -lm
+  $(info Use FLANG with FLIBS: $(FLIBS))
+endif
+
 EXTERNAL_LIBS=$(shell LIBKRIGING_PATH=${LIBKRIGING_PATH} ../src/libK/bindings/R/tools/ExternalLibsExtractor.sh)
 
 CXX_STD = CXX17