diff --git a/activate-salt-fm-env.sh b/activate-salt-fm-env.sh
index 55a44fe..bde6fc9 100644
--- a/activate-salt-fm-env.sh
+++ b/activate-salt-fm-env.sh
@@ -8,7 +8,6 @@ module load llvm/git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9_19.1.4-zpacv56
 #module load mpich/4.2.3-ugxzfxf
 module load gcc/14.2.0-ttkqi3s
 #module load tau/master-l3jx42k
-export LD_LIBRARY_PATH="/storage/packages/salt-fm/spack/opt/spack/linux-centos7-x86_64/gcc-10.2.1/gcc-14.2.0-ttkqi3sp7xwrxtwftfysf54cl4jje4qk/lib64:$LD_LIBRARY_PATH"
 echo "listing loaded modules:"
 module list
 echo "Finished"
diff --git a/spack.yaml b/spack.yaml
index 99b2e05..34bbd2a 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -12,7 +12,7 @@ spack:
 
   packages:
     all:
-      require: "target=x86_64 %gcc"
+      require: target=x86_64 %gcc
 
   modules:
     default:
@@ -42,6 +42,19 @@ spack:
       modules: []
       environment: {}
       extra_rpaths: []
+  - compiler:
+      spec: clang@=19.1.5
+      paths:
+        cc: /storage/packages/salt-fm/spack/opt/spack/linux-rhel8-x86_64/gcc-14.2.0/llvm-git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9_19.1.4-zpacv56yg4t4223ih6aqzzzrt3b3i4sg/bin/clang
+        cxx: /storage/packages/salt-fm/spack/opt/spack/linux-rhel8-x86_64/gcc-14.2.0/llvm-git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9_19.1.4-zpacv56yg4t4223ih6aqzzzrt3b3i4sg/bin/clang++
+        f77: /storage/packages/salt-fm/spack/opt/spack/linux-rhel8-x86_64/gcc-14.2.0/llvm-git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9_19.1.4-zpacv56yg4t4223ih6aqzzzrt3b3i4sg/bin/flang
+        fc: /storage/packages/salt-fm/spack/opt/spack/linux-rhel8-x86_64/gcc-14.2.0/llvm-git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9_19.1.4-zpacv56yg4t4223ih6aqzzzrt3b3i4sg/bin/flang
+      flags: {}
+      operating_system: rhel8
+      target: x86_64
+      modules: []
+      environment: {}
+      extra_rpaths: []
 
   specs:
   - llvm@git.086d8e6bb5daf8de43880ba90258c49e0fabf2c9=19.1.4 +flang +mlir openmp=project