Specify number for parallelism

EmilyBourne · EmilyBourne · commit a13189c26cbc · 2025-09-24T20:12:08.000+02:00
diff --git a/.github/actions/selalib_installation/action.yml b/.github/actions/selalib_installation/action.yml
@@ -12,5 +12,5 @@ runs:
       run: |
         cd selalib
         cmake -B build .
-        cmake --build build -j sll_splines
+        cmake --build build -j 4 sll_splines
 
