[cmake] Check if fmt is already a target

rokzitko · Oct 23, 2024 · af12c25 · af12c25
1 parent 0a72c32
commit af12c25
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -197,7 +197,10 @@ CPMAddPackage(
 )
 
 # fmt
-CPMAddPackage("gh:fmtlib/fmt#11.0.2")
+# Check if fmt is already a target; important when using as an outside library in nrgljubljana_interface
+if (NOT TARGET fmt::fmt)
+  CPMAddPackage("gh:fmtlib/fmt#11.0.2")
+endif()
 
 # range-v3
 CPMAddPackage("gh:ericniebler/range-v3#0.12.0")