configure: only req CMake if we're building LLVM

CMake is only necessary if LLVM is going to be built and not in any other case. Signed-off-by: Doug Goldstein <[email protected]>
oyiptong · Dec 2, 2016 · e39c8d6 · e39c8d6
1 parent f50dbd5
commit e39c8d6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/configure b/configure
@@ -848,7 +848,10 @@ then
 fi
 
 # For building LLVM
-probe_need CFG_CMAKE cmake
+if [ -z "$CFG_LLVM_ROOT" ]
+then
+  probe_need CFG_CMAKE cmake
+fi
 
 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
 # installed. Since `javac` is only used if `antlr4` is available,