Update CMakeLists.txt

Author: Olivier Chafik

ggml/src/CMakeLists.txt

@@ -96,9 +96,13 @@ if (GGML_CCACHE)
     find_program(GGML_SCCACHE_FOUND sccache)
 
     if (GGML_CCACHE_FOUND OR GGML_SCCACHE_FOUND)
-        set(GGML_CCACHE_VARIANT $<IF:$<BOOL:${GGML_CCACHE_FOUND}>,ccache,sccache>)
+        if(GGML_CCACHE_FOUND)
+            set(GGML_CCACHE_VARIANT ccache)
+        else()
+            set(GGML_CCACHE_VARIANT sccache)
+        endif()
         # TODO: should not be set globally
-        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${GGML_CCACHE_VARIANT})
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${GGML_CCACHE_VARIANT}")
         set(ENV{CCACHE_SLOPPINESS} time_macros)
         message(STATUS "${GGML_CCACHE_VARIANT} found, compilation results will be cached. Disable with GGML_CCACHE=OFF.")
     else()