Build custom jemalloc with -j$(nproc)

Signed-off-by: Lukasz Dorau <[email protected]>

Author: ldorau

CMakeLists.txt

@@ -162,7 +162,7 @@ else()
         OUTPUT ${jemalloc_targ_SOURCE_DIR}/Makefile
         DEPENDS ${jemalloc_targ_SOURCE_DIR}/configure)
     add_custom_command(
-        COMMAND make
+        COMMAND make -j$(nproc)
         WORKING_DIRECTORY ${jemalloc_targ_SOURCE_DIR}
         OUTPUT ${jemalloc_targ_SOURCE_DIR}/lib/libjemalloc.a
         DEPENDS ${jemalloc_targ_SOURCE_DIR}/Makefile)