diff --git a/src/libc/CMakeLists.txt b/src/libc/CMakeLists.txt
index 3a5fb071a..300882df8 100644
--- a/src/libc/CMakeLists.txt
+++ b/src/libc/CMakeLists.txt
@@ -222,9 +222,8 @@ add_circular(system_c FAT OBJECTS
 
 install(TARGETS system_c DESTINATION libexec/darling/usr/lib/system)
 
-set(CMAKE_AR "${CMAKE_BINARY_DIR}/src/external/cctools-port/cctools/ar/x86_64-apple-darwin11-ar")
-set(CMAKE_RANLIB "${CMAKE_BINARY_DIR}/src/external/cctools-port/cctools/misc/ranlib")
-add_library(libc_static STATIC
+include(darling_static_lib)
+add_darling_static_library(libc_static SOURCES
 	$<TARGET_OBJECTS:libc-gen_dyld>
 	$<TARGET_OBJECTS:libc-stdlib_dyld>
 	$<TARGET_OBJECTS:libc-string_dyld>
diff --git a/src/libmacho/CMakeLists.txt b/src/libmacho/CMakeLists.txt
index 3dccc5858..f9691eedc 100644
--- a/src/libmacho/CMakeLists.txt
+++ b/src/libmacho/CMakeLists.txt
@@ -39,8 +39,7 @@ add_circular(macho FAT
 #target_link_libraries(macho system_kernel)
 #make_fat(macho)
 
-set(CMAKE_AR "${CMAKE_BINARY_DIR}/src/external/cctools-port/cctools/ar/x86_64-apple-darwin11-ar")
-set(CMAKE_RANLIB "${CMAKE_BINARY_DIR}/src/external/cctools-port/cctools/misc/ranlib")
-add_library(macho_static STATIC $<TARGET_OBJECTS:macho_obj>)
+include(darling_static_lib)
+add_darling_static_library(macho_static SOURCES $<TARGET_OBJECTS:macho_obj>)
 
 install(TARGETS macho DESTINATION libexec/darling/usr/lib/system)
diff --git a/src/libunwind/CMakeLists.txt b/src/libunwind/CMakeLists.txt
index 5a73dd58a..a7d8fcf7c 100644
--- a/src/libunwind/CMakeLists.txt
+++ b/src/libunwind/CMakeLists.txt
@@ -46,7 +46,8 @@ add_circular(unwind FAT
 #set_target_properties(unwind PROPERTIES LINKER_LANGUAGE C)
 #make_fat(unwind)
 
-add_library(unwind_static STATIC ${libunwind_sources})
+include(darling_static_lib)
+add_darling_static_library(unwind_static SOURCES ${libunwind_sources})
 set_target_properties(unwind_static PROPERTIES COMPILE_FLAGS "-DNDEBUG=1")
 make_fat(unwind_static)