diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 97e79ef6a..54890659f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -17,6 +17,8 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
 
 add_subdirectory(bootstrap_cmds)
 add_subdirectory(external/cctools-port/cctools/ld64/src)
+add_subdirectory(external/cctools-port/cctools/ar)
+add_subdirectory(external/cctools-port/cctools/misc)
 add_subdirectory(util)
 #add_subdirectory(libmach-o)
 #add_subdirectory(libdyld)
diff --git a/src/duct/include/CrashReporterClient.h b/src/duct/include/CrashReporterClient.h
index 37254f8af..21ce08d40 100644
--- a/src/duct/include/CrashReporterClient.h
+++ b/src/duct/include/CrashReporterClient.h
@@ -5,8 +5,9 @@
 extern "C" {
 #endif
 
-void CRSetCrashLogMessage(const char* text);
-void CRSetCrashLogMessage2(const char* path);
+inline void CRSetCrashLogMessage(const char* text) {}
+inline void CRSetCrashLogMessage2(const char* path) {}
+inline const char* CRGetCrashLogMessage(void) { return 0; }
 
 #ifdef __cplusplus
 }
diff --git a/src/duct/src/CRGetCrashLogMessage.c b/src/duct/src/CRGetCrashLogMessage.c
index e457e44a1..9aca661f0 100644
--- a/src/duct/src/CRGetCrashLogMessage.c
+++ b/src/duct/src/CRGetCrashLogMessage.c
@@ -1,6 +1,6 @@
-int CRGetCrashLogMessage()
+const char* CRGetCrashLogMessage(void)
 {
-	return 1;
+	return 0;
 }
 
 void CRSetCrashLogMessage(const char* msg)
diff --git a/src/dyld-apple/CMakeLists.txt b/src/dyld-apple/CMakeLists.txt
index 39663e4d9..d03b2f4e2 100644
--- a/src/dyld-apple/CMakeLists.txt
+++ b/src/dyld-apple/CMakeLists.txt
@@ -9,7 +9,7 @@ endif(COMMAND cmake_policy)
 include (darling_exe)
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc -std=c++11")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc -std=c++11 -include ${CMAKE_SOURCE_DIR}/src/duct/include/CrashReporterClient.h")
 set(CMAKE_SHARED_LINKER_FLAGS_SAVED "${CMAKE_SHARED_LINKER_FLAGS}")
 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -nostdlib -Wl,-flat_namespace -Wl,-undefined,suppress")
 
@@ -65,6 +65,6 @@ add_darling_executable(system_loader
 #use_ld64(system_loader)
 set_target_properties(system_loader PROPERTIES OUTPUT_NAME "dyld")
 set_property(TARGET system_loader APPEND_STRING PROPERTY LINK_FLAGS " -dylinker")
-target_link_libraries(system_loader crt1.10.6.o)
+target_link_libraries(system_loader crt1.10.6.o libc_static)
 
 install(TARGETS system_dyld DESTINATION ${CMAKE_INSTALL_LIBDIR}/darling)
diff --git a/src/dyld-apple/src/dyld.cpp b/src/dyld-apple/src/dyld.cpp
index ba7c7cc8e..21bb23161 100644
--- a/src/dyld-apple/src/dyld.cpp
+++ b/src/dyld-apple/src/dyld.cpp
@@ -1209,7 +1209,7 @@ static void setRunInitialzersOldWay()
 
 static bool sandboxBlocked(const char* path, const char* kind)
 {
-#if TARGET_IPHONE_SIMULATOR
+#if TARGET_IPHONE_SIMULATOR || DARLING
 	// sandbox calls not yet supported in simulator runtime
 	return false;
 #else
diff --git a/src/external/cctools-port b/src/external/cctools-port
index 5897f4a2c..fdd1105e3 160000
--- a/src/external/cctools-port
+++ b/src/external/cctools-port
@@ -1 +1 @@
-Subproject commit 5897f4a2c7585a520eb5ab77635bf169201a14c3
+Subproject commit fdd1105e39b1de24f20d8de649c1cf5862091204
diff --git a/src/libc/CMakeLists.txt b/src/libc/CMakeLists.txt
index bc7bae04d..0856483a7 100644
--- a/src/libc/CMakeLists.txt
+++ b/src/libc/CMakeLists.txt
@@ -20,7 +20,7 @@ add_definitions(-D__LIBC__ -D__DARWIN_UNIX03=1 -D__DARWIN_64_BIT_INO_T=1 -D__DAR
 #add_definitions("'-D__weak_reference(sym,alias)='")
 add_definitions("'-D__warn_references(name,warning)='")
 #add_definitions(-Ddladdr=__darwin_dladdr)
-add_definitions(-DBUILDING_LIBC)
+add_definitions(-DBUILDING_LIBC -DPRIVATE)
 
 # Hide warnings that get spammed
 add_definitions(
@@ -144,6 +144,17 @@ target_link_libraries(system_c system_kernel system_m)
 
 install(TARGETS system_c DESTINATION ${CMAKE_INSTALL_LIBDIR}/darling)
 
+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
+	$<TARGET_OBJECTS:libc-gen_dyld>
+	$<TARGET_OBJECTS:libc-pthreads_dyld>
+	$<TARGET_OBJECTS:libc-stdlib_dyld>
+	$<TARGET_OBJECTS:libc-string_dyld>
+	$<TARGET_OBJECTS:libc-sys_dyld>
+	$<TARGET_OBJECTS:libc-threads_dyld>
+	$<TARGET_OBJECTS:libc-hwplat_dyld>)
+
 # TODO: see ./xcodescripts/variants.xcconfig
 
 #SET_TARGET_PROPERTIES(system_c PROPERTIES LINKER_LANGUAGE C)
diff --git a/src/libc/gen/CMakeLists.txt b/src/libc/gen/CMakeLists.txt
index 02fbb9a3d..5d98a89c3 100644
--- a/src/libc/gen/CMakeLists.txt
+++ b/src/libc/gen/CMakeLists.txt
@@ -59,7 +59,7 @@ set(gen_sources #asl.c
 set(gen_sources ${gen_sources}
 	FreeBSD/alarm.c  
 	FreeBSD/arc4random.c   
-	FreeBSD/assert.c   
+	FreeBSD/assert.c
 	FreeBSD/basename.c 
 	FreeBSD/clock.c
 	FreeBSD/closedir.c 
@@ -233,3 +233,11 @@ endif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
 add_library(libc-gen_pre1050 OBJECT ${gen-pre1050_sources})
 SET_TARGET_PROPERTIES(libc-gen_pre1050 PROPERTIES COMPILE_FLAGS "-DBUILDING_VARIANT -DVARIANT_PRE1050 -U__DARWIN_UNIX03 -D__DARWIN_UNIX03=0")
 
+# ***
+# DYLD variants
+# ***
+
+add_library(libc-gen_dyld OBJECT _simple.c FreeBSD/arc4random.c FreeBSD/closedir.c dirfd.c FreeBSD/getcwd.c FreeBSD/getpagesize.c nanosleep.c FreeBSD/opendir.c FreeBSD/readdir.c FreeBSD/scandir.c FreeBSD/sysctl.c FreeBSD/sysctlbyname.c FreeBSD/telldir.c FreeBSD/usleep.c)
+
+SET_TARGET_PROPERTIES(libc-gen_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
+
diff --git a/src/libc/pthreads/CMakeLists.txt b/src/libc/pthreads/CMakeLists.txt
index 4cf514b44..bca8bc4a7 100644
--- a/src/libc/pthreads/CMakeLists.txt
+++ b/src/libc/pthreads/CMakeLists.txt
@@ -41,3 +41,7 @@ set(pthreads-legacy_sources
 add_library(libc-pthreads_legacy OBJECT ${pthreads-legacy_sources})
 SET_TARGET_PROPERTIES(libc-pthreads_legacy PROPERTIES COMPILE_FLAGS "-DBUILDING_VARIANT -DVARIANT_LEGACY -U_DARWIN_C_SOURCE -U_POSIX_C_SOURCE -U__DARWIN_UNIX03 -D__DARWIN_UNIX03=0")
 
+# DYLD variant
+
+add_library(libc-pthreads_dyld OBJECT pthread.c pthread_mutex.c pthread_tsd.c)
+SET_TARGET_PROPERTIES(libc-pthreads_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
diff --git a/src/libc/stdlib/CMakeLists.txt b/src/libc/stdlib/CMakeLists.txt
index 40d7edd68..45a22c0a3 100644
--- a/src/libc/stdlib/CMakeLists.txt
+++ b/src/libc/stdlib/CMakeLists.txt
@@ -99,3 +99,8 @@ SET_TARGET_PROPERTIES(libc-stdlib_legacy PROPERTIES COMPILE_DEFINITIONS "BUILDIN
 set(stdlib-extsn_sources FreeBSD/realpath.c)
 add_library(libc-stdlib_extsn OBJECT ${stdlib-extsn_sources})
 SET_TARGET_PROPERTIES(libc-stdlib_extsn PROPERTIES COMPILE_DEFINITIONS "BUILDING_VARIANT;VARIANT_DARWINEXTSN")
+
+# DYLD variant
+add_library(libc-stdlib_dyld OBJECT FreeBSD/atexit.c FreeBSD/exit.c FreeBSD/heapsort.c FreeBSD/merge.c FreeBSD/qsort.c FreeBSD/reallocf.c FreeBSD/realpath.c)
+SET_TARGET_PROPERTIES(libc-stdlib_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
+
diff --git a/src/libc/string/CMakeLists.txt b/src/libc/string/CMakeLists.txt
index 35ab7cbf4..9ea25cee5 100644
--- a/src/libc/string/CMakeLists.txt
+++ b/src/libc/string/CMakeLists.txt
@@ -95,3 +95,7 @@ set(string-legacy_sources
 add_library(libc-string_legacy OBJECT ${string-legacy_sources})
 SET_TARGET_PROPERTIES(libc-string_legacy PROPERTIES COMPILE_DEFINITIONS "BUILDING_VARIANT;VARIANT_LEGACY")
 
+# DYLD variant
+add_library(libc-string_dyld OBJECT strcat.c FreeBSD/strchr.c strcpy.c FreeBSD/strdup.c strlcat.c strlcpy.c FreeBSD/strncmp.c FreeBSD/strnlen.c FreeBSD/strrchr.c FreeBSD/strstr.c)
+SET_TARGET_PROPERTIES(libc-string_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
+
diff --git a/src/libc/sys/CMakeLists.txt b/src/libc/sys/CMakeLists.txt
index e3552cc7b..ca1ff8c47 100644
--- a/src/libc/sys/CMakeLists.txt
+++ b/src/libc/sys/CMakeLists.txt
@@ -48,3 +48,6 @@ set(sys-noinode64_sources statx_np.c)
 add_library(libc-sys_noinode64 OBJECT ${sys-noinode64_sources})
 SET_TARGET_PROPERTIES(libc-sys_noinode64 PROPERTIES COMPILE_FLAGS "-U__DARWIN_UNIX03 -U__DARWIN_64_BIT_INO_T -DVARIANT_INODE32 -DBUILDING_VARIANT -D_DARWIN_NO_64_BIT_INODE")
 
+add_library(libc-sys_dyld OBJECT gettimeofday.c)
+SET_TARGET_PROPERTIES(libc-sys_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
+
diff --git a/src/libc/threads/CMakeLists.txt b/src/libc/threads/CMakeLists.txt
index db4ee3c49..cea697077 100644
--- a/src/libc/threads/CMakeLists.txt
+++ b/src/libc/threads/CMakeLists.txt
@@ -11,3 +11,7 @@ set(threads_sources
 )
 
 add_library(libc-threads OBJECT ${threads_sources})
+
+add_library(libc-threads_dyld OBJECT mig_support.c)
+SET_TARGET_PROPERTIES(libc-threads_dyld PROPERTIES COMPILE_FLAGS "-UBUILDING_VARIANT -DVARIANT_DYLD -DVARIANT_CANCELABLE -DVARIANT_DARWINEXTSN")
+
diff --git a/src/libc/x86_64/CMakeLists.txt b/src/libc/x86_64/CMakeLists.txt
index 5a341bb69..55c6c75e9 100644
--- a/src/libc/x86_64/CMakeLists.txt
+++ b/src/libc/x86_64/CMakeLists.txt
@@ -91,4 +91,5 @@ set(x86_64_sources ${x86_64_sources}
 
 add_library(libc-hwplat OBJECT ${x86_64_sources})
 
+add_library(libc-hwplat_dyld OBJECT pthreads/pthread_set_self.S pthreads/pthread_self.S pthreads/pthread_getspecific.S pthreads/preempt.S string/__bzero.S string/bcopy_sse3x.S string/bzero_sse2.S string/ffs.S string/longcopy_sse3x.S string/strcmp.S string/strlen.S string/strncpy.S sys/OSAtomic.S sys/i386_gettimeofday_asm.S sys/spinlocks_asm.S)