diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7fda20809..2b8fd2f55 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -64,6 +64,7 @@ add_definitions(
 	-D__MACH__
 	-D_DARWIN_C_SOURCE
 	-D_POSIX_C_SOURCE
+	-DDARWIN
 	-DTARGET_OS_MAC=1
 )
 
diff --git a/src/external/apr b/src/external/apr
index e9796387d..d280360fd 160000
--- a/src/external/apr
+++ b/src/external/apr
@@ -1 +1 @@
-Subproject commit e9796387d665d4524faa80721e5df64acb3ba078
+Subproject commit d280360fd3d08fbc05e1e993e344633c518f18b1
diff --git a/src/external/tcsh b/src/external/tcsh
index 4e003e14d..89b1aafd5 160000
--- a/src/external/tcsh
+++ b/src/external/tcsh
@@ -1 +1 @@
-Subproject commit 4e003e14dffd45a7ae5a78666c0f7088de0e1d4c
+Subproject commit 89b1aafd516c857629009b3b6c4a3bc9100f43c6