4 files changed, 5 insertions, 0 deletions
diff --git a/src/platform/posix/posix_ipc.c b/src/platform/posix/posix_ipc.c
index 584dc4a9..52474734 100644
--- a/src/platform/posix/posix_ipc.c
+++ b/src/platform/posix/posix_ipc.c
@@ -11,6 +11,7 @@
 
 #ifdef PLATFORM_POSIX_IPC
 
+#include <errno.H>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/src/platform/posix/posix_net.c b/src/platform/posix/posix_net.c
index eb85669f..24b45819 100644
--- a/src/platform/posix/posix_net.c
+++ b/src/platform/posix/posix_net.c
@@ -11,6 +11,7 @@
 
 #ifdef PLATFORM_POSIX_NET
 
+#include <errno.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
diff --git a/src/platform/posix/posix_pipe.c b/src/platform/posix/posix_pipe.c
index 28cd909c..c86022ef 100644
--- a/src/platform/posix/posix_pipe.c
+++ b/src/platform/posix/posix_pipe.c
@@ -12,6 +12,8 @@
 
 #ifdef PLATFORM_POSIX_PIPE
 
+#include <errno.h>
+
 // This implementation of notification pipes works ~everywhere on POSIX,
 // as it only relies on pipe() and non-blocking I/O.
 
diff --git a/src/platform/posix/posix_thread.c b/src/platform/posix/posix_thread.c
index fddc25da..72e1bcaf 100644
--- a/src/platform/posix/posix_thread.c
+++ b/src/platform/posix/posix_thread.c
@@ -13,6 +13,7 @@
 
 #ifdef PLATFORM_POSIX_THREAD
 
+#include <errno.h>
 #include <pthread.h>
 #include <time.h>
 #include <string.h>