diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index bd21e2d..794ee03 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -5,7 +5,7 @@
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  */
 
-#if defined(__linux__) && !defined(_GNU_SOURCE)
+#if defined(__linux__) || defined(__midipix__) && !defined(_GNU_SOURCE)
 /* Ensure that syscall() is available even when compiling with -std=c99 */
 #define _GNU_SOURCE
 #endif
diff --git a/library/platform_util.c b/library/platform_util.c
index 9f5dcb8..eafb0aa 100644
--- a/library/platform_util.c
+++ b/library/platform_util.c
@@ -151,10 +151,10 @@
 #include <time.h>
 #if !defined(_WIN32) && (defined(unix) || \
     defined(__unix) || defined(__unix__) || (defined(__APPLE__) && \
-    defined(__MACH__)))
+    defined(__MACH__)) || defined__midipix__)
 #include <unistd.h>
 #endif /* !_WIN32 && (unix || __unix || __unix__ ||
-        * (__APPLE__ && __MACH__)) */
+        * (__APPLE__ && __MACH__) || __midipix__) */
 
 #if !((defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L) ||     \
     (defined(_POSIX_THREAD_SAFE_FUNCTIONS) &&                     \
@@ -222,9 +222,10 @@
 #include <time.h>
 #if !defined(_WIN32) && \
     (defined(unix) || defined(__unix) || defined(__unix__) || \
-    (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__))
+    (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__) || defined(__midipix__))
 #include <unistd.h>
-#endif /* !_WIN32 && (unix || __unix || __unix__ || (__APPLE__ && __MACH__) || __HAIKU__) */
+#endif \
+    /* !_WIN32 && (unix || __unix || __unix__ || (__APPLE__ && __MACH__) || __HAIKU__ || __midipix__) */
 #if (defined(_POSIX_VERSION) && _POSIX_VERSION >= 199309L) || defined(__HAIKU__)
 mbedtls_ms_time_t mbedtls_ms_time(void)
 {
@@ -232,7 +233,7 @@
     struct timespec tv;
     mbedtls_ms_time_t current_ms;
 
-#if defined(__linux__) && defined(CLOCK_BOOTTIME)
+#if defined(__linux__) && defined(CLOCK_BOOTTIME) || defined(__midipix__)
     ret = clock_gettime(CLOCK_BOOTTIME, &tv);
 #else
     ret = clock_gettime(CLOCK_MONOTONIC, &tv);