diff --git a/src/ExtMath.c b/src/ExtMath.c
index 7fdd0284c..02c87853e 100644
--- a/src/ExtMath.c
+++ b/src/ExtMath.c
@@ -74,6 +74,12 @@ cc_bool Math_IsPowOf2(int value) {
 	return value != 0 && (value & (value - 1)) == 0;
 }
 
+#ifdef CC_BUILD_DREAMCAST
+/* If don't have some code referencing libm, then gldc will fail to link with undefined reference to fabs */
+/* TODO: Properly investigate this issue */
+double make_dreamcast_build_compile(void) { fabs(4); }
+#endif
+
 
 /*########################################################################################################################*
 *--------------------------------------------------Random number generator------------------------------------------------*
diff --git a/third_party/bearssl/src/config.h b/third_party/bearssl/src/config.h
index 94627a23c..edf5d254b 100644
--- a/third_party/bearssl/src/config.h
+++ b/third_party/bearssl/src/config.h
@@ -32,6 +32,15 @@
  * non-zero integer (normally 1). If the macro is not defined, then
  * autodetection applies.
  */
+ 
+/* The x86 intrinsics seem to be incomplete compared to what aes_x86ni expects when compiling with NXDK */
+#ifdef NXDK
+#define BR_AES_X86NI 0
+#define BR_ENABLE_INTRINSICS 0
+#define BR_SSE2 0
+#define BR_RDRAND 0
+#undef _WIN32
+#endif
 
 /*
  * When BR_64 is enabled, 64-bit integer types are assumed to be
@@ -146,26 +155,6 @@
 #define BR_USE_WIN32_RAND   1
  */
 
-/*
- * When BR_USE_UNIX_TIME is enabled, the X.509 validation engine obtains
- * the current time from the OS by calling time(), and assuming that the
- * returned value (a 'time_t') is an integer that counts time in seconds
- * since the Unix Epoch (Jan 1st, 1970, 00:00 UTC).
- *
-#define BR_USE_UNIX_TIME   1
- */
-
-/*
- * When BR_USE_WIN32_TIME is enabled, the X.509 validation engine obtains
- * the current time from the OS by calling the Win32 function
- * GetSystemTimeAsFileTime().
- *
- * Note: if both BR_USE_UNIX_TIME and BR_USE_WIN32_TIME are defined, the
- * former takes precedence.
- *
-#define BR_USE_WIN32_TIME   1
- */
-
 /*
  * When BR_ARMEL_CORTEXM_GCC is enabled, some operations are replaced with
  * inline assembly which is shorter and/or faster. This should be used