Picolib (#24558)

lib/lib_div/ams/TimeLib.h

@@ -18,8 +18,10 @@
 
 
 #if !defined(__time_t_defined) // avoid conflict with newlib or other posix libc
+#if !defined(__PICOLIBC__)
 typedef unsigned long time_t;
 #endif
+#endif
 
 
 // This ugly hack allows us to define C++ overloaded functions, when included

tasmota/tasmota_support/support_float.ino

@@ -148,13 +148,20 @@ double TaylorLog(double x)
 // This is demo code to guide developers in implementing their own approximation
 // software. This code is merely meant to illustrate algorithms.
 
-inline float sinf(float x) { return sin_52(x); }
-inline float cosf(float x) { return cos_52(x); }
-inline float tanf(float x) { return tan_56(x); }
-inline float atanf(float x) { return atan_66(x); }
-inline float asinf(float x) { return asinf1(x); }
-inline float acosf(float x) { return acosf1(x); }
-inline float sqrtf(float x) { return sqrt1(x); }
+float sinf(float x) __attribute__((weak));
+float sinf(float x) { return sin_52(x); }
+float cosf(float x) __attribute__((weak));
+float cosf(float x) { return cos_52(x); }
+float tanf(float x) __attribute__((weak));
+float tanf(float x) { return tan_56(x); }
+float atanf(float x) __attribute__((weak));
+float atanf(float x) { return atan_66(x); }
+float asinf(float x) __attribute__((weak));
+float asinf(float x) { return asinf1(x); }
+float acosf(float x) __attribute__((weak));
+float acosf(float x) { return acosf1(x); }
+float sqrtf(float x) __attribute__((weak));
+float sqrtf(float x) { return sqrt1(x); }
 
 // Math constants we'll use
 double const f_pi           = 3.1415926535897932384626433;  // f_pi

tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_tcpclientasync.ino

@@ -26,10 +26,17 @@
 #include <lwip/sockets.h>
 #include <lwip/netdb.h>
 
+#ifdef CONFIG_LIBC_PICOLIBC
+#define T_IN6_IS_ADDR_V4MAPPED(a) \
+        ((((const uint32_t *) (a))[0] == 0) \
+         && (((const uint32_t *) (a))[1] == 0) \
+         && (((const uint32_t *) (a))[2] == htonl (0xffff)))
+#else
 #define T_IN6_IS_ADDR_V4MAPPED(a) \
         ((((__const uint32_t *) (a))[0] == 0) \
          && (((__const uint32_t *) (a))[1] == 0) \
          && (((__const uint32_t *) (a))[2] == htonl (0xffff)))
+#endif
 
 enum class AsyncTCPState {
   INPROGRESS,