--- td-1.6.0/tdutils/td/utils/port/platform.h	Fri Jan 31 01:47:49 2020
+++ p0/td-1.6.0/tdutils/td/utils/port/platform.h	Fri Mar 25 14:01:14 2022
@@ -53,6 +53,9 @@
   #define TD_CYGWIN 1
 #elif defined(__EMSCRIPTEN__)
   #define TD_EMSCRIPTEN 1
+#elif defined(__sun)
+  #define TD_SOLARIS 1
+  // TD_ILLUMOS can be already defined by C
 #elif defined(__unix__)  // all unices not caught above
   #warning "Probably unsupported Unix platform. Feel free to try to compile"
   #define TD_CYGWIN 1