From ed291840d3a841bb5b49457c88c57e8467e4a5b0 Mon Sep 17 00:00:00 2001
From: "Joshua M. Clulow" <josh@sysmgr.org>
Date: Thu, 29 Apr 2021 06:40:08 -0700
Subject: [PATCH] add illumos support (#1501)

---
 CMake/TdSetUpCompiler.cmake             | 12 +++++++++++-
 CMake/illumos.cmake                     | 11 +++++++++++
 CMakeLists.txt                          |  2 ++
 README.md                               |  2 +-
 td/generate/tl-parser/portable_endian.h |  2 +-
 tdutils/td/utils/port/config.h          |  3 +++
 tdutils/td/utils/port/platform.h        |  1 +
 tdutils/td/utils/port/uname.cpp         |  2 +-
 8 files changed, 31 insertions(+), 4 deletions(-)
 create mode 100644 CMake/illumos.cmake

diff --git a/CMake/TdSetUpCompiler.cmake b/CMake/TdSetUpCompiler.cmake
index 11a681c1f..73f74cbdb 100644
--- a/CMake/TdSetUpCompiler.cmake
+++ b/CMake/TdSetUpCompiler.cmake
@@ -5,6 +5,8 @@ function(td_set_up_compiler)
 
   set(CMAKE_POSITION_INDEPENDENT_CODE ON PARENT_SCOPE)
 
+  include(illumos)
+
   if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     set(GCC 1)
     set(GCC 1 PARENT_SCOPE)
@@ -58,7 +60,9 @@ function(td_set_up_compiler)
     else()
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections")
-      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
+      if (NOT ILLUMOS)
+        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
+      endif()
     endif()
 
     if (WIN32 OR CYGWIN)
@@ -81,6 +85,12 @@ function(td_set_up_compiler)
     add_definitions(-D_FILE_OFFSET_BITS=64)
   endif()
 
+  if (ILLUMOS)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -lnsl -lsocket")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -lnsl -lsocket")
+    add_definitions(-DTD_ILLUMOS=1)
+  endif()
+
   include(AddCXXCompilerFlag)
   if (NOT MSVC)
     add_cxx_compiler_flag("-Wall")
diff --git a/CMake/illumos.cmake b/CMake/illumos.cmake
new file mode 100644
index 000000000..b0b561743
--- /dev/null
+++ b/CMake/illumos.cmake
@@ -0,0 +1,11 @@
+if (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+    #
+    # Determine if the host is running an illumos distribution:
+    #
+    execute_process(COMMAND /usr/bin/uname -o OUTPUT_VARIABLE UNAME_O
+        OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    if (UNAME_O STREQUAL "illumos")
+        set(ILLUMOS 1)
+    endif()
+endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93f9a442f..70acbdc96 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,8 @@ if (POLICY CMP0060)
   cmake_policy(SET CMP0060 NEW)
 endif()
 
+include(illumos)
+
 include(PreventInSourceBuild)
 prevent_in_source_build()
 
diff --git a/README.md b/README.md
index 061f3cca3..22ed6f6ae 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ TDLib (Telegram Database library) is a cross-platform library for building [Tele
 
 `TDLib` has many advantages. Notably `TDLib` is:
 
-* **Cross-platform**: `TDLib` can be used on Android, iOS, Windows, macOS, Linux, FreeBSD, OpenBSD, NetBSD, Windows Phone, WebAssembly, watchOS, tvOS, Tizen, Cygwin. It should also work on other *nix systems with or without minimal effort.
+* **Cross-platform**: `TDLib` can be used on Android, iOS, Windows, macOS, Linux, FreeBSD, OpenBSD, NetBSD, illumos, Windows Phone, WebAssembly, watchOS, tvOS, Tizen, Cygwin. It should also work on other *nix systems with or without minimal effort.
 * **Multilanguage**: `TDLib` can be easily used with any programming language that is able to execute C functions. Additionally it already has native Java (using `JNI`) bindings and .NET (using `C++/CLI` and `C++/CX`) bindings.
 * **Easy to use**: `TDLib` takes care of all network implementation details, encryption and local data storage.
 * **High-performance**: in the [Telegram Bot API](https://core.telegram.org/bots/api), each `TDLib` instance handles more than 24000 active bots simultaneously.
diff --git a/td/generate/tl-parser/portable_endian.h b/td/generate/tl-parser/portable_endian.h
index 9f6d2f41c..7338c3aef 100644
--- a/td/generate/tl-parser/portable_endian.h
+++ b/td/generate/tl-parser/portable_endian.h
@@ -17,7 +17,7 @@
 
 #endif
 
-#if defined(__linux__) || defined(__CYGWIN__)
+#if defined(__linux__) || defined(__CYGWIN__) || defined(__sun)
 
 #	include <endian.h>
 
diff --git a/tdutils/td/utils/port/config.h b/tdutils/td/utils/port/config.h
index 65d809ab4..b431f41ad 100644
--- a/tdutils/td/utils/port/config.h
+++ b/tdutils/td/utils/port/config.h
@@ -34,6 +34,9 @@
 #elif TD_WINDOWS
   #define TD_POLL_WINEVENT 1
   #define TD_EVENTFD_WINDOWS 1
+#elif TD_ILLUMOS
+  #define TD_POLL_EPOLL 1
+  #define TD_EVENTFD_LINUX 1
 #else
   #error "Poll's implementation is not defined"
 #endif
diff --git a/tdutils/td/utils/port/platform.h b/tdutils/td/utils/port/platform.h
index 7ca2341b2..1a596c3ed 100644
--- a/tdutils/td/utils/port/platform.h
+++ b/tdutils/td/utils/port/platform.h
@@ -53,6 +53,7 @@
   #define TD_CYGWIN 1
 #elif defined(__EMSCRIPTEN__)
   #define TD_EMSCRIPTEN 1
+#elif defined(TD_ILLUMOS)
 #elif defined(__unix__)  // all unices not caught above
   #warning "Probably unsupported Unix platform. Feel free to try to compile"
   #define TD_CYGWIN 1
diff --git a/tdutils/td/utils/port/uname.cpp b/tdutils/td/utils/port/uname.cpp
index d2e5b741f..628cc5bd2 100644
--- a/tdutils/td/utils/port/uname.cpp
+++ b/tdutils/td/utils/port/uname.cpp
@@ -194,7 +194,7 @@ Slice get_operating_system_version() {
     }
 #endif
 
-    utsname name;
+    struct utsname name;
     int err = uname(&name);
     if (err == 0) {
       auto os_name = trim(PSTRING() << Slice(name.sysname, std::strlen(name.sysname)) << " "