From 3007094fb83e385ab5e9ade08a835ec0d6cfc7b3 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 30 Apr 2021 01:48:01 +0300
Subject: [PATCH] Use -Wl,-z,ignore on illumos.

---
 CMake/TdSetUpCompiler.cmake |  9 +++------
 CMake/illumos.cmake         | 15 +++++++--------
 tdutils/CMakeLists.txt      |  2 +-
 test/CMakeLists.txt         |  2 +-
 4 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/CMake/TdSetUpCompiler.cmake b/CMake/TdSetUpCompiler.cmake
index 73f74cbdb..148415f9c 100644
--- a/CMake/TdSetUpCompiler.cmake
+++ b/CMake/TdSetUpCompiler.cmake
@@ -42,11 +42,6 @@ function(td_set_up_compiler)
     message(FATAL_ERROR "No C++14 support in the compiler. Please upgrade the compiler.")
   endif()
 
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
-  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
-
   if (MSVC)
     if (CMAKE_CXX_FLAGS_DEBUG MATCHES "/RTC1")
       string(REPLACE "/RTC1" " " CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
@@ -60,7 +55,9 @@ function(td_set_up_compiler)
     else()
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections")
-      if (NOT ILLUMOS)
+      if (ILLUMOS)
+        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,ignore")
+      else()
         set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
       endif()
     endif()
diff --git a/CMake/illumos.cmake b/CMake/illumos.cmake
index b0b561743..70583d1a8 100644
--- a/CMake/illumos.cmake
+++ b/CMake/illumos.cmake
@@ -1,11 +1,10 @@
 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)
+  #
+  # 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()
+  if (UNAME_O STREQUAL "illumos")
+    set(ILLUMOS 1)
+  endif()
 endif()
diff --git a/tdutils/CMakeLists.txt b/tdutils/CMakeLists.txt
index 7fe0d9340..71a760b4e 100644
--- a/tdutils/CMakeLists.txt
+++ b/tdutils/CMakeLists.txt
@@ -360,7 +360,7 @@ if (ANDROID)
   target_link_libraries(tdutils PRIVATE log)
 endif()
 
-if (CMAKE_HOST_SYSTEM_NAME MATCHES "NetBSD")
+if (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
   target_link_libraries(tdutils PUBLIC /usr/pkg/gcc5/i486--netbsdelf/lib/libatomic.so)
 endif()
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ed1893fd3..239eb5d99 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -49,7 +49,7 @@ if (NOT CMAKE_CROSSCOMPILING OR EMSCRIPTEN)
   add_executable(test-tdutils EXCLUDE_FROM_ALL ${TESTS_MAIN} ${TDUTILS_TEST_SOURCE})
   add_executable(test-online EXCLUDE_FROM_ALL online.cpp)
   add_executable(run_all_tests ${TESTS_MAIN} ${TD_TEST_SOURCE})
-  if (CLANG AND NOT CYGWIN AND NOT EMSCRIPTEN AND NOT (CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD") AND NOT (CMAKE_SIZEOF_VOID_P EQUAL 4))
+  if (CLANG AND NOT CYGWIN AND NOT EMSCRIPTEN AND NOT (CMAKE_SYSTEM_NAME MATCHES "OpenBSD") AND NOT (CMAKE_SIZEOF_VOID_P EQUAL 4))
     target_compile_options(test-tdutils PUBLIC -fsanitize=undefined -fno-sanitize=vptr)
     target_compile_options(run_all_tests PUBLIC -fsanitize=undefined -fno-sanitize=vptr)
     target_compile_options(test-online PUBLIC -fsanitize=undefined -fno-sanitize=vptr)