Merge pull request #6274

begasus (2):
      feat(haiku): Don't use fstack-protector on Haiku
      feat(haiku): Haiku doesn't use sys/errno.h

CMakeLists.txt

@@ -104,7 +104,7 @@ if (COMPILER_SUPPORTS_WDATE_TIME)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wdate-time")
 endif()
 
-if (NOT WIN32)
+if (NOT WIN32 AND NOT HAIKU)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector-all")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wstack-protector")
 endif()

src/widget/qrwidget.cpp

@@ -25,7 +25,7 @@
 #include <QPainter>
 #include <qrencode.h>
 
-#ifdef Q_OS_WIN32
+#if defined(Q_OS_WIN32) || defined(Q_OS_HAIKU)
 #include <errno.h>
 #else
 #include <sys/errno.h>