Add Haiku support (#2859)

[TIP]:  # ( Provide a general summary of your changes in the title above ^^ )

## Type of change
[NOTE]: # ( Please remove all lines which don't apply. )
- ✅ New feature (non-breaking change which adds functionality)

## Description and Context
[NOTE]: # ( Describe your changes in detail, why is this change required? )
[NOTE]: # ( Describe the context of your change. Explain large code modifications. )
[NOTE]: # ( If it fixes an open issue, please add "Fixes #XXX" as necessary )
Originally submitted by @diversys in #2696 

## Checklist:
[NOTE]: # ( Please go over all the following points. )
[NOTE]: # ( Again, remove any lines which don't apply. )
[NOTE]: # ( Pull Requests that don't fulfill all [REQUIRED] requisites are likely )
[NOTE]: # ( to be sent back to you for correction or will be rejected.  )
- ✅ I have read the **CONTRIBUTING** document. **[REQUIRED]**
- ✅ My code follows the code style of this project. **[REQUIRED]**
- ✅ All new and existing tests passed. **[REQUIRED]**
- ✅ I have compiled and verified my code with `-DWITH_ASAN=ON`. **[REQUIRED]**
- ✅ My change requires a change to the documentation, and I have updated it accordingly.

CMakeLists.txt

@@ -192,11 +192,13 @@ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     add_gcc_compiler_flags("-Werror")
 endif()
 
+if (NOT HAIKU)
 if((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.8.999) OR CMAKE_COMPILER_IS_CLANGXX)
     add_gcc_compiler_flags("-fstack-protector-strong")
 else()
     add_gcc_compiler_flags("-fstack-protector --param=ssp-buffer-size=4")
 endif()
+endif()
 
 add_gcc_compiler_cxxflags("-fno-exceptions -fno-rtti")
 add_gcc_compiler_cxxflags("-Wnon-virtual-dtor -Wold-style-cast -Woverloaded-virtual")

share/CMakeLists.txt

@@ -23,7 +23,7 @@ file(GLOB DATABASE_ICONS icons/database/*.png)
 
 install(FILES ${DATABASE_ICONS} DESTINATION ${DATA_INSTALL_DIR}/icons/database)
 
-if(UNIX AND NOT APPLE)
+if(UNIX AND NOT APPLE AND NOT HAIKU)
     install(DIRECTORY icons/application/ DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor
             FILES_MATCHING PATTERN "keepassx*.png" PATTERN "keepassx*.svg"
             PATTERN "status" EXCLUDE PATTERN "actions" EXCLUDE PATTERN "categories" EXCLUDE)
@@ -33,7 +33,7 @@ if(UNIX AND NOT APPLE)
     install(FILES linux/org.keepassxc.KeePassXC.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)
     install(FILES linux/org.keepassxc.KeePassXC.appdata.xml DESTINATION ${CMAKE_INSTALL_DATADIR}/metainfo)
     install(FILES linux/keepassxc.xml DESTINATION ${CMAKE_INSTALL_DATADIR}/mime/packages)
-endif(UNIX AND NOT APPLE)
+endif(UNIX AND NOT APPLE AND NOT HAIKU)
 
 if(APPLE)
   install(FILES macosx/keepassxc.icns DESTINATION ${DATA_INSTALL_DIR})

src/CMakeLists.txt

@@ -293,6 +293,9 @@ if(APPLE)
         target_link_libraries(keepassx_core "-framework LocalAuthentication")
     endif()
 endif()
+if(HAIKU)
+    target_link_libraries(keepassx_core network)
+endif()
 if(UNIX AND NOT APPLE)
     target_link_libraries(keepassx_core Qt5::DBus)
 endif()

src/autotype/CMakeLists.txt

@@ -1,5 +1,5 @@
 if(WITH_XC_AUTOTYPE)
-    if(UNIX AND NOT APPLE)
+    if(UNIX AND NOT APPLE AND NOT HAIKU)
         find_package(X11)
         find_package(Qt5X11Extras 5.2)
         if(PRINT_SUMMARY)

src/crypto/ssh/includes.h

@@ -8,7 +8,7 @@
 #endif
 #include <sys/types.h>
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__HAIKU__)
 #include <stdint.h>
 
 typedef uint32_t u_int32_t;

src/gui/MainWindow.cpp

@@ -391,8 +391,10 @@ MainWindow::MainWindow()
 
     connect(m_ui->tabWidget, SIGNAL(messageDismissGlobal()), this, SLOT(hideGlobalMessage()));
 
+#ifndef Q_OS_HAIKU
     m_screenLockListener = new ScreenLockListener(this);
     connect(m_screenLockListener, SIGNAL(screenLocked()), SLOT(handleScreenLock()));
+#endif
 
     updateTrayIcon();