[linux] fix aarch64 builds (again) + fix with slightly outdated qt (#2612)

Fixes issues building on aarch64 linux with a slightly outdated system qt; also fixes linker selection process

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: eden-emu/eden#2612
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -895,13 +895,13 @@ if (MSVC AND CXX_CLANG)
 endif()
 
 if (YUZU_USE_FASTER_LD)
+    # fallback if everything fails (bfd)
+    set(LINKER bfd)
     # clang should always use lld
     find_program(LLD lld)
-
     if (LLD)
         set(LINKER lld)
     endif()
-
     # GNU appears to work better with mold
     # TODO: mold has been slow lately, see if better options exist (search for gold?)
     if (CXX_GCC)
@@ -910,7 +910,6 @@ if (YUZU_USE_FASTER_LD)
             set(LINKER mold)
         endif()
     endif()
-
     message(NOTICE "Selecting ${LINKER} as linker")
     add_link_options("-fuse-ld=${LINKER}")
 endif()

src/dynarmic/tests/CMakeLists.txt

@@ -135,6 +135,8 @@ target_include_directories(dynarmic_tests PRIVATE . ../src)
 target_compile_options(dynarmic_tests PRIVATE ${DYNARMIC_CXX_FLAGS})
 target_compile_definitions(dynarmic_tests PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
 
-target_compile_options(dynarmic_tests PRIVATE -mavx2)
+if ("x86_64" IN_LIST ARCHITECTURE)
+    target_compile_options(dynarmic_tests PRIVATE -mavx2)
+endif()
 
 add_test(dynarmic_tests dynarmic_tests --durations yes)

src/yuzu/configuration/shared_widget.h

@@ -13,6 +13,7 @@
 #include <QString>
 #include <QStringLiteral>
 #include <QWidget>
+#include <QObject>
 #include <qobjectdefs.h>
 #include "qt_common/shared_translation.h"