QtAutogen: Add source files to target when only AUTORCC is used.

Add missing entry to if condition.
QtAutogen: Process all ui files in a source file (#14981).

Use a vector to store a list of matched ui_ includes, instead of
overwriting the previous match.
Merge topic 'autogen-fixes' into next

7bddcf33 QtAutogen: Process all ui files in a source file (#14981).
b8877b1d QtAutogen: Add source files to target when only AUTORCC is used.
Clang: Don't overwrite c++11 compile option value with c++14 flag.
Clang: Enable c++14 dialect flag with Clang 3.5.
Merge topic 'clang-compile-options-cxx14' into next

49b8140e Clang: Enable c++14 dialect flag with Clang 3.5.
0b80fc35 Clang: Don't overwrite c++11 compile option value with c++14 flag.
Remove const char string comparison helper.

It is now unused.
Simplify use of binary_search.

A local string was created when dir was a const char*. Now dir is a
std::string already so the dirString is vestigal.
Merge topic 'minor-cleanups' into next

80bda168 Simplify use of binary_search.
1927e4ba Remove const char string comparison helper.