In rP26023#54522, @Freagarach wrote:

KeyName.cpp
../../../source/ps/KeyName.cpp: In function ‘SDL_Scancode FindScancode(const CStr8&)’:
../../../source/ps/KeyName.cpp:92:22: error: ‘find_if’ is not a member of ‘std’
   92 |                 std::find_if(scancodemap.begin(), scancodemap.end(), [&keyname](const std::pair<int, std::vector<CStr>>& names) {
      |                      ^~~~~~~
../../../source/ps/KeyName.cpp: In lambda function:
../../../source/ps/KeyName.cpp:93:37: error: ‘find_if’ is not a member of ‘std’
   93 |                         return std::find_if(names.second.begin(), names.second.end(), [&keyname](const CStr& t) {
      |                                     ^~~~~~~
make[1]: *** [engine.make:352: obj/engine_Release/KeyName.o] Error 1
make: *** [Makefile:117: engine] Error 2

I suppose without PCH on Linux? Because on Windows it works.

Was pulling <algorithm> from utf16string.h can you try adding it to that file @Freagarach?

In rP26023#54525, @vladislavbelov wrote:

I suppose without PCH on Linux? Because on Windows it works.

Aye.

In rP26023#54527, @Stan wrote:

Was pulling <algorithm> from utf16string.h can you try adding it to that file @Freagarach?

Yep, that works.