error: '_strcmpi' was not declared in this scope

[bp2]

I downloaded irrlicht-1.8.4 on Windows, went into source/Irrlicht and run make win32 because I want to compile the sources with MinGW.
I get this error:

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g++ -Wall -pipe -fno-exceptions -fno-rtti -fstrict-aliasing -g -D_DEBUG -I../../include -Izlib -Ijpeglib -Ilibpng -DIRRLICHT_EXPORTS=1 -DNO_IRR_COMPILE_WITH_DIRECTINPUT_JOYSTICK_ -DNO_IRR_COMPILE_WITH_DIRECT3D_9_ -DIRR_COMPILE_WITH_DX9_DEV_PACK -D__GNUWIN32__ -D_WIN32 -DWIN32 -D_WINDOWS -D_MBCS -D_USRDLL  -c -o CIrrDeviceWin32.o CIrrDeviceWin32.cpp
CIrrDeviceWin32.cpp: In member function 'void irr::CIrrDeviceWin32::getWindowsVersion(irr::core::stringc&)':
CIrrDeviceWin32.cpp:1611:40: error: '_strcmpi' was not declared in this scope
CIrrDeviceWin32.cpp:1613:43: error: '_strcmpi' was not declared in this scope
CIrrDeviceWin32.cpp:1615:43: error: '_strcmpi' was not declared in this scope
<builtin>: recipe for target `CIrrDeviceWin32.o' failed
make: *** [CIrrDeviceWin32.o] Error 1

How can I resolve this error?

[bp2]

I commented the lines of code where there is _strcmpi (in hope that I will not need this piece of code) then the compilation continues. I run make staticlib_win32 because I would like to try to make a static compilation. I get the file ../../lib/Win32-gcc/libIrrlicht.a of 55 Mo but when I try to use it:

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g++ -static -mwindows -I../../include ../../lib/Win32-gcc/libIrrlicht.a main.cpp -o ex01.exe
/tmp/cciRcIRh.o:main.cpp:(.text+0x76): undefined reference to `createDevice'
collect2: error: ld returned 1 exit status

What did I do wrong?

[CuteAlien]

Somehow you compile in strict ansi mode. But I'm not quite sure why as I don't see it from your compile-flags. It happens when people compile with -std=c++0x instead of -std=gnu++0x (so often the case when trying to use c++11), but you set neither. Maybe newer g++ somehow has that as default now? Which g++ version are you using. I'm testing here currently with g++ 6.3.0 on MinGW, which I guess is somewhat outdated.

The other error - yeah it doesn't link. Not sure if you can set relative paths for linker. Usually you set the path with -Lpath and then only use the name like -lIrrlicht (without lib and .a). Maybe that's it (thought I would expect other errors then...).

[netpipe]

use strcasecmp in its place on linux

[CuteAlien]

MinGW should be using the Windows API, not unix and this function is only used in the Win32 device. But I guess we could just get rid of it there and use our core::stringc class (it's not a speed relevant place anyway). No need to keep a potential problem around for 3 lines which can be done otherwise.

edit: All uses of _strcmpi are now removed from the engine (r5962, will be in Irrlicht 1.9).