@echo off

cls

set list=.\test_call.c

set path_32=C:\MinGW32\bin\
set path_64=C:\MinGW64\bin\

attrib -h -r -s .\test_call_x86.dll
%path_32%gcc.exe -O2 -lm -mdll -m32 %list% -o .\test_call_x86.dll

attrib -h -r -s .\test_call_x64.dll
%path_64%x86_64-w64-mingw32-gcc.exe -O2 -lm -mdll -m64 %list% -o .\test_call_x64.dll