On Tue, 31 Oct 2017, at 20:13, Georg Ströhlein wrote:
> I have successfully (??) set up MSYS2 x64 together with gcc x64 and
> geany x64 on a Win7x64 PC.
>
> The exe files created from the source HelloWorld.cpp:
>
> #include <iostream>
> using namespace std;
>
> int main()
>
> {
> cout << "Hello World.\n";
> return 0;
>
> }
>
> by either geany or entering
>
> z://MSYS2/mingw64/bin/g++ -o Helloworld Helloworld.cpp
>
> in the x64 bash run well only from the command line of the MINGW_x64
> bash.
I installed MSYS2 on a W8.1 64-bit system a couple of weeks ago, and
then
both the 32 and 64-bit MinGW-w64 toolchains. I know nearly nothing
about
all this... but my test compiles worked.
However I ran them from a Windows command prompt, not the MSYS2 or
MinGW-w64 shells.
I started by temporarily changing the Windows PATH, by
C:\>PATH %PATH%;E:\Msys2-64\mingw64\bin
then explicitly executed the specific g++ I wanted:
"C:\>E:\Msys2-64\mingw64\bin\x86_64-w64-mingw32-g++.exe" ...
My HelloWorld.cpp is almost identical to your one. The .exe that the
compiler produced is 385 KB in size.
--
Jeremy Nicoll - my opinions are my own.
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