How to use MinGW-w64 with Cygwin?

Question

MinGW-w64 has been available with Cygwin at least since December 2010. However I am having hard time using this to compile almost anything. I have set symbolic links with alternatives

p=x86_64-w64-mingw32
alternatives \
    --install /usr/bin/gcc.exe gcc /usr/bin/$p-gcc.exe 0 \
    --slave /usr/bin/ar.exe ar /usr/bin/$p-ar.exe

For example if I try to compile wget

./configure --without-ssl
make

Errors (edited for brevity)

connect.o:connect.c:(.text+0x3f): undefined reference to `__imp_htons'
connect.o:connect.c:(.text+0xbe7): undefined reference to `__imp_ntohs'
connect.o:connect.c:(.text+0xd96): undefined reference to `run_with_timeout'

If I use

MinGW shell with MinGW gcc
Cygwin shell with Cygwin gcc (gcc4-core)

Then Wget will compile.

Based off ak2 answer, this seems to work

./configure --host=x86_64-w64-mingw32 --disable-ipv6 --without-ssl
make

cxw · Accepted Answer · 2016-08-10 19:19:50Z

23

ak2 is partially incorrect as stated here.

The correct option is --host=x86_64-w64-mingw32, as you found out. --target is used for building a cross-compiler itself. The options are:

--build: What you are building on
--host: What you are building for
--target: If what you are building is a cross-compiler, what that cross-compiler will build for.

edited Aug 10, 2016 at 19:19

cxw

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answered Mar 1, 2013 at 1:35

Jonathan Baldwin

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ak2 · Accepted Answer · 2012-05-08 07:27:00Z

7

Cygwin's MinGW-w64 compiler is a cross-compiler, because it's hosted on Cygwin but targeting MinGW-w64. You just need to tell configure about it using the --target option, like so:

--target=x86_64-w64-mingw32

That way, make will be invoking the appropriate tools. You'll also need to install or build MinGW-w64 versions of any libraries that the package you're trying to build depends on.

Bending the alternatives system to have the tools in /usr/bin point at the MinGW-w64 ones is not a good idea, because that way you'll be using MinGW tools with Cygwin headers and libraries, which leads to errors like the ones you quoted above.

answered May 8, 2012 at 7:27

ak2

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1 Comment

Admia Over a year ago

I have installed the package mingw64-x86_64-gcc-g++ in Cygwin. However, which g++ does not show any g++. Where is the installed mingw64 compiler? For this mingw64-x86_64-gcc-g++ what should I set in ./configure --target=???

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