Just for the record:
It doesn't compile on -current/amd64, with:
cc -c -I. -I. -I../../include -I../../include -D__WINESRC__ -DREGISTER_PROXY_DLL
-DPROXY_CLSID_IS="{ 0xb8da6310, 0xe19b, 0x11d0, { 0x93, 0x3c, 0x00, 0xa0, 0xc9,
0x0d, 0xca, 0xa9 } }" -D_REENTRANT -fPIC -Wall -pipe -fno-strict-aliasing
-Wdeclaration-after-statement -Wwrite-strings -Wpointer-arith -DLDAP_DEPRECATED
-I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -O2 -DLDAP_DEPRECATED
-I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -o actxprxy_servprov_p.o
actxprxy_servprov_p.c
actxprxy_servprov_p.c:274:2: error: #error Currently only Wine and WIN32 are
supported.