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2018 Oct 02
1
How do I set a compile flag _WIN32_WINNT=0x600 in Makevars.Win
Sorry for bothering you
I am trying to build the R grpc package on windows:
https://github.com/nfultz/grpc
against an MSYS2 build of grpc.
when running devtools::install() I am getting the following error:
C:/msys64/mingw64/include/grpc/impl/codegen/port_platform.h:47:2:
error: #error "Please compile grpc with _WIN32_WINNT of at least 0x600
(aka Windows Vista)"
#error \
^
Which, if I am correct asks me to set _WIN32_WINNT=0x600
My Makevars.Win looks as follows:
PKG_CPPFLAGS=-IC:/msys64/mingw64/include
PKG_LIBS=-LC:/msys64/mingw64/lib -lgrpc...