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On 8/18/2011 13:44, Frédéric Bron wrote: > Using cygwin 1.7.9(0.237/5/3) 2011-03-29 10:10. > > The following program: > > #include <iostream> > int main() { > std::cout<<__MINGW32_MAJOR_VERSION<<'.'<<__MINGW32_MINOR_VERSION<<'\n'; > return 0; > } > > outputs: > - 3.18 when built with i686-pc-mingw32-g++ > - 3.11 when built with i686-w64-mingw32-g++ > why? > I have mingw-runtime version 3.18 installed. Is it used only by i686-pc-mingw32? > > I found that: > $ grep -r "#define *__MINGW32_MINOR_VERSION" /usr/i686-pc-mingw32/ > /usr/i686-pc-mingw32/sys-root/mingw/include/_mingw.h:#define > __MINGW32_MINOR_VERSION 18 > and > $ grep -r "#define *__MINGW32_MINOR_VERSION" /usr/i686-w64-mingw32/ > /usr/i686-w64-mingw32/sys-root/mingw/include/_mingw_mac.h:#define > __MINGW32_MINOR_VERSION 11 > > This seems to be one of the reasons that prevents me to use boost on cygwin 1.7. > > Regards, > > Frédéric > Just bump it up and see if there are any issues, the mingw-w64 toolchain uses its own header set and the numbers don't always reflect mingw.org releases, since the macros in there are mainly for compatibility. You want to check instead for __MINGW64_VERSION_MAJOR on mingw-w64.
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