Summary: Platform definitions on Solaris

From: Andreas Höschler (ahoesch_at_smartsoft.de)
Date: 10/31/05

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    Date: Mon, 31 Oct 2005 10:15:27 +0100
To: sunmanagers@sunmanagers.org

    Dear maangers,

    thanks for your replies (less than usual). :-)

    > we are building C-code on MacOSX, Solaris, Linux,... using gcc. We
    > just realized, that cfsetspeed and cfmakeraw do not exist on Solaris.
    > Does anybody know the corresponding replacements?

    I googled some more and finally found that the replacements would
    probably be:

        // cfmakeraw(&options); // <--- not available on Solaris, so we
    better do it manually
        // begin of cfmakeraw replacement
        options.c_iflag &=
    ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
        options.c_oflag &= ~OPOST;
        options.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
        options.c_cflag &= ~(CSIZE|PARENB);
        options.c_cflag |= CS8;
        // end of cfmakeraw replacement

        // cfsetspeed(&options, speed); // not available on Solaris, so we
    better do it manually
        // begin of cfsetspeed replacement
        cfsetospeed(&options, speed); // Set 9600 baud
        cfsetispeed(&options, speed); // Set 9600 baud
        // end of cfsetspeed replacement

    > On MacOSX we use "#ifdef __APPLE__" to comment out code that does not
    > work on MacOSX. What definition can we use to comment out code on
    > Solaris (e.g. the lines containing cfsetspeed,...)?

    Special thanks to Dale Ghent <daleg@elemental.org> who outlined that we
    can use

            touch foo.h; cpp -dM foo.h

    to get a list of defined macros on each platform. It seems that

    #ifdef __sparc
    ...
    #endif

    would be it.

    Thanks a lot!

    Regards,

       Andreas
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