Re: Patches for saned/net/scanimage/user-authorization....

From: Henning Meier-Geinitz (hmg-ml@gmx.de)
Date: Sat Nov 18 2000 - 16:22:41 PST

  • Next message: Michael Vanecek: "xscanimage fails to compile under Helix-Gnome"

    Hi,

    On Sat, Nov 18, 2000 at 10:52:59PM +0100, Jochen Eisinger wrote:
    > AC_TRY_COMPILE([
    > #include <string.h>],[char *c=index(" ",' ')],,CPPFLAGS="${CPPFLAGS}
    > -DNEED_STRINGS_H")

    Doesn't work because the compilers will use int as return type in this
    case and just put out a warning about int assigned to char *. The
    following works, however:

    AC_MSG_CHECKING([for string.h containing index])
    AC_TRY_COMPILE([
    #include <string.h>
    ],[
    char a[] = "a";
    int c=index(" ",' ') - a
    ],echo "yes",
    [CPPFLAGS="${CPPFLAGS} -DNEED_STRINGS_H" ; echo "no"])

    Not exactly elegant :-)

    > #ifdef NEED_STRINGS_H
    > # include <strings.h>
    > #else
    > # include <string.h>
    > #endif
    >
    >
    > should work =)

    Not tested but I don't see why not. Change it and I will see if it
    works on all platforms :-)

    Bye,
      Henning 

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