cf/check-xau.m4

   1 dnl $Id$
   2 dnl
   3 dnl check for Xau{Read,Write}Auth and XauFileName
   4 dnl
   5 AC_DEFUN([AC_CHECK_XAU],[
   6 save_CFLAGS="$CFLAGS"
   7 CFLAGS="$X_CFLAGS $CFLAGS"
   8 save_LIBS="$LIBS"
   9 dnl LIBS="$X_LIBS $X_PRE_LIBS $X_EXTRA_LIBS $LIBS"
  10 LIBS="$X_PRE_LIBS $X_EXTRA_LIBS $LIBS"
  11 save_LDFLAGS="$LDFLAGS"
  12 LDFLAGS="$LDFLAGS $X_LIBS"
  13
  14 ## check for XauWriteAuth first, so we detect the case where
  15 ## XauReadAuth is in -lX11, but XauWriteAuth is only in -lXau this
  16 ## could be done by checking for XauReadAuth in -lXau first, but this
  17 ## breaks in IRIX 6.5
  18
  19 AC_FIND_FUNC_NO_LIBS(XauWriteAuth, X11 Xau,[#include <X11/Xauth.h>],[0,0])
  20 ac_xxx="$LIBS"
  21 LIBS="$LIB_XauWriteAuth $LIBS"
  22 AC_FIND_FUNC_NO_LIBS(XauReadAuth, X11 Xau,[#include <X11/Xauth.h>],[0])
  23 LIBS="$LIB_XauReadAauth $LIBS"
  24 AC_FIND_FUNC_NO_LIBS(XauFileName, X11 Xau,[#include <X11/Xauth.h>])
  25 LIBS="$ac_xxx"
  26
  27 ## set LIB_XauReadAuth to union of these tests, since this is what the
  28 ## Makefiles are using
  29 case "$ac_cv_funclib_XauWriteAuth" in
  30 yes)    ;;
  31 no)     ;;
  32 *)      if test "$ac_cv_funclib_XauReadAuth" = yes; then
  33                 if test "$ac_cv_funclib_XauFileName" = yes; then
  34                         LIB_XauReadAuth="$LIB_XauWriteAuth"
  35                 else
  36                         LIB_XauReadAuth="$LIB_XauWriteAuth $LIB_XauFileName"
  37                 fi
  38         else
  39                 if test "$ac_cv_funclib_XauFileName" = yes; then
  40                         LIB_XauReadAuth="$LIB_XauReadAuth $LIB_XauWriteAuth"
  41                 else
  42                         LIB_XauReadAuth="$LIB_XauReadAuth $LIB_XauWriteAuth $LIB_XauFileName"
  43                 fi
  44         fi
  45         ;;
  46 esac
  47
  48 if test "$AUTOMAKE" != ""; then
  49         AM_CONDITIONAL(NEED_WRITEAUTH, test "$ac_cv_func_XauWriteAuth" != "yes")
  50 else
  51         AC_SUBST(NEED_WRITEAUTH_TRUE)
  52         AC_SUBST(NEED_WRITEAUTH_FALSE)
  53         if test "$ac_cv_func_XauWriteAuth" != "yes"; then
  54                 NEED_WRITEAUTH_TRUE=
  55                 NEED_WRITEAUTH_FALSE='#'
  56         else
  57                 NEED_WRITEAUTH_TRUE='#'
  58                 NEED_WRITEAUTH_FALSE=
  59         fi
  60 fi
  61 CFLAGS=$save_CFLAGS
  62 LIBS=$save_LIBS
  63 LDFLAGS=$save_LDFLAGS
  64 ])