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## ktalkd specific checks
## David Faure <faure@kde.org>
AC_DEFUN([AC_FIND_USER_METHOD],
[
AC_MSG_CHECKING(ktalkd find_user method)
if test -n "`echo $target_os | grep linux`" ; then
if test -d /proc; then
AC_DEFINE(PROC_FIND_USER, 1, [/proc exists])
## Sufficient if all xdm and tdm would call sessreg to log the user into utmp
AC_DEFINE(UTMP_AND_PROC_FIND_USER, 1, [tdm/xmd log user])
## Waiting for this, here is complement, looking for DISPLAY set in any process
## in /proc that the user owns
AC_DEFINE(ALL_PROCESSES_AND_PROC_FIND_USER, 1, [whatever])
AC_MSG_RESULT(using /proc.)
else
AC_MSG_RESULT(/proc not found, using utmp.)
fi
else
AC_MSG_RESULT(not a linux system, using utmp.)
fi
])
AC_FIND_USER_METHOD
# Define a symbol, to know that we're compiling WITH kde.
# (Separate distributions of ktalkd can compile without KDE)
AM_CONDITIONAL(KDE_INSTALLED, test "$have_kde" = "yes")
dnl Check for utmp file
dnl breaks compilation on ubuntu dapper chroot, jriddell 2006-03-24
dnl AC_CHECK_UTMP_FILE([], [DO_NOT_COMPILE="$DO_NOT_COMPILE ktalkd"])
AC_LANG_C
dnl Checks for libraries.
AC_CHECK_LIB(bsd, bsd_ioctl, [LIBBSD="-lbsd"]) dnl for Linux with libc5
AC_SUBST(LIBBSD)
AC_CHECK_HEADERS(sgtty.h bsd/sgtty.h sys/select.h)
AC_HEADER_TIME
dnl check for this stupid scandir constness problem
AC_LANG_CPLUSPLUS
save_CXXFLAGS="$CXXFLAGS"
dnl for some reason CXXFLAGS contains $(KDE_CXXFLAGS) at this point. Argl.
CXXFLAGS="-Wall -W"
if test "$GCC" = "yes"; then
CXXFLAGS="$CXXFLAGS -pedantic-errors"
fi
AC_MSG_CHECKING(whether the third argument of scandir needs const)
AC_CACHE_VAL(ac_cv_scandir_const,
[
AC_TRY_COMPILE([
#include <dirent.h>
int select_process(const struct dirent *) { return 0; }
],
[
struct dirent **namelist;
(void) scandir("/proc", &namelist, select_process, 0 /*no sort*/);
],
ac_cv_scandir_const=yes,
ac_cv_scandir_const=no)
])
AC_MSG_RESULT($ac_cv_scandir_const)
if eval "test \"`echo $ac_cv_scandir_const`\" = yes"; then
AC_DEFINE(SCANDIR_NEEDS_CONST, 1, [Define if third argument of scandir needs const])
fi
CXXFLAGS="$save_CXXFLAGS"
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