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dnl GNOME_SUPPORT_CHECKS
dnl Check for various support functions needed by the standard
dnl Gnome libraries. Sets LIBOBJS, might define some macros.
dnl This should only be used when building the Gnome libs;
dnl Gnome clients should not need this macro.
AC_DEFUN([GNOME_SUPPORT_CHECKS],[
# we need an `awk' to build `gnomesupport.h'
AC_REQUIRE([AC_PROG_AWK])
# this should go away soon
need_gnome_support=yes
save_LIBOBJS="$LIBOBJS"
LIBOBJS=
AC_CHECK_FUNCS(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
# for `scandir'
AC_HEADER_DIRENT
# copied from `configure.in' of `libiberty'
vars="program_invocation_short_name program_invocation_name sys_errlist"
for v in $vars; do
AC_MSG_CHECKING([for $v])
AC_CACHE_VAL(gnome_cv_var_$v,
[AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
[eval "gnome_cv_var_$v=yes"],
[eval "gnome_cv_var_$v=no"])])
if eval "test \"`echo '$gnome_cv_var_'$v`\" = yes"; then
AC_MSG_RESULT(yes)
n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
AC_DEFINE_UNQUOTED($n)
else
AC_MSG_RESULT(no)
fi
done
AC_REPLACE_FUNCS(memmove mkstemp scandir strcasecmp strerror strndup strnlen)
AC_REPLACE_FUNCS(strtok_r strtod strtol strtoul vasprintf vsnprintf)
AC_CHECK_FUNCS(realpath,,LIBOBJS="$LIBOBJS canonicalize.o")
# to include `error.c' error.c has some HAVE_* checks
AC_CHECK_FUNCS(vprintf doprnt strerror_r)
AM_FUNC_ERROR_AT_LINE
# This is required if we declare setreuid () and setregid ().
AC_TYPE_UID_T
# see if we need to declare some functions. Solaris is notorious for
# putting functions into the `libc' but not listing them in the headers
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
GCC_NEED_DECLARATIONS(gethostname setreuid setregid getpagesize)
# Turn our LIBOBJS into libtool objects. This is gross, but it
# requires changes to autoconf before it goes away.
LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.o/.lo/g'`
AC_SUBST(need_gnome_support)
AC_SUBST(LTLIBOBJS)
LIBOBJS="$save_LIBOBJS"
AM_CONDITIONAL(BUILD_GNOME_SUPPORT, test "$need_gnome_support" = yes)
])
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