source: branches/samba-3.5.x/lib/talloc/libtalloc.m4@ 773

dnl find the talloc sources. This is meant to work both for 
dnl talloc standalone builds, and builds of packages using talloc
tallocdir=""
tallocpaths=". lib/talloc talloc ../talloc ../lib/talloc"
for d in $tallocpaths; do
        if test -f "$srcdir/$d/talloc.c"; then
                tallocdir="$d"
                AC_SUBST(tallocdir)
                break;
        fi
done
if test x"$tallocdir" = "x"; then
   AC_MSG_ERROR([cannot find talloc source in $tallocpaths])
fi
TALLOC_OBJ="talloc.o"
AC_SUBST(TALLOC_OBJ)

TALLOC_CFLAGS="-I$srcdir/$tallocdir"
AC_SUBST(TALLOC_CFLAGS)

TALLOC_LIBS=""
AC_SUBST(TALLOC_LIBS)

AC_CHECK_SIZEOF(size_t,cross)
AC_CHECK_SIZEOF(void *,cross)

if test $ac_cv_sizeof_size_t -lt $ac_cv_sizeof_void_p; then
        AC_WARN([size_t cannot represent the amount of used memory of a process])
        AC_WARN([please report this to <samba-technical@samba.org>])
        AC_WARN([sizeof(size_t) = $ac_cv_sizeof_size_t])
        AC_WARN([sizeof(void *) = $ac_cv_sizeof_void_p])
        AC_ERROR([sizeof(size_t) < sizeof(void *)])
fi

if test x"$VERSIONSCRIPT" != "x"; then
    EXPORTSFILE=talloc.exports
    AC_SUBST(EXPORTSFILE)
fi