rxgen: Handle complex structures

[openafs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index ba8f7b6..8782488 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1258,6 +1258,10 @@ AC_CHECK_FUNCS([ \
        getrlimit \
        issetugid \
        mkstemp \
+       pread \
+       preadv \
+       pwrite \
+       pwritev \
        regcomp \
        regerror \
        regexec \
@@ -1275,6 +1279,23 @@ AC_CHECK_FUNCS([ \
        vsyslog \
 ])
 
+AC_MSG_CHECKING([for positional I/O])
+if test "$ac_cv_func_pread" = "yes" && \
+        test "$ac_cv_func_pwrite" = "yes"; then
+   AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
+   AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi
+AC_MSG_CHECKING([for vectored positional I/O])
+if test "$ac_cv_func_preadv" = "yes" && \
+        test "$ac_cv_func_pwritev" = "yes"; then
+   AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
+   AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi
+
 AC_MSG_CHECKING([for POSIX regex library])
 if test "$ac_cv_header_regex_h" = "yes" && \
        test "$ac_cv_func_regcomp" = "yes" && \