Branch b1_8

b=19691
explicitely include stddef.h in configure checks, otherwise
some gcc version complained about NULL not defined.

diff --git a/lnet/autoconf/lustre-lnet.m4 b/lnet/autoconf/lustre-lnet.m4
index fb599bb..e9f3915 100644 (file)
--- a/lnet/autoconf/lustre-lnet.m4
+++ b/lnet/autoconf/lustre-lnet.m4
@@ -1076,6 +1076,7 @@ tmp_flags="$CFLAGS"
 CFLAGS="$CFLAGS -Werror"
 AC_COMPILE_IFELSE([
        #include <linux/types.h>
+       #include <linux/stddef.h>
        int main(void) {
                unsigned long long *data1;
                __u64 *data2 = NULL;
@@ -1100,6 +1101,7 @@ tmp_flags="$CFLAGS"
 CFLAGS="$CFLAGS -Werror"
 AC_COMPILE_IFELSE([
        #include <linux/types.h>
+       #include <linux/stddef.h>
        int main(void) {
                unsigned long *data1;
                size_t *data2 = NULL;
@@ -1123,6 +1125,7 @@ tmp_flags="$CFLAGS"
 CFLAGS="$CFLAGS -Werror"
 AC_COMPILE_IFELSE([
        #include <linux/types.h>
+       #include <linux/stddef.h>
        int main(void) {
                long *data1;
                ssize_t *data2 = NULL;