For simplicity, I think we should just verify whether 'linux/random.h'
is valid, here if it's valid, that means such codes will be compiled correctly.
#include <linux/random.h>
int main(void)
{
getrandom(NULL, 100, 0);
return 0;
}
Signed-off-by: Xiaoguang Wang <wangxg.f...@cn.fujitsu.com>
---
m4/ltp-linuxrandom.m4 | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/m4/ltp-linuxrandom.m4 b/m4/ltp-linuxrandom.m4
index 30c099e..4b7e585 100644
--- a/m4/ltp-linuxrandom.m4
+++ b/m4/ltp-linuxrandom.m4
@@ -16,6 +16,20 @@ dnl
dnl LTP_CHECK_LINUXRANDOM
dnl ----------------------------
dnl
-AC_DEFUN([LTP_CHECK_LINUXRANDOM],[
-AC_CHECK_HEADERS(linux/random.h, [], [], [])]
-)
+
+AC_DEFUN([LTP_CHECK_LINUXRANDOM],[dnl
+ AC_MSG_CHECKING([for linux/random.h])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+
+#include <linux/random.h>
+int main(void) {
+ return 0;
+}])],[has_linux_random_h="yes"])
+
+if test "x$has_linux_random_h" = xyes; then
+ AC_DEFINE(HAVE_LINUX_RANDOM_H,1,[Define to 1 if having a valid
linux/random.h])
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)
+fi
+])
--
1.8.2.1
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