X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=configure.ac;h=d7de0b0817356481d1c3b15719616a5646bf72a0;hp=46dd6f0f9cd531d9191b34285472f8e11301a5d3;hb=90f1e04a2a143876a4413577b25db60b5ba0fe97;hpb=bb3005f9b9fff1333900d8635ad9aeda1021eb94

diff --git a/configure.ac b/configure.ac
index 46dd6f0f..d7de0b08 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,6 +75,7 @@ AC_CHECK_HEADERS([alloca.h		\
 		  sys/byteorder.h	\
 		  sys/endian.h		\
 		  sys/file.h		\
+		  sys/syscall.h		\
 		  sys/sysctl.h		\
 		  sys/times.h		\
 		  sys/xattr.h		\
@@ -90,6 +91,13 @@ AC_CHECK_MEMBER([struct stat.st_mtim],
 		[],
 		[#include <sys/stat.h>])
 
+# Check for possible support for the Linux getrandom() system call
+AC_CHECK_DECL([__NR_getrandom],
+	      [AC_DEFINE([HAVE_NR_GETRANDOM], [1], [Define to 1 if the system
+	       headers define a system call number for getrandom()])],
+	      [],
+	      [#include <sys/syscall.h>])
+
 ###############################################################################
 #			     Required libraries				      #
 ###############################################################################