get major/minor macros by using AC_HEADER_MAJOR

https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Particular-Headers.html#AC_HEADER_MAJOR

https://bugs.gentoo.org/579960
diff --git a/configure.ac b/configure.ac
index 93d347c..1e7ee51 100644
--- a/configure.ac
+++ b/configure.ac
@@ -282,2 +282,5 @@ AC_CHECK_SIZEOF([long])
 
+dnl detect system-specific headers for major()/minor()
+AC_HEADER_MAJOR
+
 dnl Availability of various common functions (non-fatal if missing),
diff --git a/src/conf/domain_audit.c b/src/conf/domain_audit.c
index bd2eeb6..74b2487 100644
--- a/src/conf/domain_audit.c
+++ b/src/conf/domain_audit.c
@@ -28,2 +28,9 @@
 
+#ifdef MAJOR_IN_MKDEV
+# include <sys/mkdev.h>
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+# include <sys/sysmacros.h>
+#endif
+
 #include "domain_audit.h"
diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index 76bef82..49c0648 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -48,2 +48,9 @@
 
+#ifdef MAJOR_IN_MKDEV
+# include <sys/mkdev.h>
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+# include <sys/sysmacros.h>
+#endif
+
 #include "virerror.h"
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 3c6c839..983cd21 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -38,2 +38,9 @@
 
+#ifdef MAJOR_IN_MKDEV
+# include <sys/mkdev.h>
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+# include <sys/sysmacros.h>
+#endif
+
 #include "virerror.h"
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 38398fd..4b45458 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -31,2 +31,10 @@
 #endif
+
+#ifdef MAJOR_IN_MKDEV
+# include <sys/mkdev.h>
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+# include <sys/sysmacros.h>
+#endif
+
 #include <fcntl.h>
diff --git a/src/util/virutil.c b/src/util/virutil.c
index bb9604a..9840a9e 100644
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -68,2 +68,9 @@
 
+#ifdef MAJOR_IN_MKDEV
+# include <sys/mkdev.h>
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+# include <sys/sysmacros.h>
+#endif
+
 #include "c-ctype.h"