Add headers for sys/audit.h.

On some older platforms (at least sunos4, probably others) sys/audit.h
requires some other headers.  Patch from klausz at haus-gisela.de.

1 files changed, 15 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index 810f96caa..cbcf9d077 100644
--- a/configure.ac
+++ b/configure.ac
@@ -388,12 +388,12 @@ AC_CHECK_HEADERS([ \
         stdint.h \
         string.h \
         strings.h \
-        sys/audit.h \
         sys/bitypes.h \
         sys/bsdtty.h \
         sys/cdefs.h \
         sys/dir.h \
         sys/mman.h \
+        sys/label.h \
         sys/ndir.h \
         sys/poll.h \
         sys/prctl.h \
@@ -422,6 +422,20 @@ AC_CHECK_HEADERS([ \
         wchar.h \
 ])
 
+# On some platforms (eg SunOS4) sys/audit.h requires sys/[time|types|label.h]
+# to be included first.
+AC_CHECK_HEADERS([sys/audit.h], [], [], [
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_LABEL_H
+# include <sys/label.h>
+#endif
+])
+
 # sys/capsicum.h requires sys/types.h
 AC_CHECK_HEADERS([sys/capsicum.h], [], [], [
 #ifdef HAVE_SYS_TYPES_H