test-tool: Display SELinux status in output of libguestfs-test-tool.

test-tool/Makefile.am

@@ -29,6 +29,7 @@ libguestfs_test_tool_CFLAGS = \
 	-DGUESTFS_WARN_DEPRECATED=1 \
 	-DLOCALEBASEDIR=\""$(datadir)/locale"\" \
 	-I$(top_srcdir)/src -I$(top_builddir)/src \
+	-I$(top_srcdir)/gnulib/lib -I$(top_builddir)/gnulib/lib \
 	$(WARN_CFLAGS) $(WERROR_CFLAGS) \
 	$(GPROF_CFLAGS) $(GCOV_CFLAGS)
 libguestfs_test_tool_LDADD = \

test-tool/test-tool.c

@@ -36,6 +36,8 @@
 #include <guestfs.h>
 #include "guestfs-internal-frontend.h"
 
+#include "ignore-value.h"
+
 #ifndef P_tmpdir
 #define P_tmpdir "/tmp"
 #endif
@@ -211,6 +213,13 @@ main (int argc, char *argv[])
   if (p)
     printf ("PATH=%s\n", p);
 
+  /* Print SELinux mode (don't worry if this fails, or if the command
+   * doesn't even exist).
+   */
+  printf ("SELinux: ");
+  fflush (stdout); /* because getenforce prints output on stderr :-( */
+  ignore_value (system ("getenforce"));
+
   /* Configure the handle. */
   if (guestfs_add_drive_opts (g, tmpf,
                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",