added a configuration summary at the end of ./configure. It also

aborts if essential functions are not available.

1 files changed, 28 insertions, 0 deletions

diff --git a/source/tests/summary.c b/source/tests/summary.c
new file mode 100644
index 00000000000..8c0d3005afd
--- /dev/null
+++ b/source/tests/summary.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+
+main()
+{
+#ifndef HAVE_FCNTL_LOCK
+	printf("ERROR: No locking available. Running Samba would be unsafe\n");
+	exit(1);
+#endif
+
+#if !(defined(HAVE_SYSV_IPC) || defined(HAVE_SHARED_MMAP))
+	printf("WARNING: no shared memory. Running with slow locking code\n");
+#endif
+
+#ifdef HAVE_TRAPDOOR_UID
+	printf("WARNING: trapdoor uid system - Samba may not operate correctly\n");
+#endif
+
+#if !(defined(HAVE_NETMASK_IFCONF) || defined(HAVE_NETMASK_IFREQ) || defined(HAVE_NETMASK_AIX))
+	printf("WARNING: No automated netmask determination - use an interfaces line\n");
+#endif
+
+#if !(defined(STAT_STATVFS) || defined(STAT_STATFS3_OSF1) || defined(STAT_STATFS2_BSIZE) || defined(STAT_STATFS4) || defined(STAT_STATFS2_FSIZE) || defined(STAT_STATFS2_FS_DATA))
+	printf("ERROR: No disk free routine!\n");
+	exit(1);
+#endif
+
+	exit(0);
+}