add checks for libuuid to darshan-util configure

Author: Shane Snyder

darshan-runtime/lib/darshan-core.c

@@ -2645,9 +2645,7 @@ void *darshan_core_register_record(
     size_t rec_size,
     struct darshan_fs_info *fs_info)
 {
-    struct darshan_core_name_record_ref *ref;
     void *rec_buf;
-    int ret;
 
     __DARSHAN_CORE_LOCK();
     if(!__darshan_core)

darshan-util/Makefile.am

@@ -64,8 +64,6 @@ bin_PROGRAMS = darshan-analyzer \
 
 noinst_PROGRAMS = jenkins-hash-gen
 
-# LIBS += @LIBBZ2@
-
 jenkins_hash_gen_SOURCES = jenkins-hash-gen.c lookup3.c
 jenkins_hash_gen_LDADD = libdarshan-util.la
 

darshan-util/configure.ac

@@ -40,6 +40,10 @@ if test "x$enable_darshan_util" = xyes ; then
    # bz2 is optional
    CHECK_BZLIB
 
+   # uuid headers/library are optional dependencies for DAOS modules
+   AC_CHECK_HEADER([uuid/uuid.h],
+        [AC_CHECK_LIB([uuid], [uuid_unparse])])
+
    # checks to see how we can print 64 bit values on this architecture
    gt_INTTYPES_PRI
    if test "x$PRI_MACROS_BROKEN" = x1 ; then

darshan-util/darshan-daos-logutils.c

@@ -16,6 +16,10 @@
 
 #include "darshan-logutils.h"
 
+#ifdef HAVE_LIBUUID
+#include <uuid/uuid.h>
+#endif
+
 /* counter name strings for the DAOS module */
 #define X(a) #a,
 char *daos_counter_names[] = {
@@ -209,14 +213,22 @@ static void darshan_log_print_daos_object(void *object_rec, char *object_name,
     struct darshan_daos_object *daos_object_rec =
         (struct darshan_daos_object *)object_rec;
     char oid[64];
-    char pool_cont_uuid_str[128];
+    char pool_cont_uuid_str[128] = {0};
 
     sprintf(oid, "%lu.%lu", daos_object_rec->oid_hi, daos_object_rec->oid_lo);
     object_name = oid;
 
+#ifdef HAVE_LIBUUID
     uuid_unparse(daos_object_rec->pool_uuid, pool_cont_uuid_str);
+#else
+    strcat(pool_cont_uuid_str, "N/A");
+#endif
     strcat(pool_cont_uuid_str, ":");
+#ifdef HAVE_LIBUUID
     uuid_unparse(daos_object_rec->cont_uuid, pool_cont_uuid_str+strlen(pool_cont_uuid_str));
+#else
+    strcat(pool_cont_uuid_str, "N/A");
+#endif
 
     mnt_pt = pool_cont_uuid_str;
     fs_type = "N/A";

darshan-util/darshan-dfs-logutils.c

@@ -16,6 +16,10 @@
 
 #include "darshan-logutils.h"
 
+#ifdef HAVE_LIBUUID
+#include <uuid/uuid.h>
+#endif
+
 /* counter name strings for the DFS module */
 #define X(a) #a,
 char *dfs_counter_names[] = {
@@ -206,11 +210,19 @@ static void darshan_log_print_dfs_file(void *file_rec, char *file_name,
     int i;
     struct darshan_dfs_file *dfs_file_rec =
         (struct darshan_dfs_file *)file_rec;
-    char pool_cont_uuid_str[128];
+    char pool_cont_uuid_str[128] = {0};
 
+#ifdef HAVE_LIBUUID
     uuid_unparse(dfs_file_rec->pool_uuid, pool_cont_uuid_str);
+#else
+    strcat(pool_cont_uuid_str, "N/A");
+#endif
     strcat(pool_cont_uuid_str, ":");
+#ifdef HAVE_LIBUUID
     uuid_unparse(dfs_file_rec->cont_uuid, pool_cont_uuid_str+strlen(pool_cont_uuid_str));
+#else
+    strcat(pool_cont_uuid_str, "N/A");
+#endif
 
     mnt_pt = pool_cont_uuid_str;
     fs_type = "N/A";

include/darshan-daos-log-format.h

@@ -6,8 +6,6 @@
 #ifndef __DARSHAN_DAOS_LOG_FORMAT_H
 #define __DARSHAN_DAOS_LOG_FORMAT_H
 
-#include <uuid/uuid.h>
-
 /* current DAOS log format version */
 #define DARSHAN_DAOS_VER 1
 
@@ -173,8 +171,8 @@ struct darshan_daos_object
     struct darshan_base_record base_rec;
     int64_t counters[DAOS_NUM_INDICES];
     double fcounters[DAOS_F_NUM_INDICES];
-    uuid_t pool_uuid;
-    uuid_t cont_uuid;
+    unsigned char pool_uuid[16];
+    unsigned char cont_uuid[16];
     uint64_t oid_hi;
     uint64_t oid_lo;
 };

include/darshan-dfs-log-format.h

@@ -6,8 +6,6 @@
 #ifndef __DARSHAN_DFS_LOG_FORMAT_H
 #define __DARSHAN_DFS_LOG_FORMAT_H
 
-#include <uuid/uuid.h>
-
 /* current DFS log format version */
 #define DARSHAN_DFS_VER 1
 
@@ -150,8 +148,8 @@ struct darshan_dfs_file
     struct darshan_base_record base_rec;
     int64_t counters[DFS_NUM_INDICES];
     double fcounters[DFS_F_NUM_INDICES];
-    uuid_t pool_uuid;
-    uuid_t cont_uuid;
+    unsigned char pool_uuid[16];
+    unsigned char cont_uuid[16];
 };
 
 #endif /* __DARSHAN_DFS_LOG_FORMAT_H */