diff --git a/share/libc/glob.h b/share/libc/glob.h
index 44a09d7cf703ace46ef5d27fe45be33adb4aa7a1..66ec7c4f03fb7307cf93daf39e4543849155be21 100644
--- a/share/libc/glob.h
+++ b/share/libc/glob.h
@@ -36,7 +36,16 @@ __PUSH_FC_STDLIB
 #define	GLOB_APPEND	(1 << 5)/* Append to results of a previous call.  */
 #define	GLOB_NOESCAPE	(1 << 6)/* Backslashes don't quote metacharacters.  */
 #define	GLOB_PERIOD	(1 << 7)/* Leading `.' can be matched by metachars.  */
-#define	GLOB_MAGCHAR	(1 << 8)/* GNU-specific */
+
+// Non-POSIX
+#define GLOB_MAGCHAR (1 << 8)
+#define GLOB_ALTDIRFUNC (1 << 9)
+#define GLOB_BRACE (1 << 10)
+#define GLOB_NOMAGIC (1 << 11)
+#define GLOB_TILDE (1 << 12)
+#define GLOB_ONLYDIR (1 << 13)
+#define GLOB_TILDE_CHECK (1 << 14)
+
 
 #define	GLOB_NOSPACE	1	/* Ran out of memory.  */
 #define	GLOB_ABORTED	2	/* Read error.  */
diff --git a/share/libc/sys/statvfs.h b/share/libc/sys/statvfs.h
index c48d398cf7340eebe2881474ba9b68287b75940b..80c3dcb7f0e5fb85078863fb4850dba72bed40b4 100644
--- a/share/libc/sys/statvfs.h
+++ b/share/libc/sys/statvfs.h
@@ -46,6 +46,13 @@ struct statvfs {
   unsigned long f_namemax; // Maximum filename length.
 };
 
+enum {
+  ST_RDONLY = 1,
+#define ST_RDONLY    ST_RDONLY
+  ST_NOSUID = 2
+#define ST_NOSUID    ST_NOSUID
+};
+
 extern int fstatvfs(int fildes, struct statvfs *buf);
 
 extern int statvfs(const char *restrict path, struct statvfs *restrict buf);
diff --git a/share/libc/time.h b/share/libc/time.h
index ae0a660a0b0c93959f17ec6deb05acdeec3115c3..5b7c0fcfc10e707ab1b7d6feabe81b97daffbab1 100644
--- a/share/libc/time.h
+++ b/share/libc/time.h
@@ -73,10 +73,28 @@ struct itimerspec {
 
 // Note: macros and specifications in this file consider that no
 // other clocks exist (CLOCK_*_CPUTIME_ID and Linux-specific clocks)
-#define CLOCK_REALTIME 666
+#define CLOCK_REALTIME 0
 #define CLOCK_MONOTONIC 1
 #define TIMER_ABSTIME 1
 
+// In POSIX, but optional (CPT extension)
+#define CLOCK_PROCESS_CPUTIME_ID 2
+#define CLOCK_THREAD_CPUTIME_ID 3
+
+// Non-POSIX
+#define CLOCK_MONOTONIC_RAW 4
+#define CLOCK_REALTIME_COARSE 5
+#define CLOCK_MONOTONIC_COARSE 6
+#define CLOCK_BOOTTIME 7
+#define CLOCK_REALTIME_ALARM 8
+#define CLOCK_BOOTTIME_ALARM 9
+#define CLOCK_SGI_CYCLE 10
+#define CLOCK_TAI 11
+#define MAX_CLOCKS 16
+#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
+#define CLOCKS_MONO CLOCK_MONOTONIC
+
+
 //@ ghost volatile unsigned int __fc_time;
 
 /*@ assigns \result \from __fc_time; */
diff --git a/src/plugins/e-acsl/tests/memory/oracle/gen_vdso.c b/src/plugins/e-acsl/tests/memory/oracle/gen_vdso.c
index 1c80eb77fcbeb081447f7649f409af016e5ed96b..f00ba949c5080c9e564feee61d276feed713016a 100644
--- a/src/plugins/e-acsl/tests/memory/oracle/gen_vdso.c
+++ b/src/plugins/e-acsl/tests/memory/oracle/gen_vdso.c
@@ -85,7 +85,7 @@ time_t __gen_e_acsl_time(time_t *timer)
       __gen_e_acsl_assert_data.pred_txt = "\\valid(timer)";
       __gen_e_acsl_assert_data.file = "FRAMAC_SHARE/libc/time.h";
       __gen_e_acsl_assert_data.fct = "time";
-      __gen_e_acsl_assert_data.line = 102;
+      __gen_e_acsl_assert_data.line = 120;
       __gen_e_acsl_assert_data.name = "not_null/valid_timer";
       __e_acsl_assert(__gen_e_acsl_valid,& __gen_e_acsl_assert_data);
       __e_acsl_assert_clean(& __gen_e_acsl_assert_data);
@@ -102,7 +102,7 @@ time_t __gen_e_acsl_time(time_t *timer)
       __gen_e_acsl_assert_data_2.pred_txt = "all behaviors complete";
       __gen_e_acsl_assert_data_2.file = "FRAMAC_SHARE/libc/time.h";
       __gen_e_acsl_assert_data_2.fct = "time";
-      __gen_e_acsl_assert_data_2.line = 95;
+      __gen_e_acsl_assert_data_2.line = 113;
       __e_acsl_assert(__gen_e_acsl_active_bhvrs >= 1,
                       & __gen_e_acsl_assert_data_2);
       __e_acsl_assert_clean(& __gen_e_acsl_assert_data_2);
@@ -111,7 +111,7 @@ time_t __gen_e_acsl_time(time_t *timer)
       __gen_e_acsl_assert_data_3.pred_txt = "all behaviors disjoint";
       __gen_e_acsl_assert_data_3.file = "FRAMAC_SHARE/libc/time.h";
       __gen_e_acsl_assert_data_3.fct = "time";
-      __gen_e_acsl_assert_data_3.line = 95;
+      __gen_e_acsl_assert_data_3.line = 113;
       __e_acsl_assert(__gen_e_acsl_active_bhvrs <= 1,
                       & __gen_e_acsl_assert_data_3);
       __e_acsl_assert_clean(& __gen_e_acsl_assert_data_3);
@@ -140,7 +140,7 @@ time_t __gen_e_acsl_time(time_t *timer)
       __gen_e_acsl_assert_data_4.pred_txt = "\\initialized(\\old(timer))";
       __gen_e_acsl_assert_data_4.file = "FRAMAC_SHARE/libc/time.h";
       __gen_e_acsl_assert_data_4.fct = "time";
-      __gen_e_acsl_assert_data_4.line = 104;
+      __gen_e_acsl_assert_data_4.line = 122;
       __gen_e_acsl_assert_data_4.name = "not_null/initialization/timer";
       __e_acsl_assert(__gen_e_acsl_initialized,& __gen_e_acsl_assert_data_4);
       __e_acsl_assert_clean(& __gen_e_acsl_assert_data_4);
diff --git a/src/plugins/e-acsl/tests/memory/oracle/vdso.res.oracle b/src/plugins/e-acsl/tests/memory/oracle/vdso.res.oracle
index 6cabe8f3250166efb72a129dd35a6ec035930847..9c2f89c255754a11262b466c9b9cc683ec979a2d 100644
--- a/src/plugins/e-acsl/tests/memory/oracle/vdso.res.oracle
+++ b/src/plugins/e-acsl/tests/memory/oracle/vdso.res.oracle
@@ -2,10 +2,10 @@
 [e-acsl] Warning: annotating undefined function `time':
   the generated program may miss memory instrumentation
   if there are memory-related annotations.
-[e-acsl] FRAMAC_SHARE/libc/time.h:95: Warning: 
+[e-acsl] FRAMAC_SHARE/libc/time.h:113: Warning: 
   E-ACSL construct `assigns clause in behavior' is not yet supported.
   Ignoring annotation.
-[e-acsl] FRAMAC_SHARE/libc/time.h:98: Warning: 
+[e-acsl] FRAMAC_SHARE/libc/time.h:116: Warning: 
   E-ACSL construct `assigns clause in behavior' is not yet supported.
   Ignoring annotation.
 [e-acsl] translation done in project "e-acsl".