define unimplemented macros to 0 so that systemd compiles
--- a/include/glob.h
+++ b/include/glob.h
@@ -22,6 +22,7 @@
 int  glob(const char *__restrict, int, int (*)(const char *, int), glob_t *__restrict);
 void globfree(glob_t *);
 
+#define GLOB_BRACE 0
 #define GLOB_ERR      0x01
 #define GLOB_MARK     0x02
 #define GLOB_NOSORT   0x04
--- a/include/regex.h
+++ b/include/regex.h
@@ -31,6 +31,7 @@
 
 #define REG_NOTBOL      1
 #define REG_NOTEOL      2
+#define REG_STARTEND    0
 
 #define REG_OK          0
 #define REG_NOMATCH     1
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -140,6 +140,8 @@
 #define EAI_IDN_ENCODE -105
 #define NI_MAXHOST 255
 #define NI_MAXSERV 32
+#define NI_IDN 0
+#define NI_IDN_USE_STD3_ASCII_RULES 0
 #endif