diff -up abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.c.gcc5 abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.c

--- abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.c.gcc5	2014-11-28 16:29:52.000000000 +0100

+++ abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.c	2015-02-11 16:02:15.837789303 +0100

@@ -859,7 +859,7 @@ item_merge(list_item dest, list_item src

  */

 /* quick lookup by "standard" field number */

-inline int

+extern inline int

 field_id(int i)

 {

 	assert((i >= 0) && (i < ITEM_FIELDS));

diff -up abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.h.gcc5 abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.h

--- abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.h.gcc5	2014-11-28 16:29:52.000000000 +0100

+++ abook-git-6e550af8a907a680dc845c22a7d6c36d89e900c1/database.h	2015-02-11 16:02:23.465818915 +0100

@@ -61,7 +61,7 @@ struct db_enumerator {

 /*

  * Field operations

  */

-inline int field_id(int i);

+extern inline int field_id(int i);

 abook_field *find_standard_field(char *key, int do_declare);

 abook_field *real_find_field(char *key, abook_field_list *list, int *nb);

 #define find_field(key, list)		real_find_field(key, list, NULL)