build: drop support for xapian versions less than 1.4

Xapian 1.4 is over 3 years old now (1.4.0 released 2016-06-24),
and 1.2 has been deprecated in Notmuch version 0.27 (2018-06-13).

Xapian 1.4 supports compaction, field processors and retry locking;
conditionals checking compaction and field processors were removed
but user may want to disable retry locking at configure time so it
is kept.

10 files changed, 7 insertions, 30 deletions

diff --git a/lib/built-with.c b/lib/built-with.c
index 320be6c5..0c70010b 100644
--- a/lib/built-with.c
+++ b/lib/built-with.c
@@ -25,9 +25,9 @@ notmuch_bool_t
 notmuch_built_with (const char *name)
 {
     if (STRNCMP_LITERAL (name, "compact") == 0) {
-	return HAVE_XAPIAN_COMPACT;
+	return true;
     } else if (STRNCMP_LITERAL (name, "field_processor") == 0) {
-	return HAVE_XAPIAN_FIELD_PROCESSOR;
+	return true;
     } else if (STRNCMP_LITERAL (name, "retry_lock") == 0) {
 	return HAVE_XAPIAN_DB_RETRY_LOCK;
     } else if (STRNCMP_LITERAL (name, "session_key") == 0) {
diff --git a/lib/database.cc b/lib/database.cc
index 24b7ec43..78b5fec9 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -291,12 +291,10 @@ prefix_t prefix_table[] = {
      */
     { "folder",                 "XFOLDER:",     NOTMUCH_FIELD_EXTERNAL |
       NOTMUCH_FIELD_PROCESSOR },
-#if HAVE_XAPIAN_FIELD_PROCESSOR
     { "date",                   NULL,           NOTMUCH_FIELD_EXTERNAL |
       NOTMUCH_FIELD_PROCESSOR },
     { "query",                  NULL,           NOTMUCH_FIELD_EXTERNAL |
       NOTMUCH_FIELD_PROCESSOR },
-#endif
     { "from",                   "XFROM",        NOTMUCH_FIELD_EXTERNAL |
       NOTMUCH_FIELD_PROBABILISTIC |
       NOTMUCH_FIELD_PROCESSOR },
@@ -380,7 +378,6 @@ _setup_user_query_fields (notmuch_database_t *notmuch)
     return NOTMUCH_STATUS_SUCCESS;
 }
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 static void
 _setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
 {
@@ -405,13 +402,6 @@ _setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
 	_setup_query_field_default (prefix, notmuch);
     }
 }
-#else
-static inline void
-_setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
-{
-    _setup_query_field_default (prefix, notmuch);
-}
-#endif
 
 const char *
 _find_prefix (const char *name)
diff --git a/lib/parse-time-vrp.cc b/lib/parse-time-vrp.cc
index 45db9597..168d5810 100644
--- a/lib/parse-time-vrp.cc
+++ b/lib/parse-time-vrp.cc
@@ -65,7 +65,6 @@ ParseTimeValueRangeProcessor::operator() (std::string &begin, std::string &end)
     return valno;
 }
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 /* XXX TODO: is throwing an exception the right thing to do here? */
 Xapian::Query
 DateFieldProcessor::operator() (const std::string & str)
@@ -86,4 +85,3 @@ DateFieldProcessor::operator() (const std::string & str)
 			  Xapian::Query (Xapian::Query::OP_VALUE_GE, 0, Xapian::sortable_serialise ((double) from)),
 			  Xapian::Query (Xapian::Query::OP_VALUE_LE, 0, Xapian::sortable_serialise ((double) to)));
 }
-#endif
diff --git a/lib/parse-time-vrp.h b/lib/parse-time-vrp.h
index e6138d05..9fb1af60 100644
--- a/lib/parse-time-vrp.h
+++ b/lib/parse-time-vrp.h
@@ -39,9 +39,8 @@ public:
     Xapian::valueno operator() (std::string &begin, std::string &end);
 };
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 class DateFieldProcessor : public Xapian::FieldProcessor {
     Xapian::Query operator() (const std::string & str);
 };
-#endif
+
 #endif /* NOTMUCH_PARSE_TIME_VRP_H */
diff --git a/lib/query-fp.cc b/lib/query-fp.cc
index c39f5915..b980b7f0 100644
--- a/lib/query-fp.cc
+++ b/lib/query-fp.cc
@@ -24,8 +24,6 @@
 #include "query-fp.h"
 #include <iostream>
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
-
 Xapian::Query
 QueryFieldProcessor::operator() (const std::string & name)
 {
@@ -40,4 +38,3 @@ QueryFieldProcessor::operator() (const std::string & name)
 
     return parser.parse_query (expansion, NOTMUCH_QUERY_PARSER_FLAGS);
 }
-#endif
diff --git a/lib/query-fp.h b/lib/query-fp.h
index 8a8bde62..beaaf405 100644
--- a/lib/query-fp.h
+++ b/lib/query-fp.h
@@ -26,7 +26,6 @@
 #include <xapian.h>
 #include "notmuch.h"
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 class QueryFieldProcessor : public Xapian::FieldProcessor {
 protected:
     Xapian::QueryParser &parser;
@@ -40,5 +39,5 @@ public:
 
     Xapian::Query operator() (const std::string & str);
 };
-#endif
+
 #endif /* NOTMUCH_QUERY_FP_H */
diff --git a/lib/regexp-fields.cc b/lib/regexp-fields.cc
index 198eb32f..0feb50e5 100644
--- a/lib/regexp-fields.cc
+++ b/lib/regexp-fields.cc
@@ -26,7 +26,6 @@
 #include "notmuch-private.h"
 #include "database-private.h"
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 static void
 compile_regex (regex_t &regexp, const char *str)
 {
@@ -208,4 +207,3 @@ RegexpFieldProcessor::operator() (const std::string & str)
 	}
     }
 }
-#endif
diff --git a/lib/regexp-fields.h b/lib/regexp-fields.h
index 97778a1d..a8cca243 100644
--- a/lib/regexp-fields.h
+++ b/lib/regexp-fields.h
@@ -24,7 +24,7 @@
 
 #ifndef NOTMUCH_REGEXP_FIELDS_H
 #define NOTMUCH_REGEXP_FIELDS_H
-#if HAVE_XAPIAN_FIELD_PROCESSOR
+
 #include <sys/types.h>
 #include <regex.h>
 #include "database-private.h"
@@ -79,5 +79,5 @@ public:
 
     Xapian::Query operator() (const std::string & str);
 };
-#endif
+
 #endif /* NOTMUCH_REGEXP_FIELDS_H */
diff --git a/lib/thread-fp.cc b/lib/thread-fp.cc
index 73277006..97a65211 100644
--- a/lib/thread-fp.cc
+++ b/lib/thread-fp.cc
@@ -24,8 +24,6 @@
 #include "thread-fp.h"
 #include <iostream>
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
-
 Xapian::Query
 ThreadFieldProcessor::operator() (const std::string & str)
 {
@@ -64,4 +62,3 @@ ThreadFieldProcessor::operator() (const std::string & str)
     }
 
 }
-#endif
diff --git a/lib/thread-fp.h b/lib/thread-fp.h
index de837d3e..00bf1aa2 100644
--- a/lib/thread-fp.h
+++ b/lib/thread-fp.h
@@ -26,7 +26,6 @@
 #include <xapian.h>
 #include "notmuch.h"
 
-#if HAVE_XAPIAN_FIELD_PROCESSOR
 class ThreadFieldProcessor : public Xapian::FieldProcessor {
 protected:
     Xapian::QueryParser &parser;
@@ -40,5 +39,5 @@ public:
 
     Xapian::Query operator() (const std::string & str);
 };
-#endif
+
 #endif /* NOTMUCH_THREAD_FP_H */