Get rid of the DB_BACKEND build setting.

CMakeLists.txt

@@ -33,7 +33,6 @@ if(DINDEXER_NATIVE_RELEASE)
 else()
 	set(march_flag "")
 endif()
-set(DINDEXER_DB_BACKEND "PostgreSQL")
 set(DINDEXER_COPYRIGHT_YEARS "2015,2016")
 set(DINDEXER_ACTIONS_PATH "${CMAKE_CURRENT_BINARY_DIR}/src" CACHE STRING "Actions search path")
 string(REGEX MATCH "[^/].*" ACTIONS_PATH_INSTALL "${DINDEXER_ACTIONS_PATH}")

src/dindexerConfig.h.in

@@ -50,8 +50,6 @@
 #	define WITH_NICE_MEDIA_TYPES
 #endif
 
-#define DB_BACKEND "@DINDEXER_DB_BACKEND@"
-
 #define COPYRIGHT_YEARS_LIST @DINDEXER_COPYRIGHT_YEARS@
 
 #endif

src/main/builtin_feats.c

@@ -52,7 +52,6 @@ void print_builtin_feats() {
 #else
 	printf("WITH_NICE_MEDIA_TYPES = no\n");
 #endif
-	printf("DB_BACKEND = \"%s\"\n", DB_BACKEND);
 }
 
 void print_version() {