make getline library optional

meson.build

@@ -21,10 +21,13 @@ deps = [
 	dependency('perlin'),
 	dependency('dragonnet'),
 	dependency('dragonstd'),
-	dependency('getline'),
 	dependency('zlib'),
 ]
 
+if not cc.has_function('getline')
+	deps += dependency('getline')
+endif
+
 common_lib = static_library('dragonblocks',
 	sources: [
 		vcs_tag(

src/client/mesh.c

@@ -1,5 +1,4 @@
 #include <dragonstd/tree.h>
-#include <getline.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>

src/client/model.c

@@ -1,5 +1,4 @@
 #include <dragonstd/tree.h>
-#include <getline.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <pthread.h>

src/server/schematic.c

@@ -1,4 +1,3 @@
-#include <getline.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "common/terrain.h"