add gettext support

config/ext.json

@@ -95,7 +95,7 @@
     },
     "gettext": {
         "type": "builtin",
-        "arg-type": "with",
+        "arg-type": "with-prefix",
         "lib-depends": [
             "gettext"
         ]

config/lib.json

@@ -83,6 +83,22 @@
             "brotli"
         ]
     },
+    "gettext": {
+        "source": "gettext",
+        "static-libs-unix": [
+            "libintl.a"
+        ],
+        "lib-depends": [
+            "libiconv"
+        ],
+        "lib-suggests": [
+            "ncurses",
+            "libxml2"
+        ],
+        "frameworks": [
+            "CoreFoundation"
+        ]
+    },
     "glfw": {
         "source": "ext-glfw",
         "static-libs-unix": [

config/source.json

@@ -129,6 +129,15 @@
             "path": "LICENSE.TXT"
         }
     },
+    "gettext": {
+        "type": "filelist",
+        "url": "https://ftp.gnu.org/pub/gnu/gettext/",
+        "regex": "/href=\"(?<file>gettext-(?<version>[^\"]+)\\.tar\\.xz)\"/",
+        "license": {
+            "type": "file",
+            "path": "COPYING"
+        }
+    },
     "gmp": {
         "type": "ghtagtar",
         "repo": "alisw/GMP",