add libiconv source

config/lib.json

@@ -154,6 +154,9 @@
         "headers": [
             "libxml2"
         ],
+        "lib-depends": [
+            "libiconv"
+        ],
         "lib-suggests": [
             "icu",
             "xz",
@@ -166,6 +169,17 @@
             "pthreads4w"
         ]
     },
+    "libiconv": {
+        "source": "libiconv",
+        "static-libs-unix": [
+            "libiconv.a"
+        ],
+        "headers": [
+            "iconv.h",
+            "libcharset.h",
+            "localcharset.h"
+        ]
+    },
     "libyaml": {
         "source": "libyaml",
         "static-libs-unix": [

config/source.json

@@ -223,6 +223,15 @@
             "path": "LICENSE"
         }
     },
+    "libiconv":{
+        "type": "filelist",
+        "url": "https://ftp.gnu.org/gnu/libiconv/",
+        "regex": "/href=\"(?<file>libiconv-(?<version>[^\"]+)\\.tar\\.gz)\"/",
+        "license": {
+            "type": "text",
+            "text": "TODO"
+        }
+    },
     "xz": {
         "type": "filelist",
         "url": "https://tukaani.org/xz/",