Add libiconv,libssh2,libxml2,xz

config/pkg/lib/libiconv.yml

@@ -0,0 +1,18 @@
+libiconv:
+  type: library
+  artifact:
+    source:
+      type: filelist
+      url: 'https://ftp.gnu.org/gnu/libiconv/'
+      regex: '/href="(?<file>libiconv-(?<version>[^"]+)\.tar\.gz)"/'
+    binary: hosted
+    metadata:
+      license-files: [COPYING.LIB]
+      license: LGPL-2.0-or-later
+  headers:
+    - iconv.h
+    - libcharset.h
+    - localcharset.h
+  static-libs@unix:
+    - libiconv.a
+    - libcharset.a

config/pkg/lib/libssh2.yml

@@ -0,0 +1,22 @@
+libssh2:
+  type: library
+  artifact:
+    source:
+      type: ghrel
+      repo: libssh2/libssh2
+      match: libssh2.+\.tar\.gz
+      prefer-stable: true
+    binary: hosted
+    metadata:
+      license-files: [COPYING]
+      license: BSD-3-Clause
+  depends:
+    - openssl
+  headers:
+    - libssh2.h
+    - libssh2_publickey.h
+    - libssh2_sftp.h
+  static-libs@unix:
+    - libssh2.a
+  pkg-configs:
+    - libssh2

config/pkg/lib/libxml2.yml

@@ -0,0 +1,19 @@
+libxml2:
+  type: library
+  artifact:
+    source:
+      type: ghtagtar
+      repo: GNOME/libxml2
+      match: 'v2\.\d+\.\d+$'
+    metadata:
+      license-files: [Copyright]
+      license: MIT
+  depends@unix:
+    - libiconv
+  suggests@unix:
+    - xz
+    - zlib
+  headers:
+    - libxml2
+  pkg-configs:
+    - libxml-2.0

config/pkg/lib/xz.yml

@@ -0,0 +1,20 @@
+xz:
+  type: library
+  artifact:
+    source:
+      type: ghrel
+      repo: tukaani-project/xz
+      match: xz.+\.tar\.xz
+      prefer-stable: true
+    binary: hosted
+    metadata:
+      license-files: [COPYING]
+      license: 0BSD
+  depends@unix:
+    - libiconv
+  headers@unix:
+    - lzma
+  static-libs@unix:
+    - liblzma.a
+  pkg-configs:
+    - liblzma