add libpng

packages/l/libpng/xmake.lua

@@ -0,0 +1,28 @@
+package("libpng")
+
+    set_homepage("http://www.libpng.org/pub/png/libpng.html")
+    set_description("The official PNG reference library")
+
+    set_urls("https://github.com/glennrp/libpng/archive/$(version).zip")
+    add_versions("v1.6.35", "3d22d46c566b1761a0e15ea397589b3a5f36ac09b7c785382e6470156c04247f")
+    add_versions("v1.6.34", "7ffa5eb8f9f3ed23cf107042e5fec28699718916668bbce48b968600475208d3")
+
+    if is_host("windows") then
+        add_deps("cmake")
+    end
+
+    on_build("windows", function (package)
+        import("package.builder.cmake").build(package)
+    end)
+
+    on_install("windows", function (package)
+        import("package.builder.cmake").install(package)
+    end)
+
+    on_build("macosx", "linux", function (package)
+        import("package.builder.autoconf").build(package)
+    end)
+
+    on_install("macosx", "linux", function (package)
+        import("package.builder.autoconf").install(package)
+    end)