add libtiff and improve freeglut

packages/f/freeglut/xmake.lua

@@ -14,3 +14,7 @@ package("freeglut")
     on_install("linux", "windows", function (package)
         import("package.tools.cmake").install(package)
     end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("glutInit", {includes = "GL/glut.h"}))
+    end)

packages/l/libtiff/xmake.lua

@@ -0,0 +1,27 @@
+package("libtiff")
+
+    set_homepage("http://www.simplesystems.org/libtiff/")
+    set_description("TIFF Library and Utilities.")
+
+    set_urls("https://download.osgeo.org/libtiff/tiff-$(version).tar.gz",
+             "https://fossies.org/linux/misc/tiff-$(version).tar.gz")
+    add_versions("4.1.0", "5d29f32517dadb6dbcd1255ea5bbc93a2b54b94fbf83653b4d65c7d6775b8634")
+
+    add_links("tiff")
+
+    if is_plat("windows") then
+        add_deps("cmake")
+    end
+
+    on_install("windows", function (package)
+        import("package.tools.cmake").install(package)
+    end)
+
+    on_install("macosx", "linux", function (package)
+        local configs = {"--disable-dependency-tracking", "--disable-lzma", "--without-x"}
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("TIFFOpen", {includes = "tiffio.h"}))
+    end)