add clip package (#1405)

* add clip package

* clip: fix links, exports, remove bsd

packages/c/clip/xmake.lua

@@ -0,0 +1,46 @@
+package("clip")
+    set_homepage("https://github.com/dacap/clip")
+    set_description("Library to copy/retrieve content to/from the clipboard/pasteboard.")
+    set_license("MIT")
+
+    set_urls("https://github.com/dacap/clip/archive/refs/tags/v$(version).zip")
+    add_versions("1.5", "4ed7f54184c27c79a8f2382ba747dce11aeb4552017abf5588587369a6caeb6b")
+
+    add_deps("cmake", "libpng")
+    if is_plat("linux") then
+        add_deps("libxcb")
+    elseif is_plat("windows") or is_plat("mingw") then
+        add_syslinks("Shlwapi", "Ole32", "User32")
+    end
+    if is_plat("mingw") then
+        add_syslinks("Windowscodecs")
+    end
+
+    add_includedirs("include")
+
+    on_install("linux", "windows", "mingw@windows,msys", "macos", function(package)
+        local configs = {}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+        table.insert(configs, "-DCLIP_EXAMPLES=OFF")
+        table.insert(configs, "-DCLIP_TESTS=OFF")
+        if package:config("shared") and package:is_plat("windows") then
+            table.insert(configs, "-DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS=ON")
+        end
+        import("package.tools.cmake").install(package, configs, { buildir="build" })
+        os.cp("clip.h", package:installdir("include/clip"))
+        os.trycp("build/*.a", package:installdir("lib"))
+        os.trycp("build/*.dylib", package:installdir("lib"))
+        os.trycp("build/*.so", package:installdir("lib"))
+        os.trycp("build/*.lib", package:installdir("lib"))
+        os.trycp("build/*.dll", package:installdir("bin"))
+    end)
+
+    on_test(function(package)
+        assert(package:check_cxxsnippets({ test = [[
+              #include <clip/clip.h>
+              #include <string>
+              void test() { clip::set_text("foo"); }
+          ]]}
+        ))
+    end)