add package mpg123 (#2551)

* add package mpg123

* filter plat

packages/m/mpg123/xmake.lua

@@ -0,0 +1,28 @@
+package("mpg123")
+    set_homepage("https://www.mpg123.de/")
+    set_description("Fast console MPEG Audio Player and decoder library")
+
+    add_urls("https://sourceforge.net/projects/mpg123/files/mpg123/$(version)/mpg123-$(version).tar.bz2")
+
+    add_versions("1.30.2", "c7ea863756bb79daed7cba2942ad3b267a410f26d2dfbd9aaf84451ff28a05d7")
+
+    add_deps("autoconf", "automake", "libtool")
+    if is_plat("linux") then
+        add_syslinks("m")
+    end
+
+    on_install("linux", "macosx", "android", "iphoneos", "bsd", "cross", function (package)
+        local configs = {}
+        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
+        if package:debug() then
+            table.insert(configs, "--enable-debug")
+        end
+        if package:is_plat("linux") and package:config("pic") ~= false then
+            table.insert(configs, "--with-pic")
+        end
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("mpg123_init", {includes = "mpg123.h"}))
+    end)