build lame on windows x86 (#2653)

* build lame with msvc on x86 system

* build static package only

packages/l/lame/xmake.lua

@@ -5,6 +5,7 @@ package("lame")
 
     add_urls("https://downloads.sourceforge.net/project/lame/lame/$(version)/lame-$(version).tar.gz")
     add_versions("3.100", "ddfe36cab873794038ae2c1210557ad34857a4b6bdc515785d1da9e175b1da1e")
+    add_configs("shared", {description = "Build static libraries", default = false, type = "boolean", readonly = true})
 
     add_deps("nasm")
 
@@ -23,6 +24,15 @@ package("lame")
         import("package.tools.autoconf").install(package, configs)
     end)
 
+    on_install("windows|x86", function (package)
+        os.cp("configMS.h", "config.h")
+        io.gsub("Makefile.MSVC", "nasmw", "nasm")
+        import("package.tools.nmake").build(package, {"-f", "Makefile.MSVC"})
+        os.cp("output/*.lib", package:installdir("lib"))
+        os.cp("output/*.exe", package:installdir("bin"))
+        os.cp("include/*.h", package:installdir("include/lame"))
+    end)
+
     on_test(function (package)
         assert(package:has_cfuncs("lame_encode_buffer", {includes = "lame/lame.h"}))
     end)