libdisasm: add package (#2716)

packages/l/libdisasm/xmake.lua

@@ -0,0 +1,27 @@
+package("libdisasm")
+    set_homepage("https://bastard.sourceforge.net/libdisasm.html")
+    set_description("The libdisasm library provides basic disassembly of Intel x86 instructions from a binary stream.")
+    set_license("MIT")
+
+    add_urls("http://downloads.sourceforge.net/project/bastard/libdisasm/$(version)/libdisasm-$(version).tar.gz")
+    add_versions("0.23", "de3e578aa582af6e1d7729f39626892fb72dc6573658a221e0905f42a65433da")
+
+    on_install(function (package)
+        io.writefile("xmake.lua", [[
+            add_rules("mode.debug", "mode.release")
+            target("libdisasm")
+                set_kind("$(kind)")
+                add_files("libdisasm/*.c")
+                add_headerfiles("(libdisasm/*.h)")
+                if is_plat("windows") and is_kind("shared") then
+                    add_rules("utils.symbols.export_all")
+                end
+        ]])
+        io.replace("libdisasm/x86_disasm.c", "buf_rva+offset", "(buf_rva+offset)", {plain = true})
+        io.replace("libdisasm/x86_disasm.c", "buf_rva + offset", "(buf_rva+offset)", {plain = true})
+        import("package.tools.xmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("x86_init", {includes = "libdisasm/libdis.h"}))
+    end)