reproc: add missing macro (#7782)

* reproc: add missing macro

* Update xmake.lua

packages/r/reproc/xmake.lua

@@ -1,41 +1,46 @@
 package("reproc")
-
     set_description("a cross-platform C/C++ library that simplifies starting, stopping and communicating with external programs.")
     set_homepage("https://github.com/DaanDeMeyer/reproc")
     set_license("MIT")
 
     add_urls("https://github.com/DaanDeMeyer/reproc/archive/refs/tags/$(version).tar.gz",
              "https://github.com/DaanDeMeyer/reproc.git")
+
     add_versions("v14.2.5", "69467be0cfc80734b821c54ada263c8f1439f964314063f76b7cf256c3dc7ee8")
     add_versions("v14.2.4", "55c780f7faa5c8cabd83ebbb84b68e5e0e09732de70a129f6b3c801e905415dd")
+
     add_patches("v14.2.4", path.join(os.scriptdir(), "patches", "0001-to-head.diff"),
         "a5ed818fc36a93bf1f146e6b993e7d0e78daac9c3e5c005f7c84d3e7441f80bb")
 
+    add_configs("c++", { description = "Build reproc C++ library.", default = true, type = "boolean" })
+    add_configs("multithreaded", { description = "Enable multithreading.", default = true, type = "boolean" })
+
     add_deps("cmake")
 
+    add_links("reproc++", "reproc")
     if is_plat("windows", "mingw") then
         add_syslinks("ws2_32")
     end
 
-    add_configs("c++", { description = "Build reproc C++ library.", default = true, type = "boolean" })
-    add_configs("multithreaded", { description = "Enable multithreading.", default = true, type = "boolean" })
-
     on_install(function(package)
-        local configs = {}
-        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "RelWithDebInfo"))
-        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
-        table.insert(configs, "-DREPROC++=" .. (package:config("c++") and "ON" or "OFF"))
-        table.insert(configs, "-DREPROC_MULTITHREADED=" .. (package:config("multithreaded") and "ON" or "OFF"))
-        
+        if package:is_plat("windows") and package:config("shared") then
+            package:add("defines", "REPROC_SHARED")
+            if package:config("c++") then
+                package:add("defines", "REPROCXX_SHARED")
+            end
+        end
         if package:config("multithreaded") and not package:is_plat("windows", "android") then
             package:add("syslinks", "pthread")
         end
 
+        local configs = {}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "RelWithDebInfo"))
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+        table.insert(configs, "-DREPROC++=" .. (package:config("c++") and "ON" or "OFF"))
+        table.insert(configs, "-DREPROC_MULTITHREADED=" .. (package:config("multithreaded") and "ON" or "OFF"))
         import("package.tools.cmake").install(package, configs)
-        package:add("linkorders", {"reproc++", "reproc"})
     end)
 
     on_test(function(package)
         assert(package:has_cfuncs("reproc_run", { includes = "reproc/run.h" }))
     end)
-