proj: fix linux syslinks (#5702)

* fix proj

* clean code

---------

Co-authored-by: star9029 <hengxings783@gmail.com>

packages/p/proj/xmake.lua

@@ -1,5 +1,4 @@
 package("proj")
-
     set_homepage("https://proj.org/index.html")
     set_description("PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another.")
     set_license("MIT")
@@ -13,14 +12,15 @@ package("proj")
     add_configs("tiff", {description = "Enable TIFF support.", default = false, type = "boolean"})
     add_configs("curl", {description = "Enable Curl support.", default = false, type = "boolean"})
 
-    add_deps("cmake", "sqlite3")
-    add_deps("nlohmann_json", {configs = {cmake = true}})
-    if is_plat("windows") then
+    if is_plat("windows", "mingw") then
         add_syslinks("shell32", "ole32")
-    elseif is_plat("linux") then
-        add_syslinks("pthread")
+    elseif is_plat("linux", "bsd") then
+        add_syslinks("dl", "pthread")
     end
 
+    add_deps("cmake", "sqlite3")
+    add_deps("nlohmann_json", {configs = {cmake = true}})
+
     on_load(function (package)
         if package:config("tiff") then
             package:add("deps", "libtiff")
@@ -31,6 +31,10 @@ package("proj")
         if package:config("apps") then
             package:addenv("PATH", "bin")
         end
+
+        if not package:config("shared") then
+            package:add("defines", "PROJ_DLL=")
+        end
     end)
 
     on_install("!wasm and (!android or android@!windows)", function (package)
@@ -55,11 +59,6 @@ package("proj")
         else
             import("package.tools.cmake").install(package, configs)
         end
-
-        if not package:config("shared") then
-            -- public compile definitions in CMake
-            package:add("defines", "PROJ_DLL=")
-        end
     end)
 
     on_test(function (package)