add dotnet for linux and macos

Author: waruqi

xmake/platforms/bsd/xmake.lua

@@ -30,7 +30,7 @@ platform("bsd")
 
     set_installdir("/usr/local")
 
-    set_toolchains("envs", "gcc", "clang", "yasm", "nasm", "fasm", "cuda", "go", "rust", "gfortran", "zig")
+    set_toolchains("envs", "gcc", "clang", "yasm", "nasm", "fasm", "cuda", "go", "rust", "gfortran", "zig", "dotnet")
 
     set_menu {
                 config =

xmake/platforms/linux/xmake.lua

@@ -36,7 +36,7 @@ platform("linux")
     --
     -- TODO Perhaps we should handle it better, or remove the cross toolchain.
     set_toolchains("envs", "gcc", "clang",
-        "cross", "yasm", "nasm", "fasm", "cuda", "go", "rust", "swift", "gfortran", "zig", "fpc", "nim")
+        "cross", "yasm", "nasm", "fasm", "cuda", "go", "rust", "swift", "gfortran", "zig", "fpc", "nim", "dotnet")
 
     set_menu {
                 config =

xmake/platforms/macosx/xmake.lua

@@ -29,7 +29,7 @@ platform("macosx")
     set_formats("symbol", "$(name).dSYM")
 
     set_installdir("/usr/local")
-    set_toolchains("envs", "xcode", "clang", "gcc", "yasm", "nasm", "cuda", "rust", "go", "gfortran", "zig", "fpc", "nim")
+    set_toolchains("envs", "xcode", "clang", "gcc", "yasm", "nasm", "cuda", "rust", "go", "gfortran", "zig", "fpc", "nim", "dotnet")
 
     set_menu {
                 config =