Don't copy svm-toy if not on Windows (#16501)

* Don't copy svm-toy if not on Windows

svm-toy is only compiled on Windows, so should only be copied on Windows.

* Bump port version on libsvm. Switch to new manifest file format.

* [libsvm] Format manifest

* update version record

Co-authored-by: JackBoosY <yuzaiyang@beyondsoft.com>

ports/libsvm/CONTROL

@@ -1,7 +0,0 @@
-Source: libsvm
-Version: 323-1
-Description: A library for Support Vector Machines
-Homepage: https://www.csie.ntu.edu.tw/~cjlin/libsvm/
-
-Feature: tools
-Description: Build libsvm tools

ports/libsvm/portfile.cmake

@@ -29,7 +29,11 @@ vcpkg_copy_pdbs()
 vcpkg_fixup_cmake_targets(CONFIG_PATH share/unofficial-${PORT} TARGET_PATH share/unofficial-${PORT})
 
 if ("tools" IN_LIST FEATURES)
-    vcpkg_copy_tools(TOOL_NAMES svm-predict svm-scale svm-toy svm-train AUTO_CLEAN)
+    if (WIN32)
+        vcpkg_copy_tools(TOOL_NAMES svm-predict svm-scale svm-toy svm-train AUTO_CLEAN)
+    else ()
+        vcpkg_copy_tools(TOOL_NAMES svm-predict svm-scale svm-train AUTO_CLEAN)
+    endif ()
 endif ()
 
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)

ports/libsvm/vcpkg.json

@@ -0,0 +1,12 @@
+{
+  "name": "libsvm",
+  "version-string": "323",
+  "port-version": 2,
+  "description": "A library for Support Vector Machines.",
+  "homepage": "https://www.csie.ntu.edu.tw/~cjlin/libsvm/",
+  "features": {
+    "tools": {
+      "description": "build libsvm CLI tools."
+    }
+  }
+}

versions/baseline.json

@@ -3445,8 +3445,8 @@
       "port-version": 0
     },
     "libsvm": {
-      "baseline": "323-1",
-      "port-version": 0
+      "baseline": "323",
+      "port-version": 2
     },
     "libtheora": {
       "baseline": "1.2.0alpha1-20170719",

versions/l-/libsvm.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "14f75f50d38f27beddb27fb54bf0927942db9954",
+      "version-string": "323",
+      "port-version": 2
+    },
     {
       "git-tree": "81c8a12b8a8abcbfe0eefa7ea1643ea3118b49a2",
       "version-string": "323-1",