[sdl1] no absolute paths (#22718)

ports/sdl1/portfile.cmake

@@ -16,7 +16,7 @@ if (VCPKG_TARGET_IS_WINDOWS)
     file(COPY ${CMAKE_CURRENT_LIST_DIR}/SDL1_2017.sln DESTINATION ${SOURCE_PATH}/VisualC/ )
     
     if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
-        set(LIB_TYPE StaticLibrary)
+        set(LIB_TYPE StaticLibrary)
     else()
         set(LIB_TYPE DynamicLibrary)
     endif()
@@ -80,4 +80,11 @@ else()
     
     file(INSTALL ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
     file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+
+    if(EXISTS "${CURRENT_PACKAGES_DIR}/tools/sdl1/bin/sdl-config")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/tools/sdl1/bin/sdl-config" "${CURRENT_INSTALLED_DIR}" "`dirname $0`/../../..")
+    endif()
+    if(EXISTS "${CURRENT_PACKAGES_DIR}/tools/sdl1/debug/bin/sdl-config")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/tools/sdl1/debug/bin/sdl-config" "${CURRENT_INSTALLED_DIR}" "`dirname $0`/../../..")
+    endif()
 endif()

ports/sdl1/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "sdl1",
-  "version-string": "1.2.15",
-  "port-version": 14,
+  "version": "1.2.15",
+  "port-version": 15,
   "description": "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.",
   "homepage": "https://www.libsdl.org"
 }

versions/baseline.json

@@ -6250,7 +6250,7 @@
     },
     "sdl1": {
       "baseline": "1.2.15",
-      "port-version": 14
+      "port-version": 15
     },
     "sdl1-net": {
       "baseline": "1.2.8",

versions/s-/sdl1.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "4a3aba1bba75ee6d613144dbd6b2c64cbe6a090c",
+      "version": "1.2.15",
+      "port-version": 15
+    },
     {
       "git-tree": "dd8e1026af78ffd7bb4e9d6fa1455579367206e1",
       "version-string": "1.2.15",