[pcl] no absolute paths (microsoft#22661)

ports/pcl/no-absolute.patch

@@ -0,0 +1,21 @@
+diff --git a/PCLConfig.cmake.in b/PCLConfig.cmake.in
+index 4137ed1..167fde2 100644
+--- a/PCLConfig.cmake.in
++++ b/PCLConfig.cmake.in
+@@ -230,7 +230,7 @@ macro(find_flann)
+   if(PCL_ALL_IN_ONE_INSTALLER)
+     set(FLANN_ROOT "${PCL_ROOT}/3rdParty/Flann")
+   elseif(NOT FLANN_ROOT)
+-    set(FLANN_ROOT "@FLANN_ROOT@")
++    set(FLANN_ROOT "${VCPKG_IMPORT_PREFIX}")
+   endif()
+
+   set(FLANN_USE_STATIC @FLANN_USE_STATIC@)
+@@ -402,7 +402,6 @@ elseif(EXISTS "${PCL_DIR}/include/pcl/pcl_config.h")
+   # pcl_message("PCL found into a build tree.")
+   set(PCL_CONF_INCLUDE_DIR "${PCL_DIR}/include") # for pcl_config.h
+   set(PCL_LIBRARY_DIRS "${PCL_DIR}/@LIB_INSTALL_DIR@")
+-  set(PCL_SOURCES_TREE "@CMAKE_SOURCE_DIR@")
+ else()
+   pcl_report_not_found("PCL can not be found on this machine")
+ endif()

ports/pcl/portfile.cmake

@@ -16,6 +16,7 @@ vcpkg_from_github(
         fix-pkgconfig.patch # Remove this patch in the next update
         fix-find-libusb.patch
         install-examples.patch
+        no-absolute.patch
 )
 
 file(REMOVE "${SOURCE_PATH}/cmake/Modules/FindQhull.cmake"

ports/pcl/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "pcl",
   "version": "1.12.0",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Point Cloud Library (PCL) is open source library for 2D/3D image and point cloud processing.",
   "homepage": "https://github.com/PointCloudLibrary/pcl",
   "supports": "!(arm64 & windows)",

versions/baseline.json

@@ -5222,7 +5222,7 @@
     },
     "pcl": {
       "baseline": "1.12.0",
-      "port-version": 2
+      "port-version": 3
     },
     "pcre": {
       "baseline": "8.45",

versions/p-/pcl.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "0f0c24ef83692fbcc9434ec9622592ba9b16e0d5",
+      "version": "1.12.0",
+      "port-version": 3
+    },
     {
       "git-tree": "5d02740fc9422f1b520ae322cda71e8e6e5323cf",
       "version": "1.12.0",