[ignition-cmake2] fix pkgconfig usage for finding OGRE (#32987)

ports/ignition-cmake2/fix-findogre-pkgconfig.patch

@@ -0,0 +1,52 @@
+diff --git a/cmake/FindIgnOGRE.cmake b/cmake/FindIgnOGRE.cmake
+index e00f619..6825eb2 100644
+--- a/cmake/FindIgnOGRE.cmake
++++ b/cmake/FindIgnOGRE.cmake
+@@ -99,15 +99,12 @@ if (NOT WIN32)
+         set (OGRE_FOUND false)
+       else ()
+         # set library dirs if the value is empty
+-        if (NOT ${OGRE_LIBRARY_DIRS} OR ${OGRE_LIBRARY_DIRS} STREQUAL "")
+-          execute_process(COMMAND pkg-config --variable=libdir OGRE
+-                          OUTPUT_VARIABLE _pkgconfig_invoke_result
+-                          RESULT_VARIABLE _pkgconfig_failed)
+-          if(_pkgconfig_failed)
++        if (NOT OGRE_LIBRARY_DIRS)
++          pkg_get_variable(OGRE_LIBRARY_DIRS OGRE libdir)
++          if(NOT OGRE_LIBRARY_DIRS)
+             IGN_BUILD_WARNING ("Failed to find OGRE's library directory.  The build will succeed, but there will likely be run-time errors.")
+           else()
+-            # set ogre library dir and strip line break
+-            set(OGRE_LIBRARY_DIRS ${_pkgconfig_invoke_result})
++            # strip line break
+             string(REGEX REPLACE "\n$" "" OGRE_LIBRARY_DIRS "${OGRE_LIBRARY_DIRS}")
+ 
+             string(FIND "${OGRE_LIBRARIES}" "${OGRE_LIBRARY_DIRS}" substr_found)
+@@ -147,22 +144,18 @@ if (NOT WIN32)
+       endif()
+     endforeach()
+ 
+-    execute_process(COMMAND pkg-config --variable=plugindir OGRE
+-                    OUTPUT_VARIABLE _pkgconfig_invoke_result
+-                    RESULT_VARIABLE _pkgconfig_failed)
+-    if(_pkgconfig_failed)
++    pkg_get_variable(OGRE_PLUGINDIR OGRE plugindir)
++    if(NOT OGRE_PLUGINDIR)
+       IGN_BUILD_WARNING ("Failed to find OGRE's plugin directory.  The build will succeed, but there will likely be run-time errors.")
+     else()
+-      # This variable will be substituted into cmake/setup.sh.in
+-      set(OGRE_PLUGINDIR ${_pkgconfig_invoke_result})
++      # Seems that OGRE_PLUGINDIR can end in a newline, which will cause problems
++      # when we pass it to the compiler later.
++      string(REPLACE "\n" "" OGRE_PLUGINDIR ${OGRE_PLUGINDIR})
+     endif()
+ 
+     ign_pkg_config_library_entry(IgnOGRE OgreMain)
+ 
+     set(OGRE_RESOURCE_PATH ${OGRE_PLUGINDIR})
+-    # Seems that OGRE_PLUGINDIR can end in a newline, which will cause problems
+-    # when we pass it to the compiler later.
+-    string(REPLACE "\n" "" OGRE_RESOURCE_PATH ${OGRE_RESOURCE_PATH})
+   endif()
+ 
+   #reset pkg config path

ports/ignition-cmake2/portfile.cmake

@@ -4,7 +4,8 @@ ignition_modular_library(NAME cmake
                          VERSION ${PACKAGE_VERSION}
                          SHA512 6ee64ff6c82c657678188be459c50a4255fd3881d758906d93361425702d04854a13a46124b20e058069f314077ba7e6c15a058153b615b3245084f066d1cbae
                          PATCHES
-                            add-pkgconfig-and-remove-privatefor-limit.patch)
+                            add-pkgconfig-and-remove-privatefor-limit.patch
+                            fix-findogre-pkgconfig.patch)
 
 # Install custom usage
 configure_file("${CMAKE_CURRENT_LIST_DIR}/usage" "${CURRENT_PACKAGES_DIR}/share/${PORT}/usage" @ONLY)

ports/ignition-cmake2/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "ignition-cmake2",
   "version": "2.16.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "CMake helper functions for building robotic applications",
   "homepage": "https://ignitionrobotics.org/libs/cmake",
   "license": null,

versions/baseline.json

@@ -3278,7 +3278,7 @@
     },
     "ignition-cmake2": {
       "baseline": "2.16.0",
-      "port-version": 1
+      "port-version": 2
     },
     "ignition-common1": {
       "baseline": "1.1.1",

versions/i-/ignition-cmake2.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b27712039b4d79cf56407894ede3681292712649",
+      "version": "2.16.0",
+      "port-version": 2
+    },
     {
       "git-tree": "fefe057cb14c0f698b0ebb1a717b5bba189ab355",
       "version": "2.16.0",