[glog] Fixed gflags dependency (#18739)

ports/gflags/CONTROL

@@ -1,5 +1,6 @@
 Source: gflags
-Version: 2.2.2-1
+Version: 2.2.2
+Port-Version: 2
 Homepage: https://github.com/gflags/gflags
 Description: A C++ library that implements commandline flags processing
 Supports: !uwp

ports/gflags/portfile.cmake

@@ -20,6 +20,7 @@ vcpkg_configure_cmake(
         -DGFLAGS_REGISTER_BUILD_DIR:BOOL=OFF
         -DGFLAGS_REGISTER_INSTALL_PREFIX:BOOL=OFF
         -DBUILD_gflags_nothreads_LIB:BOOL=OFF
+        -DGFLAGS_USE_TARGET_NAMESPACE:BOOL=ON
         -DCMAKE_DEBUG_POSTFIX=d
 )
 
@@ -33,6 +34,8 @@ endif()
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
 
-file(INSTALL ${SOURCE_PATH}/COPYING.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/gflags RENAME copyright)
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+file(INSTALL "${SOURCE_PATH}/COPYING.txt" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
 
 vcpkg_copy_pdbs()

ports/gflags/usage

@@ -0,0 +1,4 @@
+The package gflags provides CMake targets:
+
+    find_package(gflags CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE gflags::gflags)

ports/gflags/vcpkg-cmake-wrapper.cmake

@@ -0,0 +1,9 @@
+set(GFLAGS_USE_TARGET_NAMESPACE ON)
+
+_find_package(${ARGS})
+
+foreach(tgt gflags gflags_shared gflags_static)
+    if (NOT TARGET ${tgt} AND TARGET "gflags::${tgt}")
+        add_library(${tgt} ALIAS "gflags::${tgt}")
+    endif() 
+endforeach(tgt)

versions/baseline.json

@@ -2293,8 +2293,8 @@
       "port-version": 0
     },
     "gflags": {
-      "baseline": "2.2.2-1",
+      "baseline": "2.2.2",
-      "port-version": 0
+      "port-version": 2
     },
     "ghc-filesystem": {
       "baseline": "1.5.4",

versions/g-/gflags.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "1e2bb870b1e3592591d62f396378e25b2678d80c",
+      "version-string": "2.2.2",
+      "port-version": 2
+    },
     {
       "git-tree": "7dd635d5295af145f4601ba13219aa0d84630f27",
       "version-string": "2.2.2-1",