vcpkg/ports/ceres/0003_fix_exported_ceres_config.patch

diff --git a/cmake/CeresConfig.cmake.in b/cmake/CeresConfig.cmake.in
index d0380de..bf4c2eb 100644
--- a/cmake/CeresConfig.cmake.in
+++ b/cmake/CeresConfig.cmake.in
@@ -237,85 +237,8 @@ endif (EIGEN_FOUND)
 list(APPEND CERES_INCLUDE_DIRS ${EIGEN_INCLUDE_DIRS})
 
 # Glog.
-# Flag set during configuration and build of Ceres.
-set(CERES_USES_MINIGLOG @MINIGLOG@)
-set(CERES_USES_GFLAGS @GFLAGS@)
-if (CERES_USES_MINIGLOG)
-  set(MINIGLOG_INCLUDE_DIR ${CERES_INCLUDE_DIR}/ceres/internal/miniglog)
-  if (NOT CERES_WAS_INSTALLED)
-    # When Ceres was exported from the build tree, the miniglog headers
-    # will be in Ceres internal source directory, not in the public headers
-    # directory (they are copied with the public headers when installed).
-    set(MINIGLOG_INCLUDE_DIR
-      ${CERES_EXPORTED_SOURCE_DIR}/internal/ceres/miniglog)
-  endif()
-  if (NOT EXISTS ${MINIGLOG_INCLUDE_DIR})
-    ceres_report_not_found(
-      "Failed to find miniglog headers in expected include directory: "
-      "${MINIGLOG_INCLUDE_DIR}, but Ceres was compiled with MINIGLOG enabled "
-      "(in place of glog).")
-  endif (NOT EXISTS ${MINIGLOG_INCLUDE_DIR})
-  list(APPEND CERES_INCLUDE_DIRS ${MINIGLOG_INCLUDE_DIR})
-  # Output message at standard log level (not the lower STATUS) so that
-  # the message is output in GUI during configuration to warn user.
-  message("-- Found Ceres compiled with miniglog substitute "
-    "for glog, beware this will likely cause problems if glog is later linked.")
-else (CERES_USES_MINIGLOG)
-  # Append the locations of glog when Ceres was built to the search path hints.
-  set(GLOG_WAS_BUILT_WITH_CMAKE @FOUND_INSTALLED_GLOG_CMAKE_CONFIGURATION@)
-  if (GLOG_WAS_BUILT_WITH_CMAKE)
-    set(glog_DIR @glog_DIR@)
-    set(GLOG_PREFER_EXPORTED_GLOG_CMAKE_CONFIGURATION TRUE)
-  else()
-    list(APPEND GLOG_INCLUDE_DIR_HINTS @GLOG_INCLUDE_DIR@)
-    get_filename_component(CERES_BUILD_GLOG_LIBRARY_DIR @GLOG_LIBRARY@ PATH)
-    list(APPEND GLOG_LIBRARY_DIR_HINTS ${CERES_BUILD_GLOG_LIBRARY_DIR})
-  endif()
-
-  # Search quietly s/t we control the timing of the error message if not found.
-  find_package(Glog QUIET)
-  if (GLOG_FOUND)
-    message(STATUS "Found required Ceres dependency: glog")
-  else (GLOG_FOUND)
-    ceres_report_not_found("Missing required Ceres "
-      "dependency: glog. Searched using GLOG_INCLUDE_DIR_HINTS: "
-      "${GLOG_INCLUDE_DIR_HINTS} and glog_DIR: ${glog_DIR}.")
-  endif (GLOG_FOUND)
-  list(APPEND CERES_INCLUDE_DIRS ${GLOG_INCLUDE_DIRS})
-
-  # gflags is only a public dependency of Ceres via glog, thus is not required
-  # if Ceres was built with MINIGLOG.
-  if (CERES_USES_GFLAGS)
-    # If gflags was found as an imported CMake target, we need to call
-    # find_packge(Gflags) again here, as imported CMake targets are not
-    # re-exported.  Without this, the 'gflags-shared' target name which is
-    # present in CERES_LIBRARIES in this case would not be defined, and so
-    # CMake will assume it is a library name (which it is not) and fail to link.
-    #
-    # Append the locations of gflags when Ceres was built to the search path
-    # hints.
-    set(GFLAGS_WAS_BUILT_WITH_CMAKE @FOUND_INSTALLED_GFLAGS_CMAKE_CONFIGURATION@)
-    if (GFLAGS_WAS_BUILT_WITH_CMAKE)
-      set(gflags_DIR @gflags_DIR@)
-      set(GFLAGS_PREFER_EXPORTED_GFLAGS_CMAKE_CONFIGURATION TRUE)
-    else()
-      list(APPEND GFLAGS_INCLUDE_DIR_HINTS @GFLAGS_INCLUDE_DIR@)
-      get_filename_component(CERES_BUILD_GFLAGS_LIBRARY_DIR @GFLAGS_LIBRARY@ PATH)
-      list(APPEND GFLAGS_LIBRARY_DIR_HINTS ${CERES_BUILD_GFLAGS_LIBRARY_DIR})
-    endif()
-
-    # Search quietly s/t we control the timing of the error message if not found.
-    find_package(Gflags QUIET)
-    if (GFLAGS_FOUND)
-      message(STATUS "Found required Ceres dependency: gflags")
-    else()
-      ceres_report_not_found("Missing required Ceres "
-        "dependency: gflags. Searched using GFLAGS_INCLUDE_DIR_HINTS: "
-        "${GFLAGS_INCLUDE_DIR_HINTS} and gflags_DIR: ${gflags_DIR}.")
-    endif()
-    list(APPEND CERES_INCLUDE_DIRS ${GFLAGS_INCLUDE_DIR_HINTS})
-  endif()
-endif (CERES_USES_MINIGLOG)
+include (CMakeFindDependencyMacro)
+find_dependency (glog NO_MODULE)
 
 # Import exported Ceres targets, if they have not already been imported.
 if (NOT TARGET ceres AND NOT Ceres_BINARY_DIR)