vcpkg/ports/ceres/0003_fix_exported_ceres_config.patch

diff --git a/cmake/CeresConfig.cmake.in b/cmake/CeresConfig.cmake.in
index ceb7e269..5dee7e3c 100644
--- a/cmake/CeresConfig.cmake.in
+++ b/cmake/CeresConfig.cmake.in
@@ -195,7 +195,7 @@ set(CERES_EIGEN_VERSION @Eigen3_VERSION@)
 # Search quietly to control the timing of the error message if not found. The
 # search should be for an exact match, but for usability reasons do a soft
 # match and reject with an explanation below.
-find_package(Eigen3 ${CERES_EIGEN_VERSION} QUIET)
+find_package(Eigen3 CONFIG ${CERES_EIGEN_VERSION} QUIET)
 if (Eigen3_FOUND)
   if (NOT Eigen3_VERSION VERSION_EQUAL CERES_EIGEN_VERSION)
     # CMake's VERSION check in FIND_PACKAGE() will accept any version >= the
@@ -217,55 +217,8 @@ else (Eigen3_FOUND)
 endif (Eigen3_FOUND)
 
 # glog (and maybe gflags).
-#
-# Flags set during configuration and build of Ceres.
-set(CERES_USES_MINIGLOG @MINIGLOG@)
-set(CERES_GLOG_VERSION @glog_VERSION@)
-set(CERES_GLOG_WAS_BUILT_WITH_CMAKE @FOUND_INSTALLED_GLOG_CMAKE_CONFIGURATION@)
-
-set(CERES_USES_GFLAGS @GFLAGS@)
-set(CERES_GFLAGS_VERSION @gflags_VERSION@)
-
-if (CERES_USES_MINIGLOG)
-  # Output message at standard log level (not the lower STATUS) so that
-  # the message is output in GUI during configuration to warn user.
-  ceres_message("-- Found Ceres compiled with miniglog substitute "
-    "for glog, beware this will likely cause problems if glog is later linked.")
-else(CERES_USES_MINIGLOG)
-  if (CERES_GLOG_WAS_BUILT_WITH_CMAKE)
-    find_package(glog ${CERES_GLOG_VERSION} CONFIG QUIET)
-    set(GLOG_FOUND ${glog_FOUND})
-  else()
-    # Version of glog against which Ceres was built was not built with CMake,
-    # use the exported glog find_package() module from Ceres to find it again.
-    # Append the locations of glog when Ceres was built to the search path hints.
-    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})
-
-    # Search quietly s/t we control the timing of the error message if not found.
-    find_package(Glog QUIET)
-  endif()
-
-  if (GLOG_FOUND)
-    ceres_message(STATUS "Found required Ceres dependency: glog")
-  else()
-    ceres_report_not_found("Missing required Ceres dependency: glog.")
-  endif()
-
-  # gflags is only a public dependency of Ceres via glog, thus is not required
-  # if Ceres was built with MINIGLOG.
-  if (CERES_USES_GFLAGS)
-    # Search quietly s/t we control the timing of the error message if not found.
-    find_package(gflags ${CERES_GFLAGS_VERSION} QUIET)
-    if (gflags_FOUND AND TARGET gflags)
-      ceres_message(STATUS "Found required Ceres dependency: gflags")
-    else()
-      ceres_report_not_found("Missing required Ceres "
-        "dependency: gflags (not found, or not found as exported CMake target).")
-    endif()
-  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)