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# FindFmt
# -------
# Finds the Fmt library
#
# This will define the following variables::
#
# FMT_FOUND - system has Fmt
# FMT_INCLUDE_DIRS - the Fmt include directory
# FMT_LIBRARIES - the Fmt libraries
#
# and the following imported targets::
#
#   fmt   - The Fmt library

if(ENABLE_INTERNAL_FMT)
  include(cmake/scripts/common/ModuleHelpers.cmake)

  set(MODULE_LC fmt)

  # fmt debug uses postfix d for all platforms
  set(FMT_DEBUG_POSTFIX d)

  SETUP_BUILD_VARS()

  if(APPLE)
    set(EXTRA_ARGS "-DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}")
  endif()

  set(FMT_VERSION ${${MODULE}_VER})

  if(WIN32 OR WINDOWS_STORE)
    # find the path to the patch executable
    find_program(PATCH_EXECUTABLE NAMES patch patch.exe REQUIRED)

    set(patch ${CMAKE_SOURCE_DIR}/tools/depends/target/${MODULE_LC}/001-windows-pdb-symbol-gen.patch)
    PATCH_LF_CHECK(${patch})

    set(PATCH_COMMAND ${PATCH_EXECUTABLE} -p1 -i ${patch})
  endif()

  set(CMAKE_ARGS -DCMAKE_CXX_EXTENSIONS=${CMAKE_CXX_EXTENSIONS}
                 -DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}
                 -DFMT_DOC=OFF
                 -DFMT_TEST=OFF
                 -DFMT_INSTALL=ON
                 "${EXTRA_ARGS}")

  BUILD_DEP_TARGET()
else()
  find_package(FMT 6.1.2 CONFIG REQUIRED QUIET)

  if(PKG_CONFIG_FOUND)
    pkg_check_modules(PC_FMT libfmt QUIET)
    if(PC_FMT_VERSION AND NOT FMT_VERSION)
      set(FMT_VERSION ${PC_FMT_VERSION})
    endif()
  endif()

  find_path(FMT_INCLUDE_DIR NAMES fmt/format.h
                            PATHS ${PC_FMT_INCLUDEDIR})

  find_library(FMT_LIBRARY_RELEASE NAMES fmt
                                  PATHS ${PC_FMT_LIBDIR})
  find_library(FMT_LIBRARY_DEBUG NAMES fmtd
                                 PATHS ${PC_FMT_LIBDIR})

endif()

include(SelectLibraryConfigurations)
select_library_configurations(FMT)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Fmt
                                  REQUIRED_VARS FMT_LIBRARY FMT_INCLUDE_DIR
                                  VERSION_VAR FMT_VERSION)

if(FMT_FOUND)
  set(FMT_LIBRARIES ${FMT_LIBRARY})
  set(FMT_INCLUDE_DIRS ${FMT_INCLUDE_DIR})

  if(NOT TARGET fmt)
    add_library(fmt UNKNOWN IMPORTED)
    set_target_properties(fmt PROPERTIES
                               IMPORTED_LOCATION "${FMT_LIBRARY}"
                               INTERFACE_INCLUDE_DIRECTORIES "${FMT_INCLUDE_DIR}")
  endif()

  set_property(GLOBAL APPEND PROPERTY INTERNAL_DEPS_PROP fmt)
endif()

mark_as_advanced(FMT_INCLUDE_DIR FMT_LIBRARY)