test

cmake_minimum_required(VERSION 3.10)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" PARENT_SCOPE)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

project(libconfplus)

set(WINDOWS_EXPORT_ALL_SYMBOLS ON)

# FindYAMLCompat.cmake

# Ensures a modern imported target YAML::YAML exists.

# Tries config packages (yaml / LibYAML), then pkg-config, then manual.

# 1) Try config packages (vcpkg/Conan/etc.)

set(_yaml_config_found FALSE)

find_package(yaml CONFIG QUIET)

if(yaml_FOUND)

  if(TARGET yaml::yaml AND NOT TARGET YAML::YAML)

    add_library(YAML::YAML ALIAS yaml::yaml)

  endif()

  set(_yaml_config_found TRUE)

endif()

# CMake module to search for the C library libyaml

#

# If the library is found, then YAML_FOUND is set to TRUE,

# and following variables are set:

#   YAML_INCLUDE_DIR

#   YAML_LIBRARIES

if(NOT _yaml_config_found)

  find_package(LibYAML CONFIG QUIET)

  if(LibYAML_FOUND)

    if(TARGET LibYAML::LibYAML AND NOT TARGET YAML::YAML)

      add_library(YAML::YAML ALIAS LibYAML::LibYAML)

    endif()

    set(_yaml_config_found TRUE)

  endif()

endif()

# 1. Include directory search

find_path(YAML_INCLUDE_DIR NAMES yaml.h)

if(NOT TARGET YAML::YAML)

  # 2) Try pkg-config

  find_package(PkgConfig QUIET)

  if(PkgConfig_FOUND)

    pkg_check_modules(LIBYAML QUIET yaml-0.1)

  endif()

# 2. Configure library search for static libraries

# Speichern Sie die aktuellen Such-Suffixe

set(ORIGINAL_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})

  # 3) Manual fallback if pkg-config failed or incomplete

  if(NOT LIBYAML_FOUND)

    find_path(LIBYAML_INCLUDE_DIR yaml.h

      HINTS $ENV{LIBYAML_ROOT} ${CMAKE_PREFIX_PATH}

      PATH_SUFFIXES include

    )

    find_library(LIBYAML_LIBRARY NAMES yaml libyaml

      HINTS $ENV{LIBYAML_ROOT} ${CMAKE_PREFIX_PATH}

      PATH_SUFFIXES lib

    )

    if(NOT LIBYAML_INCLUDE_DIR OR NOT LIBYAML_LIBRARY)

      message(FATAL_ERROR "libyaml not found. Set LIBYAML_ROOT or install it (vcpkg: 'libyaml').")

# Stellen Sie sicher, dass wir nach den statischen Suffixen suchen

if (WIN32)

    # Unter Windows suchen wir explizit nach .lib (statisch) vor .dll (dynamisch)

    set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})

else()

    # Unter Unix/Linux/macOS ist .a das statische Standard-Suffix

    set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})

endif()

    add_library(YAML::YAML UNKNOWN IMPORTED)

    set_target_properties(YAML::YAML PROPERTIES

      IMPORTED_LOCATION "${LIBYAML_LIBRARY}"

      INTERFACE_INCLUDE_DIRECTORIES "${LIBYAML_INCLUDE_DIR}"

# 3. Search for the static library

find_library(YAML_LIBRARIES NAMES yaml libyaml)

# 4. Set Suffixes back to original

set(CMAKE_FIND_LIBRARY_SUFFIXES ${ORIGINAL_CMAKE_FIND_LIBRARY_SUFFIXES})

# 5. Handle standard arguments

include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(YAML DEFAULT_MSG YAML_LIBRARIES YAML_INCLUDE_DIR)

mark_as_advanced(YAML_INCLUDE_DIR YAML_LIBRARIES)

# 6. Create IMPORTED Target for modern CMake usage

# WICHTIG: Verwenden Sie 'yaml::yaml', um den Anforderungen von libconfplus zu entsprechen.

if (YAML_FOUND AND NOT TARGET yaml::yaml)

    # Target mit dem korrekten Namen erstellen

    add_library(yaml::yaml UNKNOWN IMPORTED)

    set_target_properties(yaml::yaml PROPERTIES

        INTERFACE_INCLUDE_DIRECTORIES "${YAML_INCLUDE_DIR}"

        IMPORTED_LOCATION "${YAML_LIBRARIES}"

        IMPORTED_LINK_INTERFACE_LANGUAGES "C"

    )

  else()

    # Use pkg-config result to create a modern target

    add_library(YAML::YAML INTERFACE IMPORTED)

    set_target_properties(YAML::YAML PROPERTIES

      INTERFACE_INCLUDE_DIRECTORIES "${LIBYAML_INCLUDE_DIRS}"

      INTERFACE_LINK_LIBRARIES "${LIBYAML_LIBRARIES}"

    # Wenn es eine statische Bibliothek ist, verwenden wir IMPORTED_LINK_INTERFACE_LIBRARIES

    # Das Ziel benötigt KEINE zusätzlichen Bibliotheken (wie pthread oder ws2_32),

    # da libyaml diese nicht exponiert.

    if (YAML_LIBRARIES MATCHES "\\.a$|\\.lib$")

        set_target_properties(yaml::yaml PROPERTIES 

            IMPORTED_LINK_INTERFACE_LIBRARIES ""

        )

    endif()

endif()

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