FindZIP.cmake

# Locate ZIP library
# This module defines
#  ZIP_FOUND, if false, do not try to link to ZIP
#  ZIP_LIBRARIES
#  ZIP_INCLUDE_DIR, where to find zip*.h

FIND_PACKAGE(PkgConfig)

PKG_SEARCH_MODULE(PC_ZIP zip libzip)

FIND_PATH(ZIP_INCLUDE_DIR zip.h
  HINTS
    ${ZIP_DIR}
    $ENV{ZIP_DIR}
    ${PC_ZIP_INCLUDE_DIRS}
  PATH_SUFFIXES
    include
  PATHS
    ~/Library/Frameworks
    /Library/Frameworks
    /usr/local
    /usr
    /sw # Fink
    /opt/local # DarwinPorts
    /opt/csw # Blastwave
    /opt
)

FIND_LIBRARY(ZIP_LIBRARY_RELEASE
  NAMES
    zip
    zip_s
  HINTS
    ${ZIP_DIR}
    $ENV{ZIP_DIR}
    ${PC_ZIP_LIBRARY_DIRS}
    ${PC_ZIP_LIBRARY_DIR}
  PATH_SUFFIXES
    lib64
    lib
  PATHS
    ~/Library/Frameworks
    /Library/Frameworks
    /usr/local
    /usr
    /sw
    /opt/local
    /opt/csw
    /opt
)

FIND_LIBRARY(ZIP_LIBRARY_DEBUG
  NAMES
    zipd
    zip_sd
  HINTS
    ${ZIP_DIR}
    $ENV{ZIP_DIR}
    ${PC_ZIP_LIBRARY_DIRS}
    ${PC_ZIP_LIBRARY_DIR}
  PATH_SUFFIXES
    lib64
    lib
  PATHS
    ~/Library/Frameworks
    /Library/Frameworks
    /usr/local
    /usr
    /sw
    /opt/local
    /opt/csw
    /opt
)

IF(ZIP_LIBRARY_DEBUG AND ZIP_LIBRARY_RELEASE)
  SET(ZIP_LIBRARY optimized ${ZIP_LIBRARY_RELEASE} debug ${ZIP_LIBRARY_DEBUG} )
  GET_FILENAME_COMPONENT(ZIP_FILENAME ${ZIP_LIBRARY_RELEASE} NAME_WE)
ELSEIF(ZIP_LIBRARY_RELEASE)
  SET(ZIP_LIBRARY ${ZIP_LIBRARY_RELEASE} )
  GET_FILENAME_COMPONENT(ZIP_FILENAME ${ZIP_LIBRARY_RELEASE} NAME_WE)
ELSEIF(ZIP_LIBRARY_DEBUG)
  SET(ZIP_LIBRARY ${ZIP_LIBRARY_DEBUG} )
  GET_FILENAME_COMPONENT(ZIP_FILENAME ${ZIP_LIBRARY_DEBUG} NAME_WE)
ENDIF()

IF(PC_ZIP_zip_FOUND)
  SET(ZIP_VERSION ${PC_ZIP_zip_VERSION})
ELSEIF(PC_ZIP_libzip_FOUND)
  SET(ZIP_VERSION ${PC_ZIP_libzip_VERSION})
ELSE()
  SET(ZIP_VERSION ${PC_ZIP_VERSION})
ENDIF()

INCLUDE(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set ZIP_FOUND to TRUE if
# all listed variables are TRUE
FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZIP
  REQUIRED_VARS
    ZIP_LIBRARY
    ZIP_INCLUDE_DIR
  VERSION_VAR
    ZIP_VERSION
)

STRING(FIND ${ZIP_FILENAME} zip_s ZIP_STATIC)

MARK_AS_ADVANCED(ZIP_INCLUDE_DIR ZIP_LIBRARY ZIP_LIBRARY_RELEASE ZIP_LIBRARY_DEBUG)

IF(ZIP_FOUND AND NOT TARGET ZIP::ZIP)
  IF(ZIP_STATIC EQUAL -1)
    ADD_LIBRARY(ZIP::ZIP SHARED IMPORTED)
    SET_TARGET_PROPERTIES(ZIP::ZIP PROPERTIES
      INTERFACE_COMPILE_DEFINITIONS
        ZIP_EXTERN=
      IMPORTED_LOCATION
        "${ZIP_LIBRARY}"
      INTERFACE_INCLUDE_DIRECTORIES
        "${ZIP_INCLUDE_DIR}"
    )
  ELSE()
    ADD_LIBRARY(ZIP::ZIP STATIC IMPORTED)
    SET_TARGET_PROPERTIES(ZIP::ZIP PROPERTIES
      IMPORTED_LOCATION
        "${ZIP_LIBRARY}"
      INTERFACE_INCLUDE_DIRECTORIES
        "${ZIP_INCLUDE_DIR}"
    )
  ENDIF()
ENDIF()