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# Searches for an installation of the zstd library. On success, it sets the following variables:
#
# Zstd_FOUND Set to true to indicate the zstd library was found
# Zstd_INCLUDE_DIRS The directory containing the header file zstd/zstd.h
# Zstd_LIBRARIES The libraries needed to use the zstd library
#
# To specify an additional directory to search, set Zstd_ROOT.
#
# Author: Siddhartha Chaudhuri, 2009
#
# Look for the header, first in the user-specified location and then in the system locations
SET(Zstd_INCLUDE_DOC "The directory containing the header file zstd.h")
FIND_PATH(Zstd_INCLUDE_DIRS NAMES zstd.h zstd/zstd.h PATHS ${Zstd_ROOT} ${Zstd_ROOT}/include DOC ${Zstd_INCLUDE_DOC} NO_DEFAULT_PATH)
IF(NOT Zstd_INCLUDE_DIRS) # now look in system locations
FIND_PATH(Zstd_INCLUDE_DIRS NAMES zstd.h zstd/zstd.h DOC ${Zstd_INCLUDE_DOC})
ENDIF(NOT Zstd_INCLUDE_DIRS)
SET(Zstd_FOUND FALSE)
IF(Zstd_INCLUDE_DIRS)
SET(Zstd_LIBRARY_DIRS ${Zstd_INCLUDE_DIRS})
IF("${Zstd_LIBRARY_DIRS}" MATCHES "/include$")
# Strip off the trailing "/include" in the path.
GET_FILENAME_COMPONENT(Zstd_LIBRARY_DIRS ${Zstd_LIBRARY_DIRS} PATH)
ENDIF("${Zstd_LIBRARY_DIRS}" MATCHES "/include$")
IF(EXISTS "${Zstd_LIBRARY_DIRS}/lib")
SET(Zstd_LIBRARY_DIRS ${Zstd_LIBRARY_DIRS}/lib)
ENDIF(EXISTS "${Zstd_LIBRARY_DIRS}/lib")
# Find Zstd libraries
FIND_LIBRARY(Zstd_DEBUG_LIBRARY NAMES zstdd zstd_d libzstdd libzstd_d libzstd
PATH_SUFFIXES Debug ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Debug
PATHS ${Zstd_LIBRARY_DIRS} NO_DEFAULT_PATH)
FIND_LIBRARY(Zstd_RELEASE_LIBRARY NAMES zstd libzstd
PATH_SUFFIXES Release ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Release
PATHS ${Zstd_LIBRARY_DIRS} NO_DEFAULT_PATH)
SET(Zstd_LIBRARIES )
IF(Zstd_DEBUG_LIBRARY AND Zstd_RELEASE_LIBRARY)
SET(Zstd_LIBRARIES debug ${Zstd_DEBUG_LIBRARY} optimized ${Zstd_RELEASE_LIBRARY})
ELSEIF(Zstd_DEBUG_LIBRARY)
SET(Zstd_LIBRARIES ${Zstd_DEBUG_LIBRARY})
ELSEIF(Zstd_RELEASE_LIBRARY)
SET(Zstd_LIBRARIES ${Zstd_RELEASE_LIBRARY})
ENDIF(Zstd_DEBUG_LIBRARY AND Zstd_RELEASE_LIBRARY)
IF(Zstd_LIBRARIES)
SET(Zstd_FOUND TRUE)
ENDIF(Zstd_LIBRARIES)
ENDIF(Zstd_INCLUDE_DIRS)
IF(Zstd_FOUND)
# IF(NOT Zstd_FIND_QUIETLY)
MESSAGE(STATUS "Found Zstd: headers at ${Zstd_INCLUDE_DIRS}, libraries at ${Zstd_LIBRARY_DIRS}")
MESSAGE(STATUS " library is ${Zstd_LIBRARIES}")
# ENDIF(NOT Zstd_FIND_QUIETLY)
ELSE(Zstd_FOUND)
IF(Zstd_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Zstd library not found")
ENDIF(Zstd_FIND_REQUIRED)
ENDIF(Zstd_FOUND)
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