cmake_modules/FindZstd.cmake

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# - Find ZSTD (zstd.h, libzstd.a, libzstd.so, and libzstd.so.1)
# ZSTD_ROOT hints the location
#
# This module defines
# ZSTD_INCLUDE_DIR, directory containing headers
# ZSTD_LIBS, directory containing zstd libraries
# ZSTD_STATIC_LIB, path to libzstd.a

set(ZSTD_SEARCH_HEADER_PATHS ${ZSTD_ROOT}/include)

set(ZSTD_SEARCH_LIB_PATH ${ZSTD_ROOT}/lib)

find_path(ZSTD_INCLUDE_DIR
  NAMES zstd.h
  PATHS ${ZSTD_SEARCH_HEADER_PATHS}
        NO_DEFAULT_PATH
  DOC   "Path to ZSTD headers"
)

find_library(ZSTD_LIBS NAMES zstd
  PATHS ${ZSTD_SEARCH_LIB_PATH}
        NO_DEFAULT_PATH
  DOC   "Path to ZSTD library"
)

find_library(ZSTD_STATIC_LIB NAMES libzstd.a
  PATHS ${ZSTD_SEARCH_LIB_PATH}
        NO_DEFAULT_PATH
  DOC   "Path to ZSTD static library"
)

if (NOT ZSTD_LIBS OR NOT ZSTD_STATIC_LIB)
  message(FATAL_ERROR "Zstd includes and libraries NOT found. "
    "Looked for headers in ${ZSTD_SEARCH_HEADER_PATHS}, "
    "and for libs in ${ZSTD_SEARCH_LIB_PATH}")
  set(ZSTD_FOUND FALSE)
else()
  set(ZSTD_FOUND TRUE)
endif ()

mark_as_advanced(
  ZSTD_INCLUDE_DIR
  ZSTD_LIBS
  ZSTD_STATIC_LIB
)