Check for the zstd version

This commit is contained in:
Markus Wick 2020-05-09 11:11:18 +02:00
parent 7e376af8fc
commit c5c60e04dd

View File

@ -11,12 +11,26 @@ find_library(zstd_LIBRARY
PATHS ${PC_zstd_LIBRARY_DIRS}
)
if(zstd_INCLUDE_DIR)
file(STRINGS "${zstd_INCLUDE_DIR}/zstd.h" _zstd_version_lines
REGEX "#define[ \t]+ZSTD_VERSION_(MAJOR|MINOR|RELEASE)")
string(REGEX REPLACE ".*ZSTD_VERSION_MAJOR *\([0-9]*\).*" "\\1" _zstd_version_major "${_zstd_version_lines}")
string(REGEX REPLACE ".*ZSTD_VERSION_MINOR *\([0-9]*\).*" "\\1" _zstd_version_minor "${_zstd_version_lines}")
string(REGEX REPLACE ".*ZSTD_VERSION_RELEASE *\([0-9]*\).*" "\\1" _zstd_version_release "${_zstd_version_lines}")
set(zstd_VERSION "${_zstd_version_major}.${_zstd_version_minor}.${_zstd_version_release}")
unset(_zstd_version_major)
unset(_zstd_version_minor)
unset(_zstd_version_release)
unset(_zstd_version_lines)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(zstd
FOUND_VAR zstd_FOUND
REQUIRED_VARS
zstd_LIBRARY
zstd_INCLUDE_DIR
zstd_VERSION
VERSION_VAR zstd_VERSION
)