qt5base-lts/cmake/FindLibb2.cmake
Craig Scott b59f77aab4 FindLibb2: Don't rely solely on pkg-config
Task-number: QTBUG-86283
Change-Id: Ie455d7cfc6e6f9ae8297f8bc0daf2816ccce91b6
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2021-01-18 15:42:52 +11:00

38 lines
1.1 KiB
CMake

# Blake2 contains a reference implementation, libb2 is a more efficient
# implementation of a subset of Blake2 functions and should be preferred.
# This Find module only searches for libb2 for that reason.
if(TARGET Libb2::Libb2)
set(Libb2_FOUND TRUE)
return()
endif()
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
pkg_check_modules(Libb2 libb2 IMPORTED_TARGET)
if (TARGET PkgConfig::Libb2)
add_library(Libb2::Libb2 INTERFACE IMPORTED)
target_link_libraries(Libb2::Libb2 INTERFACE PkgConfig::Libb2)
set(Libb2_FOUND TRUE)
endif()
else()
find_path(LIBB2_INCLUDE_DIR NAMES blake2.h)
find_library(LIBB2_LIBRARY NAMES b2)
if(LIBB2_LIBRARY AND LIBB2_INCLUDE_DIR)
add_library(Libb2::Libb2 UNKNOWN IMPORTED)
set_target_properties(Libb2::Libb2 PROPERTIES
IMPORTED_LOCATION ${LIBB2_LIBRARY}
INTERFACE_INCLUDE_DIRECTORIES ${LIBB2_INCLUDE_DIR}
)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libb2 REQUIRED_VARS
LIBB2_LIBRARY
LIBB2_INCLUDE_DIR
)
endif()