blisp/cmake/FindLibserialport.cmake
Terence Noone da463d79fd Use new find module for libserialport
This new find module will replace the old logic used to locate a native
copy of libserialport. THe old code didn't work on macOS, and was pretty
messy.
2024-12-11 20:54:11 -05:00

80 lines
2.2 KiB
CMake

# SPDX-License-Identifier: MIT
#[=======================================================================[.rst:
FindLibserialport
-------
Finds the sigrok serial port library (``libserialport``)
Imported Targets
^^^^^^^^^^^^^^^^
This module defines the following imported targets, if found:
``Libserialport::Libserialport``
The serialport library
Result Variables
^^^^^^^^^^^^^^^^
This module will define the following variables:
``Libserialport_FOUND``
True if the system has the serialport library.
``Libserialport_VERSION``
The version of the serialport library which was found.
``Libserialport_INCLUDE_DIRS``
Include directories needed to use ``libserialport``.
``Libserialport_LIBRARIES``
Libraries needed to link to ``libserialport``.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``Libserialport_INCLUDE_DIR``
The directory containing ``libserialport.h``.
``Libserialport_LIBRARY``
The path to the ``libserialport`` library.
#]=======================================================================]
find_package(PkgConfig)
pkg_check_modules(PC_Libserialport QUIET libserialport)
find_path(Libserialport_INCLUDE_DIR
NAMES libserialport.h
PATHS "${PC_Libserialport_INCLUDE_DIRS}"
)
find_library(Libserialport_LIBRARY
NAMES serialport
HINTS "${PC_Libserialport_LIBRARY_DIRS}"
)
set(Foo_VERSION ${PC_Foo_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libserialport
FOUND_VAR Libserialport_FOUND
REQUIRED_VARS
Libserialport_LIBRARY
Libserialport_INCLUDE_DIR
VERSION_VAR Libserialport_VERSION
)
if(Libserialport_FOUND)
set(Libserialport_LIBRARIES ${Libserialport_LIBRARY})
set(Libserialport_INCLUDE_DIRS ${Libserialport_INCLUDE_DIR})
set(Libserialport_DEFINITIONS ${PC_Liberialport_CFLAGS_OTHER})
endif()
if(Libserialport_FOUND AND NOT TARGET Libserialport::Libserialport)
add_library(Libserialport::Libserialport UNKNOWN IMPORTED)
set_target_properties(Libserialport::Libserialport PROPERTIES
IMPORTED_LOCATION "${Libserialport_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_Libserialport_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${Libserialport_INCLUDE_DIR}"
)
endif()