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cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
# 3.0 introduces line continuation.
project("relabsd")
include(FindPkgConfig)
# ${SRC_FILES} is recursively defined in the subdirectories.
# Each subdirectory adds only the source files that are present at its level.
add_subdirectory(src)
add_executable(relabsd ${SRC_FILES})
# Language parameters.
enable_language(C)
target_compile_features(relabsd PUBLIC c_variadic_macros)
# We require libevdev.
pkg_search_module(LIBEVDEV REQUIRED libevdev)
include_directories(${LIBEVDEV_INCLUDE_DIRS})
target_link_libraries(relabsd ${LIBEVDEV_LIBRARIES})
# Be loud about dubious code.
if (CMAKE_COMPILER_IS_GNUCC)
message(STATUS "CMake is using GNUCC. Verbose flags are activated.")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -pedantic -Wextra")
endif (CMAKE_COMPILER_IS_GNUCC)
# Highest debug level is defined here to be able to access it in CMake.
set(RELABSD_HIGHEST_DEBUG_LEVEL 100)
target_compile_definitions(
relabsd
PUBLIC
"-DRELABSD_HIGHEST_DEBUG_LVL=${RELABSD_HIGHEST_DEBUG_LEVEL}"
)
message(
STATUS
"[CONST] Highest debug level set to ${RELABSD_HIGHEST_DEBUG_LEVEL}."
)
set(
RELABSD_DEBUG_LEVEL
"0"
CACHE
INTEGER
"Debug verbosity level[0-${RELABSD_HIGHEST_DEBUG_LEVEL}]."
)
target_compile_definitions(
relabsd
PUBLIC
"-DRELABSD_DEBUG_LVL=${RELABSD_DEBUG_LEVEL}"
)
message(STATUS "[OPTION] Debug level set to ${RELABSD_DEBUG_LEVEL}.")
option(
RELABSD_ENABLE_ERROR_LOCATION
"Debug/error messages contain source file and line information."
OFF
)
if (RELABSD_ENABLE_ERROR_LOCATION)
target_compile_definitions(relabsd PUBLIC RELABSD_ENABLE_ERROR_LOCATION)
message(STATUS "[OPTION] Debug/error messages display source file and line.")
else ()
message(
STATUS
"[OPTION] Debug/error messages do not display source file and line."
)
endif (RELABSD_ENABLE_ERROR_LOCATION)
set(
RELABSD_OPTION_MAX_SIZE
"64"
CACHE
INTEGER
"Maximum number of characters in an axis option (name + params)."
)
target_compile_definitions(
relabsd
PUBLIC
"-DRELABSD_OPTION_MAX_SIZE=${RELABSD_OPTION_MAX_SIZE}"
)
message(
STATUS
"[OPTION] Axis options can contain up to ${RELABSD_OPTION_MAX_SIZE}\
characters (name + params)."
)
set(
RELABSD_DEVICE_PREFIX
"relabsd:"
CACHE
STRING
"String prefixing the name of the virtual device."
)
target_compile_definitions(
relabsd
PUBLIC
"-DRELABSD_DEVICE_PREFIX=\"${RELABSD_DEVICE_PREFIX}\""
)
message(
STATUS
"[OPTION] Virtual devices' names are prefixed by '${RELABSD_DEVICE_PREFIX}'."
)
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