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# Copyright 2010-2011,2014,2019 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
if(DEFINED __INCLUDED_GR_MISC_UTILS_CMAKE)
return()
endif()
set(__INCLUDED_GR_MISC_UTILS_CMAKE TRUE)
########################################################################
# Set the pre-processor definition if the condition is true.
# - def the pre-processor definition to set and condition name
########################################################################
function(GR_ADD_COND_DEF def)
if(${def})
add_definitions(-D${def})
endif(${def})
endfunction(GR_ADD_COND_DEF)
########################################################################
# Check for a header and conditionally set a compile define.
# - hdr the relative path to the header file
# - def the pre-processor definition to set
########################################################################
function(GR_CHECK_HDR_N_DEF hdr def)
include(CheckIncludeFileCXX)
CHECK_INCLUDE_FILE_CXX(${hdr} ${def})
GR_ADD_COND_DEF(${def})
endfunction(GR_CHECK_HDR_N_DEF)
########################################################################
# Check if a compiler flag works and conditionally set a compile define.
# - flag the compiler flag to check for
# - have the variable to set with result
########################################################################
macro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE flag have)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(${flag} ${have})
if(${have})
STRING(FIND "${CMAKE_CXX_FLAGS}" "${flag}" flag_dup)
if(${flag_dup} EQUAL -1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
endif(${flag_dup} EQUAL -1)
endif(${have})
endmacro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)
########################################################################
# Do standard things to the library target
# - set target properties
# - make install rules
# Also handle gnuradio custom naming conventions w/ extras mode.
########################################################################
function(GR_LIBRARY_FOO target)
#set additional target properties
set_target_properties(${target} PROPERTIES SOVERSION ${LIBVER})
set_target_properties(${target} PROPERTIES VERSION ${VERSION})
#install the generated files like so...
install(TARGETS ${target}
EXPORT ${target}-export
LIBRARY DESTINATION ${GR_LIBRARY_DIR} # .so/.dylib file
ARCHIVE DESTINATION ${GR_LIBRARY_DIR} # .lib file
RUNTIME DESTINATION ${GR_RUNTIME_DIR} # .dll file
)
#install the exported target files
install(EXPORT ${target}-export
FILE ${target}Targets.cmake
NAMESPACE gnuradio::
DESTINATION ${GR_CMAKE_DIR}
)
include(CMakePackageConfigHelpers)
set(TARGET ${target})
set(TARGET_DEPENDENCIES ${ARGN})
configure_package_config_file(
${PROJECT_SOURCE_DIR}/cmake/Modules/targetConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/cmake/Modules/${target}Config.cmake
INSTALL_DESTINATION ${GR_CMAKE_DIR}
)
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/cmake/Modules/${target}Config.cmake
DESTINATION ${GR_CMAKE_DIR}
)
endfunction(GR_LIBRARY_FOO)
########################################################################
# Create a dummy custom command that depends on other targets.
# Usage:
# GR_GEN_TARGET_DEPS(unique_name target_deps <target1> <target2> ...)
# ADD_CUSTOM_COMMAND(<the usual args> ${target_deps})
#
# Custom command can't depend on targets, but can depend on executables,
# and executables can depend on targets. So this is the process:
########################################################################
function(GR_GEN_TARGET_DEPS name var)
file(
WRITE ${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp.in
"int main(void){return 0;}\n"
)
execute_process(
COMMAND ${CMAKE_COMMAND} -E copy_if_different
${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp.in
${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp
)
add_executable(${name} ${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp)
if(ARGN)
add_dependencies(${name} ${ARGN})
endif(ARGN)
if(CMAKE_CROSSCOMPILING)
set(${var} "DEPENDS;${name}" PARENT_SCOPE) #can't call command when cross
else()
set(${var} "DEPENDS;${name};COMMAND;${name}" PARENT_SCOPE)
endif()
endfunction(GR_GEN_TARGET_DEPS)
########################################################################
# Run GRCC to compile .grc files into .py files.
#
# Usage: GRCC(filename, directory)
# - filenames: List of file name of .grc file
# - directory: directory of built .py file - usually in
# ${CMAKE_CURRENT_BINARY_DIR}
# - Sets PYFILES: output converted GRC file names to Python files.
########################################################################
function(GRCC)
# Extract directory from list of args, remove it for the list of filenames.
list(GET ARGV -1 directory)
list(REMOVE_AT ARGV -1)
set(filenames ${ARGV})
file(MAKE_DIRECTORY ${directory})
SET(GRCC_COMMAND ${CMAKE_SOURCE_DIR}/gr-utils/python/grcc)
# GRCC uses some stuff in grc and gnuradio-runtime, so we force
# the known paths here
list(APPEND PYTHONPATHS
${CMAKE_SOURCE_DIR}
${CMAKE_SOURCE_DIR}/gnuradio-runtime/python
)
if(WIN32)
#SWIG generates the python library files into a subdirectory.
#Therefore, we must append this subdirectory into PYTHONPATH.
#Only do this for the python directories matching the following:
foreach(pydir ${PYTHONPATHS})
get_filename_component(name ${pydir} NAME)
if(name MATCHES "^(lib|src)$")
list(APPEND PYTHONPATHS ${pydir}/${CMAKE_BUILD_TYPE})
endif()
endforeach(pydir)
endif(WIN32)
file(TO_NATIVE_PATH "${PYTHONPATHS}" pypath)
if(UNIX)
list(APPEND pypath "$PYTHONPATH")
string(REPLACE ";" ":" pypath "${pypath}")
set(ENV{PYTHONPATH} ${pypath})
endif(UNIX)
if(WIN32)
list(APPEND pypath "%PYTHONPATH%")
string(REPLACE ";" "\\;" pypath "${pypath}")
#list(APPEND environs "PYTHONPATH=${pypath}")
set(ENV{PYTHONPATH} ${pypath})
endif(WIN32)
foreach(f ${filenames})
execute_process(
COMMAND ${GRCC_COMMAND} -d ${directory} ${f}
)
string(REPLACE ".grc" ".py" pyfile "${f}")
string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}" pyfile "${pyfile}")
list(APPEND pyfiles ${pyfile})
endforeach(f)
set(PYFILES ${pyfiles} PARENT_SCOPE)
endfunction(GRCC)
########################################################################
# Check if HAVE_PTHREAD_SETSCHEDPARAM and HAVE_SCHED_SETSCHEDULER
# should be defined
########################################################################
macro(GR_CHECK_LINUX_SCHED_AVAIL)
set(CMAKE_REQUIRED_LIBRARIES -lpthread)
CHECK_CXX_SOURCE_COMPILES("
#include <pthread.h>
int main(){
pthread_t pthread;
pthread_setschedparam(pthread, 0, 0);
return 0;
} " HAVE_PTHREAD_SETSCHEDPARAM
)
GR_ADD_COND_DEF(HAVE_PTHREAD_SETSCHEDPARAM)
CHECK_CXX_SOURCE_COMPILES("
#include <sched.h>
int main(){
pid_t pid;
sched_setscheduler(pid, 0, 0);
return 0;
} " HAVE_SCHED_SETSCHEDULER
)
GR_ADD_COND_DEF(HAVE_SCHED_SETSCHEDULER)
endmacro(GR_CHECK_LINUX_SCHED_AVAIL)
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