Open Source implementation of APCO P25
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op25/cmake/Modules/GrMiscUtils.cmake

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# Copyright 2010-2011 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
if(DEFINED __INCLUDED_GR_MISC_UTILS_CMAKE)
return()
endif()
set(__INCLUDED_GR_MISC_UTILS_CMAKE TRUE)
########################################################################
# Set global variable macro.
# Used for subdirectories to export settings.
# Example: include and library paths.
########################################################################
function(GR_SET_GLOBAL var)
set(${var} ${ARGN} CACHE INTERNAL "" FORCE)
endfunction(GR_SET_GLOBAL)
########################################################################
# Set the pre-processor definition if the condition is true.
# - def the pre-processor definition to set and condition name
########################################################################
function(GR_ADD_COND_DEF def)
if(${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)
########################################################################
# Include subdirectory macro.
# Sets the CMake directory variables,
# includes the subdirectory CMakeLists.txt,
# resets the CMake directory variables.
#
# This macro includes subdirectories rather than adding them
# so that the subdirectory can affect variables in the level above.
# This provides a work-around for the lack of convenience libraries.
# This way a subdirectory can append to the list of library sources.
########################################################################
macro(GR_INCLUDE_SUBDIRECTORY subdir)
#insert the current directories on the front of the list
list(INSERT _cmake_source_dirs 0 ${CMAKE_CURRENT_SOURCE_DIR})
list(INSERT _cmake_binary_dirs 0 ${CMAKE_CURRENT_BINARY_DIR})
#set the current directories to the names of the subdirs
set(CMAKE_CURRENT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${subdir})
set(CMAKE_CURRENT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${subdir})
#include the subdirectory CMakeLists to run it
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
include(${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt)
#reset the value of the current directories
list(GET _cmake_source_dirs 0 CMAKE_CURRENT_SOURCE_DIR)
list(GET _cmake_binary_dirs 0 CMAKE_CURRENT_BINARY_DIR)
#pop the subdir names of the front of the list
list(REMOVE_AT _cmake_source_dirs 0)
list(REMOVE_AT _cmake_binary_dirs 0)
endmacro(GR_INCLUDE_SUBDIRECTORY)
########################################################################
# 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})
add_definitions(${flag})
endif(${have})
endmacro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)
########################################################################
# Generates the .la libtool file
# This appears to generate libtool files that cannot be used by auto*.
# Usage GR_LIBTOOL(TARGET [target] DESTINATION [dest])
# Notice: there is not COMPONENT option, these will not get distributed.
########################################################################
function(GR_LIBTOOL)
if(NOT DEFINED GENERATE_LIBTOOL)
set(GENERATE_LIBTOOL OFF) #disabled by default
endif()
if(GENERATE_LIBTOOL)
include(CMakeParseArgumentsCopy)
CMAKE_PARSE_ARGUMENTS(GR_LIBTOOL "" "TARGET;DESTINATION" "" ${ARGN})
find_program(LIBTOOL libtool)
if(LIBTOOL)
include(CMakeMacroLibtoolFile)
CREATE_LIBTOOL_FILE(${GR_LIBTOOL_TARGET} /${GR_LIBTOOL_DESTINATION})
endif(LIBTOOL)
endif(GENERATE_LIBTOOL)
endfunction(GR_LIBTOOL)
########################################################################
# 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)
#parse the arguments for component names
include(CMakeParseArgumentsCopy)
CMAKE_PARSE_ARGUMENTS(GR_LIBRARY "" "RUNTIME_COMPONENT;DEVEL_COMPONENT" "" ${ARGN})
#set additional target properties
set_target_properties(${target} PROPERTIES SOVERSION ${LIBVER})
#install the generated files like so...
install(TARGETS ${target}
LIBRARY DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT} # .so/.dylib file
ARCHIVE DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_DEVEL_COMPONENT} # .lib file
RUNTIME DESTINATION ${GR_RUNTIME_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT} # .dll file
)
#extras mode enabled automatically on linux
if(NOT DEFINED LIBRARY_EXTRAS)
set(LIBRARY_EXTRAS ${LINUX})
endif()
#special extras mode to enable alternative naming conventions
if(LIBRARY_EXTRAS)
#create .la file before changing props
GR_LIBTOOL(TARGET ${target} DESTINATION ${GR_LIBRARY_DIR})
#give the library a special name with ultra-zero soversion
set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_NAME ${target}-${LIBVER} SOVERSION "0.0.0")
set(target_name lib${target}-${LIBVER}.so.0.0.0)
#custom command to generate symlinks
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E create_symlink ${target_name} ${CMAKE_CURRENT_BINARY_DIR}/lib${target}.so
COMMAND ${CMAKE_COMMAND} -E create_symlink ${target_name} ${CMAKE_CURRENT_BINARY_DIR}/lib${target}-${LIBVER}.so.0
COMMAND ${CMAKE_COMMAND} -E touch ${target_name} #so the symlinks point to something valid so cmake 2.6 will install
)
#and install the extra symlinks
install(
FILES
${CMAKE_CURRENT_BINARY_DIR}/lib${target}.so
${CMAKE_CURRENT_BINARY_DIR}/lib${target}-${LIBVER}.so.0
DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT}
)
endif(LIBRARY_EXTRAS)
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 cant 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;${name}" PARENT_SCOPE) #cant call command when cross
else()
set(${var} "DEPENDS;${name};COMMAND;${name}" PARENT_SCOPE)
endif()
endfunction(GR_GEN_TARGET_DEPS)