211 lines
8.5 KiB
CMake
211 lines
8.5 KiB
CMake
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# Copyright 2010-2011 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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if(DEFINED __INCLUDED_GR_MISC_UTILS_CMAKE)
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return()
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endif()
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set(__INCLUDED_GR_MISC_UTILS_CMAKE TRUE)
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########################################################################
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# Set global variable macro.
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# Used for subdirectories to export settings.
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# Example: include and library paths.
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########################################################################
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function(GR_SET_GLOBAL var)
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set(${var} ${ARGN} CACHE INTERNAL "" FORCE)
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endfunction(GR_SET_GLOBAL)
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########################################################################
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# Set the pre-processor definition if the condition is true.
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# - def the pre-processor definition to set and condition name
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########################################################################
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function(GR_ADD_COND_DEF def)
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if(${def})
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add_definitions(-D${def})
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endif(${def})
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endfunction(GR_ADD_COND_DEF)
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########################################################################
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# Check for a header and conditionally set a compile define.
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# - hdr the relative path to the header file
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# - def the pre-processor definition to set
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########################################################################
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function(GR_CHECK_HDR_N_DEF hdr def)
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include(CheckIncludeFileCXX)
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CHECK_INCLUDE_FILE_CXX(${hdr} ${def})
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GR_ADD_COND_DEF(${def})
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endfunction(GR_CHECK_HDR_N_DEF)
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########################################################################
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# Include subdirectory macro.
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# Sets the CMake directory variables,
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# includes the subdirectory CMakeLists.txt,
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# resets the CMake directory variables.
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#
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# This macro includes subdirectories rather than adding them
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# so that the subdirectory can affect variables in the level above.
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# This provides a work-around for the lack of convenience libraries.
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# This way a subdirectory can append to the list of library sources.
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########################################################################
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macro(GR_INCLUDE_SUBDIRECTORY subdir)
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#insert the current directories on the front of the list
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list(INSERT _cmake_source_dirs 0 ${CMAKE_CURRENT_SOURCE_DIR})
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list(INSERT _cmake_binary_dirs 0 ${CMAKE_CURRENT_BINARY_DIR})
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#set the current directories to the names of the subdirs
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set(CMAKE_CURRENT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${subdir})
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set(CMAKE_CURRENT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${subdir})
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#include the subdirectory CMakeLists to run it
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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include(${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt)
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#reset the value of the current directories
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list(GET _cmake_source_dirs 0 CMAKE_CURRENT_SOURCE_DIR)
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list(GET _cmake_binary_dirs 0 CMAKE_CURRENT_BINARY_DIR)
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#pop the subdir names of the front of the list
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list(REMOVE_AT _cmake_source_dirs 0)
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list(REMOVE_AT _cmake_binary_dirs 0)
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endmacro(GR_INCLUDE_SUBDIRECTORY)
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########################################################################
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# Check if a compiler flag works and conditionally set a compile define.
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# - flag the compiler flag to check for
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# - have the variable to set with result
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########################################################################
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macro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE flag have)
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include(CheckCXXCompilerFlag)
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CHECK_CXX_COMPILER_FLAG(${flag} ${have})
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if(${have})
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add_definitions(${flag})
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endif(${have})
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endmacro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)
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########################################################################
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# Generates the .la libtool file
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# This appears to generate libtool files that cannot be used by auto*.
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# Usage GR_LIBTOOL(TARGET [target] DESTINATION [dest])
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# Notice: there is not COMPONENT option, these will not get distributed.
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########################################################################
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function(GR_LIBTOOL)
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if(NOT DEFINED GENERATE_LIBTOOL)
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set(GENERATE_LIBTOOL OFF) #disabled by default
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endif()
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if(GENERATE_LIBTOOL)
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include(CMakeParseArgumentsCopy)
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CMAKE_PARSE_ARGUMENTS(GR_LIBTOOL "" "TARGET;DESTINATION" "" ${ARGN})
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find_program(LIBTOOL libtool)
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if(LIBTOOL)
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include(CMakeMacroLibtoolFile)
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CREATE_LIBTOOL_FILE(${GR_LIBTOOL_TARGET} /${GR_LIBTOOL_DESTINATION})
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endif(LIBTOOL)
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endif(GENERATE_LIBTOOL)
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endfunction(GR_LIBTOOL)
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########################################################################
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# Do standard things to the library target
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# - set target properties
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# - make install rules
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# Also handle gnuradio custom naming conventions w/ extras mode.
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########################################################################
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function(GR_LIBRARY_FOO target)
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#parse the arguments for component names
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include(CMakeParseArgumentsCopy)
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CMAKE_PARSE_ARGUMENTS(GR_LIBRARY "" "RUNTIME_COMPONENT;DEVEL_COMPONENT" "" ${ARGN})
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#set additional target properties
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set_target_properties(${target} PROPERTIES SOVERSION ${LIBVER})
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#install the generated files like so...
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install(TARGETS ${target}
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LIBRARY DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT} # .so/.dylib file
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ARCHIVE DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_DEVEL_COMPONENT} # .lib file
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RUNTIME DESTINATION ${GR_RUNTIME_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT} # .dll file
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)
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#extras mode enabled automatically on linux
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if(NOT DEFINED LIBRARY_EXTRAS)
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set(LIBRARY_EXTRAS ${LINUX})
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endif()
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#special extras mode to enable alternative naming conventions
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if(LIBRARY_EXTRAS)
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#create .la file before changing props
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GR_LIBTOOL(TARGET ${target} DESTINATION ${GR_LIBRARY_DIR})
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#give the library a special name with ultra-zero soversion
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set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_NAME ${target}-${LIBVER} SOVERSION "0.0.0")
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set(target_name lib${target}-${LIBVER}.so.0.0.0)
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#custom command to generate symlinks
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add_custom_command(
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TARGET ${target}
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E create_symlink ${target_name} ${CMAKE_CURRENT_BINARY_DIR}/lib${target}.so
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COMMAND ${CMAKE_COMMAND} -E create_symlink ${target_name} ${CMAKE_CURRENT_BINARY_DIR}/lib${target}-${LIBVER}.so.0
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COMMAND ${CMAKE_COMMAND} -E touch ${target_name} #so the symlinks point to something valid so cmake 2.6 will install
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)
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#and install the extra symlinks
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install(
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FILES
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${CMAKE_CURRENT_BINARY_DIR}/lib${target}.so
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${CMAKE_CURRENT_BINARY_DIR}/lib${target}-${LIBVER}.so.0
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DESTINATION ${GR_LIBRARY_DIR} COMPONENT ${GR_LIBRARY_RUNTIME_COMPONENT}
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)
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endif(LIBRARY_EXTRAS)
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endfunction(GR_LIBRARY_FOO)
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########################################################################
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# Create a dummy custom command that depends on other targets.
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# Usage:
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# GR_GEN_TARGET_DEPS(unique_name target_deps <target1> <target2> ...)
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# ADD_CUSTOM_COMMAND(<the usual args> ${target_deps})
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#
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# Custom command cant depend on targets, but can depend on executables,
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# and executables can depend on targets. So this is the process:
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########################################################################
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function(GR_GEN_TARGET_DEPS name var)
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file(
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WRITE ${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp.in
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"int main(void){return 0;}\n"
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)
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp.in
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${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp
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)
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add_executable(${name} ${CMAKE_CURRENT_BINARY_DIR}/${name}.cpp)
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if(ARGN)
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add_dependencies(${name} ${ARGN})
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endif(ARGN)
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if(CMAKE_CROSSCOMPILING)
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set(${var} "DEPENDS;${name}" PARENT_SCOPE) #cant call command when cross
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else()
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set(${var} "DEPENDS;${name};COMMAND;${name}" PARENT_SCOPE)
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endif()
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endfunction(GR_GEN_TARGET_DEPS)
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