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Diffstat (limited to 'cmake/Modules/GrMiscUtils.cmake')
-rw-r--r-- | cmake/Modules/GrMiscUtils.cmake | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/cmake/Modules/GrMiscUtils.cmake b/cmake/Modules/GrMiscUtils.cmake new file mode 100644 index 000000000..a7e20124f --- /dev/null +++ b/cmake/Modules/GrMiscUtils.cmake @@ -0,0 +1,100 @@ +# 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) + +######################################################################## +# Create an always-built target with a unique name +# Usage: GR_UNIQUE_TARGET(<description> <dependencies list>) +######################################################################## +FUNCTION(GR_UNIQUE_TARGET desc) + INCLUDE(GrPython) + FILE(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}) + EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib +unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5] +print re.sub('\\W', '_', '${desc} ${reldir} ' + unique)" + OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE) + ADD_CUSTOM_TARGET(${_target} ALL DEPENDS ${ARGN}) +ENDFUNCTION(GR_UNIQUE_TARGET) |