diff options
Diffstat (limited to 'eigen/bench/btl/cmake/MacroOptionalAddSubdirectory.cmake')
| -rw-r--r-- | eigen/bench/btl/cmake/MacroOptionalAddSubdirectory.cmake | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/eigen/bench/btl/cmake/MacroOptionalAddSubdirectory.cmake b/eigen/bench/btl/cmake/MacroOptionalAddSubdirectory.cmake new file mode 100644 index 0000000..545048b --- /dev/null +++ b/eigen/bench/btl/cmake/MacroOptionalAddSubdirectory.cmake @@ -0,0 +1,31 @@ +# - MACRO_OPTIONAL_ADD_SUBDIRECTORY() combines ADD_SUBDIRECTORY() with an OPTION() +# MACRO_OPTIONAL_ADD_SUBDIRECTORY( <dir> ) +# If you use MACRO_OPTIONAL_ADD_SUBDIRECTORY() instead of ADD_SUBDIRECTORY(), +# this will have two effects +# 1 - CMake will not complain if the directory doesn't exist +# This makes sense if you want to distribute just one of the subdirs +# in a source package, e.g. just one of the subdirs in kdeextragear. +# 2 - If the directory exists, it will offer an option to skip the +# subdirectory. +# This is useful if you want to compile only a subset of all +# directories. + +# Copyright (c) 2007, Alexander Neundorf, <neundorf@kde.org> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + + +MACRO (MACRO_OPTIONAL_ADD_SUBDIRECTORY _dir ) + GET_FILENAME_COMPONENT(_fullPath ${_dir} ABSOLUTE) + IF(EXISTS ${_fullPath}) + IF(${ARGC} EQUAL 2) + OPTION(BUILD_${_dir} "Build directory ${_dir}" ${ARGV1}) + ELSE(${ARGC} EQUAL 2) + OPTION(BUILD_${_dir} "Build directory ${_dir}" TRUE) + ENDIF(${ARGC} EQUAL 2) + IF(BUILD_${_dir}) + ADD_SUBDIRECTORY(${_dir}) + ENDIF(BUILD_${_dir}) + ENDIF(EXISTS ${_fullPath}) +ENDMACRO (MACRO_OPTIONAL_ADD_SUBDIRECTORY) |