From beac9a1c47a6b44b0936cde1cee6b64ec9f412a3 Mon Sep 17 00:00:00 2001 From: Allen Winter Date: Sat, 9 Jul 2011 09:11:43 -0400 Subject: Rename MacroOptionalAddSubdirectory.cmake to ECMOptionalAddDirectory.cmake This is the first in our new modules --- modules/ECMOptionalAddSubdirectory.cmake | 41 ++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 modules/ECMOptionalAddSubdirectory.cmake (limited to 'modules') diff --git a/modules/ECMOptionalAddSubdirectory.cmake b/modules/ECMOptionalAddSubdirectory.cmake new file mode 100644 index 00000000..ec0ea30a --- /dev/null +++ b/modules/ECMOptionalAddSubdirectory.cmake @@ -0,0 +1,41 @@ +# - MACRO_OPTIONAL_ADD_SUBDIRECTORY() combines ADD_SUBDIRECTORY() with an OPTION() +# MACRO_OPTIONAL_ADD_SUBDIRECTORY( ) +# 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. +# +# If the CMake variable DISABLE_ALL_OPTIONAL_SUBDIRECTORIES is set to TRUE +# for the first CMake run on the project, all optional subdirectories will be disabled +# by default (but can of course be enabled via the respective options). +# E.g. the following will disable all optional subdirectories except the one named "kcalc": +# $ cmake -DDISABLE_ALL_OPTIONAL_SUBDIRECTORIES=TRUE -DBUILD_kcalc=TRUE + +# Copyright (c) 2007, Alexander Neundorf, +# +# 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 ${_fullPath}/CMakeLists.txt) + IF(DISABLE_ALL_OPTIONAL_SUBDIRECTORIES) + SET(_DEFAULT_OPTION_VALUE FALSE) + ELSE(DISABLE_ALL_OPTIONAL_SUBDIRECTORIES) + SET(_DEFAULT_OPTION_VALUE TRUE) + ENDIF(DISABLE_ALL_OPTIONAL_SUBDIRECTORIES) + IF(DISABLE_ALL_OPTIONAL_SUBDIRS AND NOT DEFINED BUILD_${_dir}) + SET(_DEFAULT_OPTION_VALUE FALSE) + ENDIF(DISABLE_ALL_OPTIONAL_SUBDIRS AND NOT DEFINED BUILD_${_dir}) + OPTION(BUILD_${_dir} "Build directory ${_dir}" ${_DEFAULT_OPTION_VALUE}) + IF(BUILD_${_dir}) + ADD_SUBDIRECTORY(${_dir}) + ENDIF(BUILD_${_dir}) + ENDIF(EXISTS ${_fullPath}/CMakeLists.txt) +ENDMACRO (MACRO_OPTIONAL_ADD_SUBDIRECTORY) -- cgit v1.2.1