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Added sibling search mechanism using ${PROJECT_BINARY_DIR} for opm-common

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If sibling search is activated and opm-common_DIR is not set, then
we try to determine the build directory layout from ${PROJECT_BINARY_DIR}.
The following two possibilities are supported:
 + <modules-build-dir>/<project-name>
 + <project-name>/<build-dir>
where <project-name> is the case sensitive module name (in this case
opm-common).

This results in the following search precedence:
1. User set opm-common_DIR
2. sibling directories search (if the directories exist)
3. Default (system) CMake search path
This commit is contained in:
Markus Blatt 2017-09-15 11:21:59 +02:00
parent da86d1c0bd
commit 149d531c68
1 changed files with 18 additions and 0 deletions
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18
CMakeLists.txt
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@ -24,6 +24,24 @@ option(SIBLING_SEARCH "Search for other modules in sibling directories?" ON)
set( USE_OPENMP_DEFAULT OFF ) # Use of OpenMP is considered experimental
if(NOT OPM_COMMON_ROOT)
if(SIBLING_SEARCH AND NOT opm-common_DIR)
# guess the sibling dir
get_filename_component(_leaf_dir_name ${PROJECT_BINARY_DIR} NAME)
get_filename_component(_parent_full_dir ${PROJECT_BINARY_DIR} DIRECTORY)
get_filename_component(_parent_dir_name ${_parent_full_dir} NAME)
if(_parent_dir_name STREQUAL CMAKE_PROJECT_NAME)
#looks like <module-name>/<build-dir> is used
get_filename_component(_modules_dir ${_parent_full_dir} DIRECTORY)
if(IS_DIRECTORY ${_modules_dir}/opm-common/${_leaf_dir_name})
set(opm-common_DIR ${_modules_dir}/opm-common/${_leaf_dir_name})
endif()
elseif(_leaf_dir_name STREQUAL CMAKE_PROJECT_NAME)
# we assume <build-dir>/<module-name>
if(IS_DIRECTORY ${_parent_full_dir}/opm-common)
set(opm-common_DIR "${_parent_full_dir}/opm-common}")
endif()
endif()
endif()
find_package(opm-common QUIET)
endif()