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FindMatlab: Avoid indexing an empty list of versions

This commit is contained in:
Brad King 2016-09-06 08:39:25 -04:00
parent 7727915395
commit 29768b03ea
1 changed files with 6 additions and 2 deletions
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8
Modules/FindMatlab.cmake
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@ -1030,13 +1030,17 @@ function(_Matlab_get_version_from_root matlab_root matlab_known_version matlab_f
set(matlab_list_of_all_versions)
matlab_get_version_from_matlab_run("${Matlab_PROG_VERSION_STRING_AUTO_DETECT}" matlab_list_of_all_versions)
list(GET matlab_list_of_all_versions 0 _matlab_version_tmp)
list(LENGTH matlab_list_of_all_versions list_of_all_versions_length)
if(${list_of_all_versions_length} GREATER 0)
list(GET matlab_list_of_all_versions 0 _matlab_version_tmp)
else()
set(_matlab_version_tmp "")
endif()
# set the version into the cache
set(Matlab_VERSION_STRING_INTERNAL ${_matlab_version_tmp} CACHE INTERNAL "Matlab version (automatically determined)" FORCE)
# warning, just in case several versions found (should not happen)
list(LENGTH matlab_list_of_all_versions list_of_all_versions_length)
if((${list_of_all_versions_length} GREATER 1) AND MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Found several versions, taking the first one (versions found ${matlab_list_of_all_versions})")
endif()