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Fix parsing of version for nvhpc

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As the first line of the version is empty it crashes,
so delete first line if it is empty


(cherry picked from commit 001a57519a7aa909d3bf0cd8c6ec8a9cd19d9c70)
This commit is contained in:
Nicolas Cornu 2021-06-08 15:48:21 +02:00 committed by Rasmus Munk Larsen
parent cbb6ae6296
commit 85868564df
1 changed files with 1 additions and 0 deletions
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cmake/EigenTesting.cmake
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@ -478,6 +478,7 @@ macro(ei_get_compilerver VAR)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${EIGEN_CXX_FLAG_VERSION}
OUTPUT_VARIABLE eigen_cxx_compiler_version_string OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "^[ \n\r]+" "" eigen_cxx_compiler_version_string ${eigen_cxx_compiler_version_string})
string(REGEX REPLACE "[\n\r].*" "" eigen_cxx_compiler_version_string ${eigen_cxx_compiler_version_string})
ei_get_compilerver_from_cxx_version_string("${eigen_cxx_compiler_version_string}" CNAME CVER)