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Allow old Fortran code for LAPACK tests to compile despite argument mismatch errors (REAL passed to COMPLEX workspace argument) with GNU Fortran 10.

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(cherry picked from commit 7e096ddcb09d560a846b119691e48651e74ee677)
This commit is contained in:
Rasmus Munk Larsen 2021-08-30 12:26:39 -07:00
parent 07cc362238
commit 0fdc99c65e
1 changed files with 7 additions and 0 deletions
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7
lapack/CMakeLists.txt
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@ -5,6 +5,13 @@ include(CheckLanguage)
check_language(Fortran)
if(CMAKE_Fortran_COMPILER)
enable_language(Fortran)
if("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU")
if ("${CMAKE_Fortran_COMPILER_VERSION}" VERSION_GREATER_EQUAL 10.0)
# We use an old version of LAPACK with argument type mismatches.
# Allow them to compile anyway with newer GNU versions.
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fallow-argument-mismatch")
endif()
endif()
set(EIGEN_Fortran_COMPILER_WORKS ON)
else()
set(EIGEN_Fortran_COMPILER_WORKS OFF)