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| author | Axel Huebl <axel.huebl@plasma.ninja> | 2021-02-10 19:06:45 -0800 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2021-02-11 09:05:19 -0500 |
| commit | 8251b62ba0165526eaca9e949ee28860af82521f (patch) | |
| tree | 7077ed6185f29e7486afe20883771ebed227aeff /Modules/FindMPI.cmake | |
| parent | b1e544dd64061439e980d9ed513fefa32dbb42ba (diff) | |
| download | cmake-8251b62ba0165526eaca9e949ee28860af82521f.tar.gz | |
FindMPI: Fix reason for a non-enabled non-requested language
In pure C/CXX projects, when doing an optional search for C/CXX
MPI APIs, I keep getting a reason appended of the form:
```
-- Could NOT find MPI_C (missing: MPI_C_LIB_NAMES MPI_C_HEADER_DIR MPI_C_WORKS)
-- Could NOT find MPI_CXX (missing: MPI_CXX_LIB_NAMES MPI_CXX_HEADER_DIR MPI_CXX_WORKS)
-- Could NOT find MPI (missing: MPI_C_FOUND MPI_CXX_FOUND)
Reason given by package: MPI component 'Fortran' was requested, but language Fortran is not enabled.
```
The reason makes no sense since I did not request Fortran and thus
confuses the reader. It is now only added if the component was truly
requested.
Diffstat (limited to 'Modules/FindMPI.cmake')
| -rw-r--r-- | Modules/FindMPI.cmake | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/FindMPI.cmake b/Modules/FindMPI.cmake index 8cc39ac363..195ca49678 100644 --- a/Modules/FindMPI.cmake +++ b/Modules/FindMPI.cmake @@ -1428,7 +1428,9 @@ foreach(LANG IN ITEMS C CXX Fortran) endif() else() set(_MPI_FIND_${LANG} FALSE) - string(APPEND _MPI_FAIL_REASON "MPI component '${LANG}' was requested, but language ${LANG} is not enabled. ") + if(${LANG} IN_LIST MPI_FIND_COMPONENTS) + string(APPEND _MPI_FAIL_REASON "MPI component '${LANG}' was requested, but language ${LANG} is not enabled. ") + endif() endif() if(_MPI_FIND_${LANG}) if( ${LANG} STREQUAL CXX AND NOT MPICXX IN_LIST MPI_FIND_COMPONENTS ) |