[cmake-developers] FeatureSummary and Fortran

[Alin Marin Elena]

Hi,

I was playing to day with FeatureSummary and Fortran and I discovered the two 
do not like each other too much . While MPI is obviously found in here... 
Feature summary claims it did not

-- The Fortran compiler identification is GNU 5.3.1
-- Check for working Fortran compiler: /usr/bin/gfortran
-- Check for working Fortran compiler: /usr/bin/gfortran  -- works
-- Detecting Fortran compiler ABI info
-- Detecting Fortran compiler ABI info - done
-- Checking whether /usr/bin/gfortran supports Fortran 90
-- Checking whether /usr/bin/gfortran supports Fortran 90 -- yes
-- Found MPI_Fortran: /opt/openmpi/gcc/1.10.1/lib64/libmpi_usempif08.so;/opt/
openmpi/gcc/1.10.1/lib64/libmpi_usempi_ignore_tkr.so;/opt/openmpi/gcc/1.10.1/
lib64/libmpi_mpifh.so;/opt/openmpi/gcc/1.10.1/lib64/libmpi.so  
-- 
-- The following REQUIRED packages have not been found:

 * MPI

CMake Error at /usr/share/cmake/Modules/FeatureSummary.cmake:556 (message):
  feature_summary() Error: REQUIRED package(s) are missing, aborting CMake
  run.
Call Stack (most recent call first):
  CMakeLists.txt:6 (feature_summary)


-- Configuring incomplete, errors occurred!
See also "/home/alin/playground/cmake/summary/build/CMakeFiles/
CMakeOutput.log".

if I replace Fortran as language with C all is fine as expected. (The same 
happens if I add C to the project)

A simple simple way to reproduce  is the following CMakeLists.txt 

project(testM Fortran)

cmake_minimum_required(VERSION 2.8)
include(FeatureSummary)
find_package(MPI REQUIRED)
feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)


I see this on linux cmake  3.4.3
I wonder if this is a bug or a feature?


Regards,
Alin


-- 
Without Questions there are no Answers!
______________________________________________________________________
Dr. Alin Marin ELENA
http://alin.elena.space/
______________________________________________________________________
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