On 11/19/24 05:17, Vinayak Vijay wrote:
-- Check for working CXX compiler:
/home/omnipresent/Documents/github_repos/spack/lib/spack/env/gcc/g++ - broken
CMake Error at
/home/omnipresent/Documents/github_repos/spack/opt/spack/linux-ubuntu24.04-icelake/gcc-13.2.0/cmake-3.30.5-74qenkgyifomlcmwslmffwjq3vbfs5km/share/cmake-3.30/Modules/CMakeTestCXXCompiler.cmake:73 (message):
The C++ compiler
"/home/omnipresent/Documents/github_repos/spack/lib/spack/env/gcc/g++"
is not able to compile a simple test program.
It fails with the following output:
Change Dir:
'/home/omnipresent/Documents/github_repos/dealii/examples/step-2/build/CMakeFiles/CMakeScratch/TryCompile-aLSS2O'
Run Build Command(s):
/home/omnipresent/Documents/github_repos/spack/opt/spack/linux-ubuntu24.04-icelake/gcc-13.2.0/cmake-3.30.5-74qenkgyifomlcmwslmffwjq3vbfs5km/bin/cmake -E env VERBOSE=1 /home/omnipresent/Documents/github_repos/spack/var/spack/environments/dealii_9_6/.spack-env/view/bin/gmake -f Makefile cmTC_14ee5/fast
/home/omnipresent/Documents/github_repos/spack/var/spack/environments/dealii_9_6/.spack-env/view/bin/gmake
-f CMakeFiles/cmTC_14ee5.dir/build.make CMakeFiles/cmTC_14ee5.dir/build
gmake[1]: Entering directory
'/home/omnipresent/Documents/github_repos/dealii/examples/step-2/build/CMakeFiles/CMakeScratch/TryCompile-aLSS2O'
Building CXX object CMakeFiles/cmTC_14ee5.dir/testCXXCompiler.cxx.o
/home/omnipresent/Documents/github_repos/spack/lib/spack/env/gcc/g++
-o CMakeFiles/cmTC_14ee5.dir/testCXXCompiler.cxx.o -c
/home/omnipresent/Documents/github_repos/dealii/examples/step-2/build/CMakeFiles/CMakeScratch/TryCompile-aLSS2O/testCXXCompiler.cxx
[spack cc] ERROR: Spack compiler must be run from Spack! Input
'SPACK_ENV_PATH' is missing.
Vijay:
the way I read this error is that you asked Spack to download and install its
own compiler, and that it now insists that you keep using that going forward:
ERROR: Spack compiler must be run from Spack! Input 'SPACK_ENV_PATH' is
missing.
I really don't know anything about Spack (perhaps others here do), but my
suggestion is to always rely on the compiler your system has. I see no reason
not to use the compiler that comes with Ubuntu 24.04.
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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