balay@pj02:~/spack$ spack install omega-h~trilinos
==> [email protected] : externally installed in /usr
==> [email protected] : already registered in DB
==> [email protected] : externally installed in /home/petsc/soft/mpich-3.3b1
==> [email protected] : already registered in DB
==> [email protected] : externally installed in /usr
==> [email protected] : already registered in DB
==> Installing omega-h
==> Searching for binary cache of omega-h
==> Warning: No Spack mirrors are currently configured
==> No binary for omega-h found: installing from source
==> Using cached archive: /home/balay/spack/var/spack/cache/omega-h/omega-h-9.19.1.tar.gz
==> Staging archive: /home/balay/spack/var/spack/stage/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua/v9.19.1.tar.gz
==> Created stage in /home/balay/spack/var/spack/stage/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua
==> No patches needed for omega-h
==> Building omega-h [CMakePackage]
==> Executing phase: 'cmake'
==> Error: ProcessError: Command exited with status 1:
    'cmake' '/home/balay/spack/var/spack/stage/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua/omega_h-9.19.1' '-G' 'Unix Makefiles' '-DCMAKE_INSTALL_PREFIX:PATH=/home/balay/spack/opt/spack/linux-ubuntu18.04-x86_64/gcc-7.3.0/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua' '-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo' '-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON' '-DCMAKE_INSTALL_RPATH_USE_LINK_PATH:BOOL=FALSE' '-DCMAKE_INSTALL_RPATH:STRING=/home/balay/spack/opt/spack/linux-ubuntu18.04-x86_64/gcc-7.3.0/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua/lib;/home/balay/spack/opt/spack/linux-ubuntu18.04-x86_64/gcc-7.3.0/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua/lib64;/home/petsc/soft/mpich-3.3b1/lib;/usr/lib' '-DCMAKE_PREFIX_PATH:STRING=/home/petsc/soft/mpich-3.3b1' '-DCMAKE_CXX_FLAGS=-std=c++11' '-DUSE_XSDK_DEFAULTS:BOOL=OFF' '-DBUILD_SHARED_LIBS:BOOL=ON' '-DOmega_h_USE_MPI:BOOL=ON' '-DCMAKE_CXX_COMPILER:FILEPATH=/home/petsc/soft/mpich-3.3b1/bin/mpic++' '-DOmega_h_USE_ZLIB:BOOL=ON' '-DZLIB_ROOT:PATH=/usr' '-DOmega_h_EXAMPLES:BOOL=OFF' '-DOmega_h_THROW:BOOL=OFF' '-DOmega_h_CXX_OPTIMIZE:BOOL=ON' '-DOmega_h_CXX_SYMBOLS:BOOL=ON' '-DOmega_h_CXX_WARNINGS:BOOL=FALSE'

1 error found in build log:
     36    -- Omega_h_USE_pybind11: OFF
     37    -- Omega_h_USE_dwarf: OFF
     38    -- Not using Teuchos
     39    -- Omega_h_USE_MPI: ON
     40    -- Omega_h_USE_OpenMP: OFF
     41    -- Omega_h_USE_CUDA: OFF
  >> 42    CMake Error at cmake/bob.cmake:154 (message):
     43      can't set CMAKE_BUILD_TYPE and use bob_*_cxx_flags
     44    Call Stack (most recent call first):
     45      CMakeLists.txt:123 (bob_begin_cxx_flags)
     46    
     47    
     48    -- Configuring incomplete, errors occurred!

See build log for details:
  /home/balay/spack/var/spack/stage/omega-h-9.19.1-ykyja6izbegehqv7o7yzmwq7mfovhzua/omega_h-9.19.1/spack-build.out