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CMake: Skip MPICXX #1785

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Merged
franzpoeschel merged 1 commit into from
Sep 16, 2025
Merged

CMake: Skip MPICXX #1785

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2 changes: 1 addition & 1 deletion .github/workflows/tooling.yml
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Expand Up @@ -61,7 +61,7 @@ jobs:
SOURCEPATH="$(pwd)"
share/openPMD/download_samples.sh build
export LDFLAGS="${LDFLAGS} -fsanitize=address,undefined -shared-libsan"
export CXXFLAGS="${CXXFLAGS} -fsanitize=address,undefined -shared-libsan -DOMPI_SKIP_MPICXX"
export CXXFLAGS="${CXXFLAGS} -fsanitize=address,undefined -shared-libsan"
cmake -S . -B build \
-DopenPMD_USE_MPI=ON \
-DopenPMD_USE_PYTHON=ON \
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1 change: 1 addition & 0 deletions CMakeLists.txt
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Expand Up @@ -233,6 +233,7 @@ message(STATUS "openPMD-api superbuild: ${openPMD_SUPERBUILD}")
# Clang+MPI: Potentially needed MPI::MPI_C targets in the past
# (exact MPI flavor & Clang version lost)
# BullMPI: PUBLIC dependency to MPI::MPI_CXX is missing in MPI::MPI_C target
set(MPI_CXX_SKIP_MPICXX ON) # We do not use MPI-2 only MPI C++ bindings
set(openPMD_MPI_LINK_C_DEFAULT OFF)
option(openPMD_MPI_LINK_C "Also link the MPI C targets" ${openPMD_MPI_LINK_C_DEFAULT})
mark_as_advanced(openPMD_MPI_LINK_C)
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