find MPI ourselves - mold doesn't use default lib search paths

PhilipDeegan · Nov 30, 2023 · 4d23de0 · 4d23de0
1 parent e33c542
commit 4d23de0
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Showing 3 changed files with 9 additions and 1 deletion.
diff --git a/res/cmake/dep/samrai.cmake b/res/cmake/dep/samrai.cmake
@@ -32,3 +32,9 @@ else()
   message("SAMRAI HAS BEEN FOUND")
   message(${SAMRAI_INCLUDE_DIRS})
 endif()
+
+find_package(MPI REQUIRED)
+foreach(LIB ${MPI_LIBRARY})
+    get_filename_component(MPI_LIBRARY_PATH ${LIB} DIRECTORY)
+endforeach()
+message("MPI_C_LIBRARIES " ${MPI_LIBRARY_PATH})
diff --git a/res/cmake/options.cmake b/res/cmake/options.cmake
@@ -100,6 +100,8 @@ function(print_phare_options)
   message("build with ccache (if found) in devMode     : " ${withCcache})
   message("build with LLNL Caliper                     : " ${withCaliper})
 
+  message("MPI_LIBRARY_PATH                            : " ${MPI_LIBRARY_PATH})
+
   if(${devMode})
     message("PHARE_EXEC_LEVEL_MIN                        : " ${PHARE_EXEC_LEVEL_MIN})
     message("PHARE_EXEC_LEVEL_MAX                        : " ${PHARE_EXEC_LEVEL_MAX})

diff --git a/src/amr/CMakeLists.txt b/src/amr/CMakeLists.txt
@@ -77,7 +77,7 @@ add_library(${PROJECT_NAME} ${SOURCES_INC} ${SOURCES_CPP})
 target_compile_options(${PROJECT_NAME} PRIVATE ${PHARE_WERROR_FLAGS})
 set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION ${PHARE_INTERPROCEDURAL_OPTIMIZATION})
 
-
+target_link_directories(${PROJECT_NAME} PUBLIC ${MPI_LIBRARY_PATH})
 target_link_libraries(${PROJECT_NAME} PUBLIC
   phare_core
   SAMRAI_algs