Hello everybody, I moving a makefile to cmake, and after errors I could check that order in link chain was important.
1) CMake generates this link.txt (error when linking) /usr/bin/c++ -lfusion_io -ladios -lmxml -lmpi -lopen-rte -lopen-pal -lpthread -lstdc++ CMakeFiles/niio-main.dir/main.cpp.o -o niio-main -rdynamic -L/home/testuser/dev/niio/lib -L/home/testuser/dev/niio/openmpi/lib 2) Desired linking that works: /usr/bin/c++ CMakeFiles/niio-main.dir/main.cpp.o -lfusion_io -ladios -lmxml -lmpi -lopen-rte -lopen-pal -lpthread -lstdc++ -o niio-main -rdynamic -L/home/testuser/dev/niio/lib -L/home/testuser/dev/niio/openmpi/lib My question is, how to fix in my CMakeLists.txt to have main.cpp.o first in the sequence of the link command? My current code is: set(TARGET_NAME "niio-main") link_directories("${PROJECT_SOURCE_DIR}/lib") link_directories("${PROJECT_SOURCE_DIR}/openmpi/lib") add_executable(${TARGET_NAME} main.cpp) include_directories("${PROJECT_SOURCE_DIR}") include_directories("${PROJECT_SOURCE_DIR}/openmpi/include") add_definitions( -DOMPI_SKIP_MPICXX -DDEBUG -DNI_IO -DNI_MPI ) set_target_properties(${TARGET_NAME} PROPERTIES COMPILE_FLAGS "-fPIC -g -Wall -Wno-deprecated") set_target_properties(${TARGET_NAME} PROPERTIES LINK_FLAGS "-lfusion_io -ladios -lmxml -lmpi -lopen-rte -lopen-pal -lpthread -lstdc++") Thank you very much, JP
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