Loading doc/src/Build_basics.rst +27 −9 Original line number Diff line number Diff line Loading @@ -270,17 +270,35 @@ Serial build with GNU gcc (see ``src/MAKE/Makefile.serial``): LINK = g++ LINKFLAGS = -g -O .. note:: If you build LAMMPS with any :doc:`accelerator packages <Speed_packages>` included, there may be specific optimization flags that are either required or recommended to enable required features and to achieve optimal performance. You need to include these in the CCFLAGS and LINKFLAGS settings above. For details, see the individual package doc pages listed on the :doc:`Speed packages <Speed_packages>` doc page. Or examine these files in the src/MAKE/OPTIONS directory. They correspond to each of the 5 accelerator packages and their hardware variants: If compilation stops with a message like the following: .. code-block:: g++ -g -O3 -DLAMMPS_GZIP -DLAMMPS_MEMALIGN=64 -I../STUBS -c ../main.cpp In file included from ../pointers.h:24:0, from ../input.h:17, from ../main.cpp:16: ../lmptype.h:34:2: error: #error LAMMPS requires a C++11 (or later) compliant compiler. Enable C++11 compatibility or upgrade the compiler. then you have either an unsupported (old) compiler or you have to turn on C++11 mode. The latter applies to GCC 4.8.x shipped with RHEL 7.x and CentOS 7.x. For those compilers, you need to add the ``-std=c++11`` flag. Otherwise, you would have to install a newer compiler that supports C++11; either as a binary package or through compiling from source. If you build LAMMPS with any :doc:`accelerator packages <Speed_packages>` included, there may be specific optimization flags that are either required or recommended to enable required features and to achieve optimal performance. You need to include these in the CCFLAGS and LINKFLAGS settings above. For details, see the individual package doc pages listed on the :doc:`Speed packages <Speed_packages>` doc page. Or examine these files in the src/MAKE/OPTIONS directory. They correspond to each of the 5 accelerator packages and their hardware variants: .. code-block:: bash Loading doc/src/Build_make.rst +3 −1 Original line number Diff line number Diff line Loading @@ -20,7 +20,9 @@ with :doc:`CMake <Build_cmake>`. The makefiles of the traditional make based build process and the scripts they are calling expect a few additional tools to be available and functioning. * a working C/C++ compiler toolchain; on Linux these are often the GNU compilers * a working C/C++ compiler toolchain supporting the C++11 standard; on Linux these are often the GNU compilers. Some older compilers require adding flags like ``-std=c++11`` to enable the C++11 mode. * a Bourne shell compatible "Unix" shell program (often this is ``bash``) * a few shell utilities: ``ls``, ``mv``, ``ln``, ``rm``, ``grep``, ``sed``, ``tr``, ``cat``, ``touch``, ``diff``, ``dirname`` * python (optional, required for ``make lib-<pkg>`` in the src folder). Loading Loading
doc/src/Build_basics.rst +27 −9 Original line number Diff line number Diff line Loading @@ -270,17 +270,35 @@ Serial build with GNU gcc (see ``src/MAKE/Makefile.serial``): LINK = g++ LINKFLAGS = -g -O .. note:: If you build LAMMPS with any :doc:`accelerator packages <Speed_packages>` included, there may be specific optimization flags that are either required or recommended to enable required features and to achieve optimal performance. You need to include these in the CCFLAGS and LINKFLAGS settings above. For details, see the individual package doc pages listed on the :doc:`Speed packages <Speed_packages>` doc page. Or examine these files in the src/MAKE/OPTIONS directory. They correspond to each of the 5 accelerator packages and their hardware variants: If compilation stops with a message like the following: .. code-block:: g++ -g -O3 -DLAMMPS_GZIP -DLAMMPS_MEMALIGN=64 -I../STUBS -c ../main.cpp In file included from ../pointers.h:24:0, from ../input.h:17, from ../main.cpp:16: ../lmptype.h:34:2: error: #error LAMMPS requires a C++11 (or later) compliant compiler. Enable C++11 compatibility or upgrade the compiler. then you have either an unsupported (old) compiler or you have to turn on C++11 mode. The latter applies to GCC 4.8.x shipped with RHEL 7.x and CentOS 7.x. For those compilers, you need to add the ``-std=c++11`` flag. Otherwise, you would have to install a newer compiler that supports C++11; either as a binary package or through compiling from source. If you build LAMMPS with any :doc:`accelerator packages <Speed_packages>` included, there may be specific optimization flags that are either required or recommended to enable required features and to achieve optimal performance. You need to include these in the CCFLAGS and LINKFLAGS settings above. For details, see the individual package doc pages listed on the :doc:`Speed packages <Speed_packages>` doc page. Or examine these files in the src/MAKE/OPTIONS directory. They correspond to each of the 5 accelerator packages and their hardware variants: .. code-block:: bash Loading
doc/src/Build_make.rst +3 −1 Original line number Diff line number Diff line Loading @@ -20,7 +20,9 @@ with :doc:`CMake <Build_cmake>`. The makefiles of the traditional make based build process and the scripts they are calling expect a few additional tools to be available and functioning. * a working C/C++ compiler toolchain; on Linux these are often the GNU compilers * a working C/C++ compiler toolchain supporting the C++11 standard; on Linux these are often the GNU compilers. Some older compilers require adding flags like ``-std=c++11`` to enable the C++11 mode. * a Bourne shell compatible "Unix" shell program (often this is ``bash``) * a few shell utilities: ``ls``, ``mv``, ``ln``, ``rm``, ``grep``, ``sed``, ``tr``, ``cat``, ``touch``, ``diff``, ``dirname`` * python (optional, required for ``make lib-<pkg>`` in the src folder). Loading
