The details of the linking process vary, and order sometimes matters. Other module files define similar environment variables see Using Modules for more information. On Frontera, both the hdf5 and phdf5 modules define the environment variables $TACC_HDF5_INC and $TACC_HDF5_LIB. See the published Intel documentation, available both online and in $ -lmylib -lhdf5 # link $ icc -qopenmp mycode.c -o myexe # OpenMP Here are simple examples that use the Intel compiler to build an executable from source code:Ĭompiling a code that uses OpenMP would look like this: Each Intel module also gives you direct access to mkl without loading an mkl module see Intel MKL for more information. Intel is the recommended and default compiler suite on Frontera. We recommend that you master the basics of makefiles as quickly as possible: even the simplest computational research project will benefit enormously from the power and flexibility of a makefile-based build process. You will quickly outgrow the examples here. You will undoubtedly want to explore these concepts more deeply using online resources. This section of the user guide does nothing more than introduce the big ideas with simple one-line examples. Increasingly, however, the build process is a sophisticated multi-step automated workflow managed by a special framework like autotools or cmake, intended to achieve a repeatable, maintainable, portable mechanism for installing software across a wide range of target platforms. More typically, the process leverages the power of makefiles, so you can change a line or two in the source code, then rebuild in a systematic way only the components affected by the change. In its simplest form, building software involves a simple, one-line call or short shell script that invokes a compiler. The phrase "building software" is a common way to describe the process of producing a machine-readable executable file from source files written in C, Fortran, or some other programming language.
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