Fortran 95 Interfaces to LAPACK and BLAS

Fortran 95 interfaces are compiler-dependent. Intel(R) Math Kernel Library (Intel(R) MKL) provides the interface libraries and modules precompiled with the Intel(R) Fortran compiler. Additionally, the Fortran 95 interfaces and wrappers are delivered as sources. (For more information, see Compiler-dependent Functions and Fortran 90 Modules). If you are using a different compiler, build the appropriate library and modules with your compiler and link the library as a user's library:


  1. Go to the respective directory <mkl directory>/interfaces/blas95 or <mkl directory>/interfaces/lapack95
  2. Type one of the following commands depending on your architecture:
    • For the IA-32 architecture,

      make libia32 INSTALL_DIR=<user dir>

    • For the Intel(R) 64 architecture,

      make libintel64 [interface=lp64|ilp64] INSTALL_DIR=<user dir>

Note iconNote

Parameter INSTALL_DIR is required.

As a result, the required library is built and installed in the <user dir>/lib directory, and the .mod files are built and installed in the <user dir>/include/<arch>[/{lp64|ilp64}] directory, where <arch> is one of {ia32, intel64}.

By default, the ifort compiler is assumed. You may change the compiler with an additional parameter of make: FC=<compiler>.

For example, command

make libintel64 FC=pgf95 INSTALL_DIR=<user pgf95 dir> interface=lp64

builds the required library and .mod files and installs them in subdirectories of <user pgf95 dir>.

To delete the library from the building directory, use the following commands:

Caution iconCaution

Even if you have administrative rights, avoid setting INSTALL_DIR=../.. or INSTALL_DIR=<mkl directory> in a build or clean command above because these settings replace or delete the Intel MKL prebuilt Fortran 95 library and modules.


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