XL Fortran Enterprise Edition for AIX : User's Guide - IBM

-B Option
Syntax
-Bprefix
Determines a substitute path name for executable files used during compilation,
such as the compiler or linker. It can be used in combination with the -t option,
which determines which of these components are affected by -B.
Arguments
prefix is the name of a directory where the alternative executable files reside. It
must end in a / (slash).
Rules
To form the complete path name for each component, the driver program adds
prefix to the standard program names. You can restrict the components that are
affected by this option by also including one or more -tmnemonic options.
You can also specify default path names for these commands in the configuration
file.
This option allows you to keep multiple levels of some or all of the XL Fortran
components or to try out an upgraded component before installing it permanently.
When keeping multiple levels of XL Fortran available, you might want to put the
appropriate -B and -t options into a configuration-file stanza and to use the -F
option to select the stanza to use.
Examples
In this example, an earlier level of the XL Fortran components is installed in the
directory /usr/lpp/xlf/bin. To test the upgraded product before making it available
to everyone, the system administrator restores the latest install image under the
directory /home/jim and then tries it out with commands similar to:
xlf95 -tchbI -B/home/jim/usr/lpp/xlf/bin/ test_suite.f
Once the upgrade meets the acceptance criteria, the system administrator installs it
over the old level in /usr/lpp/xlf/bin.
Related Information
See “-t Option” on page 270, “-F Option” on page 107, “Customizing the
Configuration File” on page 15, and “Running Two Levels of XL Fortran” on page
28.
XL Fortran Compiler-Option Reference 93