C/C++ Programmer's Guide (G06.27+, H06.03+)

Compiling, Binding, and Accelerating TNS C++
Programs
HP C/C++ Programmer’s Guide for NonStop Systems—429301-010
15-8
Working in the Guardian Environment
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Cprep and Cfront both send error and warning messages to stderr. The default
location for stderr is the terminal. You can assign stderr to a specific file and
collect all Cprep and Cfront error and warning messages there.
To send error and warning messages to a file, assign stderr to the desired file
name prior to invoking Cprep. You assign stderr to a file name:
ASSIGN STDERR, file-name
To return to the default location, enter:
CLEAR ASSIGN STDERR
Example
In this example, the intermediate file intfile1, which was previously created by
Cprep, is now input to Cfront. An intermediate file, intfile2, is created by Cfront for
later use by the C compiler.
CFRONT/ IN intfile1, OUT intfile2 /
TNS C Compiler Run Command Syntax
The TNS C compiler compiles the output from Cfront and produces a compiler listing
and a TNS object file, provided that the compiler encounters no errors during the
compilation.
If your program has multiple compilation units, you use Binder to combine the TNS
object files produced by the C compiler into one executable TNS object file.
If your program comprises a single compilation unit, you can use the RUNNABLE
pragma in the C++ source file or on the Cprep run command line to direct the TNS
C compiler to produce an executable TNS object file without having to run the Binder.
You use this syntax to run the TNS C compiler:
IN intermediate-file2
specifies the name of the file that contains the output from Cfront.
OUT listing
specifies the file to which the TNS C compiler writes the compiler listing. When
specified, listing is usually a spooler location. If you omit the OUT option, the
compiler writes the listing to your current default output file, usually the terminal.
When you run the TNS C compiler, error and warning messages are sent to
listing (stdout), not stderr.
[ RUN ] C / IN intermediate-file2, OUT listing ]
[ , run-options ] / [ object ] [ ; pragma [ , pragma ]...]