# E.4 Platform-Specific Compiler Options

The term compiler option is used in this manual to describe OpenVMS command line qualifiers and Tru64 UNIX command line options. For example, the compiler option RECURSIVE is equivalent to the following:

    FORTRAN/RECURSIVE      ! on OpenVMS systems

    f77 -recursive         ! on Tru64 UNIX systems

Note
  This manual only provides information on a few of the available compiler options. Please refer to your user manual for complete information on all compiler options available on your system.

Table E-2 shows the compiler option names used in this manual and their equivalents on OpenVMS and Tru64 UNIX systems.

### Table E-2 Compiler Option Names in This Manual

Compiler Option[1] | OpenVMS Qualifier | Tru64 UNIX Option
--- | --- | ---
ALIGN | /ALIGNMENT=keyword[2] | -align keyword
AUTOMATIC[2] | /AUTOMATIC | -automatic
BLAS | /BLAS[3] | None
CHECK_ASSERTIONS | /CHECK=ASSERTIONS[3] | None
CONVERT | /CONVERT=keyword | -convert keyword
D_LINES | /D_LINES | -d_lines
DESIGN | /DESIGN[3] | None
EXTEND_SOURCE | /EXTEND_SOURCE | -extend_source
FLOAT | /FLOAT=keyword[2] | None
G_FLOATING | /G_FLOATING | None
INTEGER_SIZE | /INTEGER_SIZE=16[2] or /NOI4 /INTEGER_SIZE=32[2] or /I4 /INTEGER_SIZE=64[2] | -integer_size 16 -integer_size 32 -integer_size 64
LIST | /LIST | -V
NAMES | /NAMES=AS_IS[2] | -names as_is
NOF77 | /NOF77 | -nof77
PAD_SOURCE | /PAD_SOURCE | -pad_source
PARALLEL | /PARALLEL=(MANUAL,AUTOMATIC)[3] | None
REAL_SIZE | /REAL_SIZE=32[2] /REAL_SIZE=64[2] | -real_size 32 -real_size 64
RECURSIVE | /RECURSIVE | -recursive
STANDARD | /STANDARD=(SEMANTIC,SYNTAX) | -stand keyword
VMS | /VMS[2] | -vms
WARN_ALIGNMENT | /WARNINGS=ALIGNMENT | Default setting
WARN_DECLARATIONS | /WARNINGS=DECLARATIONS | -warn declarations
[1] Options that are valid in OPTIONS statements use the OpenVMS qualifier spelling. (For more information on the OPTIONS statement, see Section 1.6.3.) [2] Alpha only [3] VAX only

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