3.3.2 Macro Flags
Some option flags are macros that expand into a specific set of other flags. These are provided as a convenient way to specify a number of options that are usually expressed together to select a certain feature.
Table 3–5 Macro Option Flags|
Option Flag |
Expansion |
|---|---|
|
-dalign |
-xmemalign=8s -aligncommon=16 |
|
-f |
-aligncommon=16 |
|
-fast |
See description of —fast for complete current expansion. |
|
-fnonstd |
-fns -ftrap=common |
|
-xia=widestneed |
-xinterval=widestneed -ftrap=%none -fns=no -fsimple=0 |
|
-xia=strict |
-xinterval=strict -ftrap=%none -fns=no -fsimple=0 |
|
-xtarget |
-xarch=a -xcache=b -xchip=c |
Settings that follow the macro flag on the command line override or add to the the expansion of the macro.
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