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Doc: Document the ltcg CONFIG value

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Fixes: QTBUG-81035
Change-Id: I41bff3aef3ac0ce7c117ab2245491dceb6f2685b
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
This commit is contained in:
Joerg Bornemann 2020-02-10 10:36:04 +01:00
parent a84c895b17
commit 5b59b2ea15
1 changed files with 3 additions and 1 deletions
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qmake/doc/src/qmake-manual.qdoc
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@ -917,7 +917,7 @@
Specifies project configuration and compiler options. The values are Specifies project configuration and compiler options. The values are
recognized internally by qmake and have special meaning. recognized internally by qmake and have special meaning.
The following \c CONFIG values control compilation flags: The following \c CONFIG values control compiler and linker flags:
\table \table
\header \li Option \li Description \header \li Option \li Description
@ -948,6 +948,8 @@
\row \li warn_off \li The compiler should output as few warnings as possible. \row \li warn_off \li The compiler should output as few warnings as possible.
\row \li exceptions \li Exception support is enabled. Set by default. \row \li exceptions \li Exception support is enabled. Set by default.
\row \li exceptions_off \li Exception support is disabled. \row \li exceptions_off \li Exception support is disabled.
\row \li ltcg \li Link time code generation is enabled.
This option is off by default.
\row \li rtti \li RTTI support is enabled. By default, the compiler \row \li rtti \li RTTI support is enabled. By default, the compiler
default is used. default is used.
\row \li rtti_off \li RTTI support is disabled. By default, the compiler \row \li rtti_off \li RTTI support is disabled. By default, the compiler