summaryrefslogtreecommitdiff
path: root/gcc/doc/options.texi
diff options
context:
space:
mode:
authorburnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4>2014-11-29 00:04:48 +0000
committerburnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4>2014-11-29 00:04:48 +0000
commit1eaf1dbefe219bcd5f1b87d32863a7f92bda154d (patch)
tree817e0bd186b25372de8bb48878056440c3f75bfb /gcc/doc/options.texi
parent85ac1c40b2529d4be5e3e9572778ab8d06e00f76 (diff)
downloadgcc-1eaf1dbefe219bcd5f1b87d32863a7f92bda154d.tar.gz
2014-11-29 Tobias Burnus <burnus@net-b.de>
Manuel López-Ibáñez <manu@gcc.gnu.org> gcc/ * opt-functions.awk (lang_enabled_by): Support || for enabled-by. * optc-gen.awk: Ditto. * doc/options.texi (LangEnabledBy, EnabledBy): Document the || syntax. gcc/fortran/ * lang.opt (Wtabs): Combine duplicated item into a single one using || for LangEnabledBy. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218175 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/options.texi')
-rw-r--r--gcc/doc/options.texi7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi
index bcffdf86aaa..1ead0972134 100644
--- a/gcc/doc/options.texi
+++ b/gcc/doc/options.texi
@@ -459,15 +459,18 @@ value of @option{-fmath-errno} for languages that do not use
@code{errno}.
@item EnabledBy(@var{opt})
+@itemx EnabledBy(@var{opt} || @var{opt2})
@itemx EnabledBy(@var{opt} && @var{opt2})
If not explicitly set, the option is set to the value of
-@option{-@var{opt}}. The second form specifies that the option is
+@option{-@var{opt}}; multiple options can be given, separated by
+@code{||}. The third form using @code{&&} specifies that the option is
only set if both @var{opt} and @var{opt2} are set.
@item LangEnabledBy(@var{language}, @var{opt})
@itemx LangEnabledBy(@var{language}, @var{opt}, @var{posarg}, @var{negarg})
When compiling for the given language, the option is set to the value
-of @option{-@var{opt}}, if not explicitly set. In the second form, if
+of @option{-@var{opt}}, if not explicitly set. @var{opt} can be also a list
+of @code{||} separated options. In the second form, if
@var{opt} is used in the positive form then @var{posarg} is considered
to be passed to the option, and if @var{opt} is used in the negative
form then @var{negarg} is considered to be passed to the option. It