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Use __linux__ instead of __linux.

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The macro __linux is less portable and, for example, is not defined on
some architectures.

See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28314.
This commit is contained in:
Giovanni Mascellani
2020-01-03 09:17:54 +01:00
parent 80e4c01b2c
commit 920960252d
1 changed files with 1 additions and 1 deletions
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doc/guidelines.qbk
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@@ -160,7 +160,7 @@ not require, follow the convention for adding a new defect macro (above), but
call the macro `BOOST_HAS_FOO`, and name the test file "`boost_has_foo.ipp`".
Try not to add feature test macros unnecessarily, if there is a platform
specific macro that can already be used (for example `_WIN32`, `__BEOS__`, or
`__linux`) to identify the feature then use that. Try to keep the macro to a
`__linux__`) to identify the feature then use that. Try to keep the macro to a
feature group, or header name, rather than one specific API (for example
`BOOST_HAS_NL_TYPES_H` rather than `BOOST_HAS_CATOPEN`). If the macro
describes a POSIX feature group, then add boilerplate code to