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configure: Enable compiler warnings to help add 'noreturn' attribute

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This attributes helps the compiler to produce better binary code.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2013-11-15 18:46:39 +01:00
committed by Carlos R. Mafra
parent fc825382d6
commit 9e90cebc01
1 changed files with 4 additions and 0 deletions
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configure.ac
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@@ -135,6 +135,10 @@ AS_IF([test "x$debug" = "xyes"],
[-Wsuggest-attribute=format dnl new gcc syntax [-Wsuggest-attribute=format dnl new gcc syntax
-Wmissing-format-attribute dnl old gcc syntax, clang -Wmissing-format-attribute dnl old gcc syntax, clang
]) ])
WM_CFLAGS_CHECK_FIRST([no-return attribute suggest],
[-Wsuggest-attribute=noreturn dnl gcc syntax
-Wmissing-noreturn dnl clang syntax
])
], [dnl ], [dnl
dnl When debug not enabled, we try to avoid some non-necessary dnl When debug not enabled, we try to avoid some non-necessary
dnl messages from the compiler dnl messages from the compiler