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configure: Add -Wmissing-declarations to maximum compiler warnings set

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This helps to catch inconsistent declarations in headers that weren’t
included, and local functions that are not marked static.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2014-04-23 16:43:45 -04:00
committed by John Hood
parent cd2ae36f36
commit fb97e54b2f
1 changed files with 2 additions and 2 deletions
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configure.ac
+2 -2
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@@ -33,11 +33,11 @@ AC_ARG_ENABLE([compile-warnings],
;;
maximum)
WARNING_CXXFLAGS="-Wall"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++ -Wmissing-declarations"
;;
error)
WARNING_CXXFLAGS="-Wall -Werror"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++ -Wmissing-declarations"
;;
*)
AC_MSG_ERROR([Unknown argument '$enableval' to --enable-compile-warnings])