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gdb: enable -Wmissing-prototypes warning

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While compiling with clang, I noticed it didn't catch cases where my
function declaration didn't match my function definition.  This is
normally caught by gcc with -Wmissing-declarations.

On clang, this is caught by -Wmissing-prototypes instead.

Note that on gcc, -Wmissing-prototypes also exists, but is only valid
for C and Objective-C.  It gets correctly rejected by the configure
script since gcc rejects it with:

    cc1plus: error: command line option '-Wmissing-prototypes' is valid for C/ObjC but not for C++ -Werror

So this warning flag ends up not used for gcc (which is what we want).

gdb/ChangeLog:

	* configure: Re-generate.

gdbserver/ChangeLog:

	* configure: Re-generate.

gdbsupport/ChangeLog:

	* configure: Re-generate.
	* warning.m4: Enable -Wmissing-prototypes.
This commit is contained in:
Simon Marchi
2020-03-11 15:15:12 -04:00
parent 5308d1e771
commit a0761e34f0
7 changed files with 17 additions and 0 deletions
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gdbserver/configure vendored
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@@ -9616,6 +9616,7 @@ build_warnings="-Wall -Wpointer-arith \
-Wdeprecated-copy-dtor \
-Wredundant-move \
-Wmissing-declarations \
-Wmissing-prototypes \
-Wstrict-null-sentinel \
"