Bug #7840: -Wdeclaration-after-statement is valid for C/ObjC but not for C++

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: -
• ruby -v: ruby 2.0.0dev (2013-02-13 trunk 39224) [x86_64-linux]
• Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN
• Tags: build

[Hanmac (Hans Mackowiak)]

because of the new flags in warnflags i get this following errors:

cc1plus: warning: command line option '-Wdeclaration-after-statement' is valid for C/ObjC but not for C++ [enabled by default]
cc1plus: warning: command line option '-Wimplicit-function-declaration' is valid for C/ObjC but not for C++ [enabled by default]

its because my gems are written in C++ and not in C, so i think this flags should not be used when the variable is used for both C and C++

[ko1 (Koichi Sasada)]

• Target version set to 2.6
• Category set to build
• Assignee set to nobu (Nobuyoshi Nakada)

[naruse (Yui NARUSE)]

• Target version deleted (2.6)

[jeremyevans0 (Jeremy Evans)]

declaration-after-statement warnings were removed in ec336fb40e4df0c8615e584fbefb5e9e572cb9ec. implicit-function-declaration warnings are still present, though.

[jeremyevans0 (Jeremy Evans)]

• Status changed from Open to Closed

Looking at recent Ruby versions:

• -Wimplicit-function-declaration is in warnflags
• warnflags is included in cflags
• cflags is included in CFLAGS but not CXXFLAGS
• C++ compilation rules use CXXFLAGS and not CFLAGS

So I think this problem has been resolved.