From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Korsgaard Date: Wed, 16 Jan 2019 21:21:27 +0100 Subject: [Buildroot] [PATCH] package/supertux: needs gcc >= 6 In-Reply-To: <20181229123120.30803-1-romain.naour@gmail.com> (Romain Naour's message of "Sat, 29 Dec 2018 13:31:20 +0100") References: <20181229123120.30803-1-romain.naour@gmail.com> Message-ID: <87won49wvs.fsf@dell.be.48ers.dk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net >>>>> "Romain" == Romain Naour writes: > The initial build issue [1] has been fixed upstream but the supertux > fail to link with boost libraries when using gcc 5 (which use C++11 by default): > libsupertux2_lib.a(main.cpp.o): In function `boost::system::error_category::std_category::equivalent(std::error_code const&, int) const': > main.cpp:(.text._ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei[_ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei]+0x32): undefined reference to `boost::system::detail::generic_category_instance' > main.cpp:(.text._ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei[_ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei]+0x47): undefined reference to `boost::system::detail::generic_category_instance' > main.cpp:(.text._ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei[_ZNK5boost6system14error_category12std_category10equivalentERKSt10error_codei]+0x99): undefined reference to `boost::system::detail::generic_category_instance' > libsupertux2_lib.a(main.cpp.o): In function `boost::system::error_category::std_category::equivalent(int, std::error_condition const&) const': > main.cpp:(.text._ZNK5boost6system14error_category12std_category10equivalentEiRKSt15error_condition[_ZNK5boost6system14error_category12std_category10equivalentEiRKSt15error_condition]+0x33): undefined reference to `boost::system::detail::generic_category_instance' > main.cpp:(.text._ZNK5boost6system14error_category12std_category10equivalentEiRKSt15error_condition[_ZNK5boost6system14error_category12std_category10equivalentEiRKSt15error_condition]+0x48): undefined reference to `boost::system::detail::generic_category_instance' > collect2: error: ld returned 1 exit status > This is a similar issue as the one reported by [2]. > With gcc 5, boost libraries are compiled using C++11 but > supertux2_lib.a is using C++14 standard. > To fix the issue, boost libraries should be build using C++14 > standard but we currently don't have an option to "force" the > default C++ standard used by the compiler. > So bump the minimum gcc version to gcc 6 since the C++14 is > used by default. > [1] https://github.com/SuperTux/supertux/issues/1014 > [2] https://github.com/boostorg/system/issues/26 > Fixes: > http://autobuild.buildroot.net/results/5b4/5b452c155917d783b3d8167fde48c2c938a74b95 > Signed-off-by: Romain Naour Committed, thanks. -- Bye, Peter Korsgaard