From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Sat, 11 Apr 2015 12:43:37 +0200 Subject: [Buildroot] [PATCH 1/2] package/gcc: Fix compiling jsoncpp with musl In-Reply-To: <1428739163-3413-1-git-send-email-bernd.kuhls@t-online.de> References: <1428739163-3413-1-git-send-email-bernd.kuhls@t-online.de> Message-ID: <20150411124337.4cf40664@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dear Bernd Kuhls, On Sat, 11 Apr 2015 09:59:22 +0200, Bernd Kuhls wrote: > [ 16%] Building CXX object src/lib_json/CMakeFiles/jsoncpp_lib.dir/json_value.cpp.o > In file included from /home/fli4l/br3/output/host/usr/lib/gcc/x86_64-buildroot-linux-musl/4.9.2/include/xmmintrin.h:34:0, > from /home/fli4l/br3/output/host/usr/lib/gcc/x86_64-buildroot-linux-musl/4.9.2/include/x86intrin.h:31, > from /home/fli4l/br3/output/host/usr/x86_64-buildroot-linux-musl/include/c++/4.9.2/x86_64-buildroot-linux-musl/bits/opt_random.h:33, > from /home/fli4l/br3/output/host/usr/x86_64-buildroot-linux-musl/include/c++/4.9.2/random:50, > from /home/fli4l/br3/output/host/usr/x86_64-buildroot-linux-musl/include/c++/4.9.2/bits/stl_algo.h:66, > from /home/fli4l/br3/output/host/usr/x86_64-buildroot-linux-musl/include/c++/4.9.2/algorithm:62, > from /home/fli4l/br3/output/build/jsoncpp-1.6.1/src/lib_json/json_value.cpp:20: > /home/fli4l/br3/output/host/usr/lib/gcc/x86_64-buildroot-linux-musl/4.9.2/include/mm_malloc.h:34:64: error: declaration of 'int posix_memalign(void**, size_t, size_t) throw ()' has a different exception specifier > extern "C" int posix_memalign (void **, size_t, size_t) throw (); > ^ > In file included from /home/fli4l/br3/output/build/jsoncpp-1.6.1/include/json/assertions.h:9:0, > from /home/fli4l/br3/output/build/jsoncpp-1.6.1/src/lib_json/json_value.cpp:7: > /home/fli4l/br3/output/host/usr/x86_64-buildroot-linux-musl/sysroot/usr/include/stdlib.h:98:5: error: from previous declaration 'int posix_memalign(void**, size_t, size_t)' > int posix_memalign (void **, size_t, size_t); > ^ > make[2]: *** [src/lib_json/CMakeFiles/jsoncpp_lib.dir/json_value.cpp.o] Error 1 > > Signed-off-by: Bernd Kuhls I think instead just make jsoncpp depends on !musl. Because while this patch fixes the problem for the internal toolchain backend, it will continue to fail with external musl toolchains. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com