[Buildroot] [PATCH v3 1/1] package/jsoncpp: Broken on musl
Jörg Krause
joerg.krause at embedded.rocks
Sun Aug 9 18:59:54 UTC 2015
Dear Bernd Kuhls,
On So, 2015-08-09 at 13:50 +0200, Bernd Kuhls wrote:
> Also propagate to reverse dependencies, to keep bisectability do this
> in
> one commit.
>
> Fixes compile error:
>
> [ 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
>
> using this defconfig:
>
> BR2_TOOLCHAIN_BUILDROOT_MUSL=y
> BR2_TOOLCHAIN_BUILDROOT_CXX=y
> BR2_PACKAGE_JSONCPP=y
>
> Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
> ---
> v3: - rebased
> - updated comments (Yann)
> - added reverse dependencies to kodi-pvr-filmon & kodi-pvr-pctv
> v2: Disable jsoncpp and reverse dependency with musl toolchain
> instead of patching gcc (Thomas)
> FTR: gcc patches can be found here:
> http://patchwork.ozlabs.org/patch/460337/
>
After a short investigation [1] I realized this error only applies for
x86 targets.
[1] https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01084.html
Best regards
Jörg Krause
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