Hi, On 04/11/16 08:51, Radovan Birdic wrote: > Package drumgizmo_0.9.11-1 FTBFS on mips and mipsel with following error: > >> plugingui-plugingui.o: In function `std::atomic<double>::is_lock_free() >> const': >> /usr/include/c++/6/atomic:212: undefined reference to `__atomic_is_lock_free' [...] > The problem is in configure.ac file. Code used for checking is libatomic > needed to link > always returns the same result. For mips and mipsel test passes but the build > fails because of missing libatomic. > I have changed that test to provide linking with libatomic as needed.
The patch:
> --- drumgizmo-0.9.11.orig/configure.ac
> +++ drumgizmo-0.9.11/configure.ac
> @@ -473,11 +473,12 @@ dnl ======================
> AC_MSG_CHECKING([for the need for linkage with libatomic])
> AC_LANG_PUSH([C++])
> AC_LINK_IFELSE([AC_LANG_SOURCE[
> + #include <cstdinti>
Typo? You want <cstdint>
> #include <atomic>
> + std::atomic<uintptr_t> x;
> + std::atomic<uintmax_t> y;
I don't think you should rely on these types being in the global namespace.
> int main() {
> - struct Test { int val; };
> - std::atomic<Test> s;
> - return s.is_lock_free()?1:0;
> + return x + y;
> }
> ]],
> [AC_MSG_RESULT([no])],
Thanks,
James
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