Bug#871070: marked as done (ms-gsl: FTBFS: multi_span:1191:57: error: conversion to 'long unsigned int' from 'long int' may change the sign of the result [-Werror=sign-conversion])

Debian Bug Tracking System Fri, 18 Aug 2017 02:21:36 -0700

Your message dated Fri, 18 Aug 2017 09:19:37 +0000
with message-id <e1didrj-000f4i...@fasolo.debian.org>
and subject line Bug#871070: fixed in ms-gsl 0~git20170602.1f87ef7-2
has caused the Debian Bug report #871070,
regarding ms-gsl: FTBFS: multi_span:1191:57: error: conversion to 'long 
unsigned int' from 'long int' may change the sign of the result 
[-Werror=sign-conversion]
to be marked as done.


This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
871070: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871070
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems

--- Begin Message ---

Source: ms-gsl
Version: 0~git20170602.1f87ef7-1
Severity: serious
Tags: buster sid
User: debian...@lists.debian.org
Usertags: qa-ftbfs-20170805 qa-ftbfs
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Relevant part (hopefully):
> cd "/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/tests" && /usr/bin/c++  
> -DGSL_THROW_ON_CONTRACT_VIOLATION -I"/<<PKGBUILDDIR>>" 
> -I"/<<PKGBUILDDIR>>/include" -I"/<<PKGBUILDDIR>>/tests/./unittest-cpp"  -g 
> -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat 
> -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2   -std=c++14 
> -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy 
> -Werror -Wextra -Wno-missing-braces -Wnon-virtual-dtor -Wold-style-cast 
> -Woverloaded-virtual -Wpedantic -Wshadow -Wsign-conversion -o 
> CMakeFiles/owner_tests.dir/owner_tests.cpp.o -c 
> "/<<PKGBUILDDIR>>/tests/owner_tests.cpp"
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/utils_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl_algorithm:22:0,
>                  from /<<PKGBUILDDIR>>/tests/algorithm_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> In file included from /<<PKGBUILDDIR>>/tests/multi_span_tests.cpp:19:0:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/string_span_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/notnull_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/owner_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> In file included from /<<PKGBUILDDIR>>/tests/bounds_tests.cpp:19:0:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:25:0,
>                  from /<<PKGBUILDDIR>>/tests/utils_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:25:0,
>                  from /<<PKGBUILDDIR>>/tests/string_span_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:25:0,
>                  from /<<PKGBUILDDIR>>/tests/owner_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:25:0,
>                  from /<<PKGBUILDDIR>>/tests/notnull_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/assertion_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> In file included from /<<PKGBUILDDIR>>/include/gsl/gsl:24:0,
>                  from /<<PKGBUILDDIR>>/tests/at_tests.cpp:19:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> In file included from /<<PKGBUILDDIR>>/tests/strided_span_tests.cpp:19:0:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1191:57: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      struct is_multi_span_oracle<strided_span<ValueType, Rank>> : 
> std::true_type
>                                                          ^~~~
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1301:88: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      template <typename T, std::size_t N, typename Helper = 
> details::SpanArrayTraits<T, N>>
>                                                                               
>           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, 
> RestDimensions>::multi_span(std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1324:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1329:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: In constructor 'constexpr 
> gsl::multi_span<ValueType, FirstDimension, RestDimensions>::multi_span(const 
> std::array<T, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1336:61: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : multi_span(arr.data(), bounds_type{static_bounds<N>{}})
>                                                              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1340:58: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          static_assert(std::is_convertible<static_bounds<N>, 
> bounds_type>::value,
>                                                           ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1733:91: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr auto as_multi_span(T (&arr)[N]) -> typename 
> details::SpanArrayTraits<T, N>::type
>                                                                               
>              ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1739:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>& arr)
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1745:39: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<const T, N> as_multi_span(const std::array<T, 
> N>&&) = delete;
>                                        ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1748:33: error: conversion to 'long 
> int' from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  inline constexpr multi_span<T, N> as_multi_span(std::array<T, N>& arr)
>                                  ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1932:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator==(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1942:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator!=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1951:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1960:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator<=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1969:59: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                            ^
> /<<PKGBUILDDIR>>/include/gsl/multi_span:1978:60: error: conversion to 'long 
> unsigned int' from 'long int' may change the sign of the result 
> [-Werror=sign-conversion]
>      operator>=(const strided_span<OtherValueType, OtherRank>& other) const 
> GSL_NOEXCEPT
>                                                             ^
> In file included from /<<PKGBUILDDIR>>/tests/span_tests.cpp:19:0:
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(gsl::span<ElementType, 
> Extent>::element_type (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:373:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(std::array<ArrayElementType, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:379:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: In constructor 'constexpr 
> gsl::span<ElementType, Extent>::span(const std::array<typename 
> std::remove_const<_Tp>::type, N>&)':
> /<<PKGBUILDDIR>>/include/gsl/span:385:51: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>          : storage_(&arr[0], details::extent_type<N>())
>                                                    ^
> /<<PKGBUILDDIR>>/include/gsl/span: At global scope:
> /<<PKGBUILDDIR>>/include/gsl/span:665:20: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>  span<ElementType, N> make_span(ElementType (&arr)[N])
>                     ^
> /<<PKGBUILDDIR>>/include/gsl/span: In function 'gsl::span<ElementType, N> 
> gsl::make_span(ElementType (&)[N])':
> /<<PKGBUILDDIR>>/include/gsl/span:667:31: error: conversion to 'long int' 
> from 'long unsigned int' may change the sign of the result 
> [-Werror=sign-conversion]
>      return span<ElementType, N>(arr);
>                                ^
> cc1plus: all warnings being treated as errors
> tests/CMakeFiles/owner_tests.dir/build.make:65: recipe for target 
> 'tests/CMakeFiles/owner_tests.dir/owner_tests.cpp.o' failed
> make[3]: *** [tests/CMakeFiles/owner_tests.dir/owner_tests.cpp.o] Error 1

The full build log is available from:
   
http://aws-logs.debian.net/2017/08/05/ms-gsl_0~git20170602.1f87ef7-1_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.

--- End Message ---

--- Begin Message ---

Source: ms-gsl
Source-Version: 0~git20170602.1f87ef7-2

We believe that the bug you reported is fixed in the latest version of
ms-gsl, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 871...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Nicholas Guriev <guriev...@ya.ru> (supplier of updated ms-gsl package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Thu, 17 Aug 2017 22:35:17 +0300
Source: ms-gsl
Binary: libmsgsl-dev
Architecture: source
Version: 0~git20170602.1f87ef7-2
Distribution: unstable
Urgency: medium
Maintainer: Nicholas Guriev <guriev...@ya.ru>
Changed-By: Nicholas Guriev <guriev...@ya.ru>
Description:
 libmsgsl-dev - Microsoft Guidelines Support Library
Closes: 871070
Changes:
 ms-gsl (0~git20170602.1f87ef7-2) unstable; urgency=medium
 .
   * Apply patch that fixes tests, from pull request #526 (closes: #871070)
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--- End Message ---

Bug#871070: marked as done (ms-gsl: FTBFS: multi_span:1191:57: error: conversion to 'long unsigned int' from 'long int' may change the sign of the result [-Werror=sign-conversion])

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