[Buildroot] [PATCH] package/dawgdic: needs gcc >= 4.7

[Romain Naour <romain.naour@openwide.fr>]

Hi Nicolas,

Le 08/08/2015 16:53, Nicolas Cavallari a ?crit :
> On 08/08/2015 11:35, Romain Naour wrote:
>> std::strtoll is only supported since C++11.
>>
>> Fixes:
>> http://autobuild.buildroot.net/results/cae/cae3cda9be779ea8359f94d13bbbca97e68495ca/
>>
>>
>> Signed-off-by: Romain Naour <romain.naour@openwide.fr>
>> ---
>>   package/dawgdic/Config.in | 6 ++++--
>>   1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/package/dawgdic/Config.in b/package/dawgdic/Config.in
>> index ce0b466..8ef9902 100644
>> --- a/package/dawgdic/Config.in
>> +++ b/package/dawgdic/Config.in
>> @@ -1,6 +1,8 @@
>>   config BR2_PACKAGE_DAWGDIC
>>       bool "dawgdic"
>>       depends on BR2_INSTALL_LIBSTDCPP
>> +    # std=c11
>> +    depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
> The string conversion functions also exist in 4.6[1].
> 
> However, there is another problem: If an external toolchain is built using GCC
> and uclibc without any additional patches, then you will not have them, because
> of a too-broad feature check in libstdc++ that checks if the C library has
> complete support for C99[2].
> 
> This problem is still unresolved even with the latest GCC. buildroot patches GCC
> to fix this, but if an external toolchain does not ...
> 

Thanks for the report.

I followed the cppreference site:
http://en.cppreference.com/w/cpp/string/byte/strtol (C++11)

Since C++11 start with gcc 4.7, so I haven't looked further...
My bad.

Best regards,
Romain Naour

> [1]:
> https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=libstdc%2B%2B-v3/include/c_std/cstdlib;h=c3fe8aa4507d51375474c2914fb3e812b3a136e0;hb=632cb4d5f22f598d1395fbae90a10fb679e06054
> 
> 
> [2]: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58393