Re: Check for experimental/unordered_set and experimental/unordered_map

[Sergio Belkin]

nevermind... I was confusing Standard C++ Library header. with TS C++
Library header !

El dom., 7 jun. 2020 a las 13:00, Sergio Belkin (<sebelk@gmail.com>)
escribió:

> Hi,
>
> I'd like to check the presence of  experimental/unordered_map and
> experimental/unordered_set so I have in configure.ac:
>
> AC_ARG_ENABLE([experimental],
>   [  --enable-experimental    enable unordered map and unordered set],
> AC_CXX_HEADER_UNORDERED_SET
> AC_CXX_HEADER_UNORDERED_MAP
>   ,  AC_CXX_GNUCXX_HASHMAP
> AC_CXX_GNUCXX_HASHSET
> AS_IF([test  x"$ax_cv_cxx_gnucxx_hashset" = xyes -a
> x"$ax_cv_cxx_gnucxx_hashmap" = xyes],[],AC_MSG_FAILURE([hash headers not
> found]))
> )
> unordered_headers="unordered map and unordered set not found => using
> hash_map and hash_set headers"
>
> AS_IF([test x"$enable_experimental" = xyes], if test
> x"$ax_cv_cxx_unordered_map" = xyes -o x"$ax_cv_cxx_unordered_set" =
> xyes;then [unordered_headers=yes];else
> AC_MSG_WARN([$unordered_headers]);fi,unordered_headers="No. It will be used
> hash headers")
>
> #End of snippet.
>
> I've tested deleting /usr/include/c++/10/experimental/unordered_set and
> /usr/include/c++/10/experimental/unordered_map but it results in
> unordered_headers="yes" anyway.
>
> I'm using ax_cxx_header_unordered_map.m4  and
> ax_cxx_header_unordered_set.m4 macros.
>
> This is my system info:
> OS: Fedora 32:
> autoconf-archive-2019.01.06-5.fc32.noarch
> gcc-10.1.1-1.fc32.x86_64
> gcc-c++-10.1.1-1.fc32.x86_64
> autoconf-2.69-33.fc32.noarch
> libstdc++-devel-10.1.1-1.fc32.x86_64
>
> Please could you help me? Am I doing something wrong?
>
> Thanks in advance!
> --
> --
> Sergio Belkin
> LPIC-2 Certified - http://www.lpi.org
>


-- 
--
Sergio Belkin
LPIC-2 Certified - http://www.lpi.org