Compiler version
vivo75 at gmail.com
vivo75 at gmail.com
Thu Jun 28 13:38:37 BST 2012
Il 27/06/2012 23:41, Martin Gräßlin ha scritto:
> On Wednesday 27 June 2012 23:28:30 Ivan Čukić wrote:
>> Hi all,
>>
>> I've tested the waters some time ago [1] what would people say if we
>> started asking for more modern compilers. I've stated there I'll start
>> the discussion on k-c-d once we branch out 4.9, so I'm doing as
>> promised. The post was only about kactivities, but the same could be
>> applied to more stuff.
> Thanks for bringing up the issue, I actually intended to write a similar mail
> tomorrow to request that applications are allowed to require compilers
> supporting C++11 features.
actually for stability and feature related to c++11 gcc-4.7 is nearly
the minimum, but in my experience gcc-4.7 is still a bit rough so +1 for
gcc-4.6
>
>
> So +1 for a minimum requirement of gcc 4.6 or clang 3.1
>
diff between
http://gcc.gnu.org/gcc-4.6/cxx0x_status.html
and
http://gcc.gnu.org/gcc-4.7/cxx0x_status.html
--- cxx0x-gcc-46.txt 2012-06-28 14:33:15.058728078 +0200
+++ cxx0x-gcc-47.txt 2012-06-28 14:33:16.198733511 +0200
@@ -1,27 +1,27 @@
- Status of Experimental C++0x Support in GCC 4.6
+ Status of Experimental C++11 Support in GCC 4.7
- GCC provides experimental support for the upcoming ISO C++
- standard, C++0x. This support can be enabled with the -std=c++0x
- or -std=gnu++0x compiler options; the former disables GNU
- extensions.
+ GCC provides experimental support for the 2011 ISO C++ standard.
+ This support can be enabled with the -std=c++11 or -std=gnu++11
+ compiler options; the former disables GNU extensions.
- GCC's C++0x mode tracks the C++0x working paper drafts produced
- by the ISO C++ committee, available on the ISO C++ committee's
+ GCC's C++11 mode implements much of the C++11 standard produced
+ by the ISO C++ committee. The standard is available from various
+ national standards bodies; working papers from before the
+ release of the standard are available on the ISO C++ committee's
web site at [1]http://www.open-std.org/jtc1/sc22/wg21/. Since
- this standard is still being extended and modified, the feature
- set provided by the experimental C++0x mode may vary greatly
- from one GCC version to another. No attempts will be made to
- preserve backward compatibility with C++0x features whose
- semantics have changed during the course of C++0x
- standardization.
+ this standard has only recently been completed, the feature set
+ provided by the experimental C++11 mode may vary greatly from
+ one GCC version to another. No attempts will be made to preserve
+ backward compatibility with C++11 features whose semantics have
+ changed during the course of C++11 standardization.
- The following table lists which C++0x features are supported in
- this release of GCC. For more information about C++0x support in
- GCC, please see the [2]C++0x in GCC project page.
+ The following table lists which C++11 features are supported in
+ this release of GCC. For more information about C++11 support in
+ GCC, please see the [2]C++11 in GCC project page.
+--------------------------------------------------------------+
| Language Feature | Proposal | Available in |
- | | | GCC 4.6? |
+ | | | GCC 4.7? |
|---------------------------------+-----------+----------------|
| Rvalue references | [3]N2118 | Yes |
|---------------------------------+-----------+----------------|
@@ -30,7 +30,7 @@
| Initialization of class objects | [5]N1610 | Yes |
| by rvalues | | |
|---------------------------------+-----------+----------------|
- | Non-static data member | [6]N2756 | No |
+ | Non-static data member | [6]N2756 | Yes |
| initializers | | |
|---------------------------------+-----------+----------------|
| Variadic templates | [7]N2242 | Yes |
@@ -52,7 +52,7 @@
| New function declarator | [14]N2541 | Yes |
| syntax | | |
|---------------------------------+-----------+----------------|
- | New wording for C++0x lambdas | [15]N2927 | Yes |
+ | New wording for C++11 lambdas | [15]N2927 | Yes |
|---------------------------------+-----------+----------------|
| Declared type of an expression | [16]N2343 | Yes |
|---------------------------------+-----------+----------------|
@@ -64,7 +64,7 @@
| Solving the SFINAE problem for | [19]DR339 | Yes |
| expressions | | |
|---------------------------------+-----------+----------------|
- | Template aliases | [20]N2258 | No |
+ | Template aliases | [20]N2258 | Yes |
|---------------------------------+-----------+----------------|
| Extern templates | [21]N1987 | Yes |
|---------------------------------+-----------+----------------|
@@ -81,7 +81,7 @@
|---------------------------------+-----------+----------------|
| Alignment support | [27]N2341 | No |
|---------------------------------+-----------+----------------|
- | Delegating constructors | [28]N1986 | No |
+ | Delegating constructors | [28]N1986 | Yes |
|---------------------------------+-----------+----------------|
| Inheriting constructors | [29]N2540 | No |
|---------------------------------+-----------+----------------|
@@ -96,13 +96,13 @@
| Universal character name | [34]N2170 | Yes |
| literals | | |
|---------------------------------+-----------+----------------|
- | Extensible literals | [35]N2765 | No |
+ | User-defined literals | [35]N2765 | Yes |
|---------------------------------+-----------+----------------|
| Standard Layout Types | [36]N2342 | Yes |
|---------------------------------+-----------+----------------|
| Defaulted and deleted functions | [37]N2346 | Yes |
|---------------------------------+-----------+----------------|
- | Extended friend declarations | [38]N1791 | No |
+ | Extended friend declarations | [38]N1791 | Yes |
|---------------------------------+-----------+----------------|
| Extending sizeof | [39]N2253 | Yes |
|---------------------------------+-----------+----------------|
@@ -115,7 +115,7 @@
|---------------------------------+-----------+----------------|
| Range-based for | [43]N2930 | Yes |
|---------------------------------+-----------+----------------|
- | Explicit virtual overrides | [44]N2928 | No |
+ | Explicit virtual overrides | [44]N2928 | Yes |
|---------------------------------+-----------+----------------|
| Minimal support for garbage | | |
| collection and | [45]N2670 | No |
@@ -156,7 +156,7 @@
| Dynamic initialization and | [58]N2660 | No |
| destruction with concurrency | | |
|--------------------------------------------------------------|
- | C99 Features in C++0x |
+ | C99 Features in C++11 |
|--------------------------------------------------------------|
| __func__ predefined identifier | [59]N2340 | Yes |
|---------------------------------+-----------+----------------|
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