[tlbuild] asy 2.41 sources committed for trial

[John Bowman]

Hi Mojca,
For the CTAN build (only) I removed -std=c++11 to support older platforms
that do not yet fully
support C++11. So I don't know how it got back in there, unless you are
compiling from the github or sourceforge source. Some newer operating
systems apparently require the -std=c++11 but
for unordered_map but we don't actually use any C++11 features yet. You can
override this flag
like I did (by editing configure.ac) for the CTAN build with

./configure  CXXFLAGS=""
or, if you prefer,
./configure  CXXFLAGS="ansi"

As for readline, not having support for this library makes asymptote
essentially useless for interactive work. You just need to upgrade to GNU
readline 4.3 or later, which has been around
since 2004. Some nonGNU readline libraries are missing the history
functionality.

The libOSMesa library, which provides offscreen rendering, is not needed by
the vast majority of users.

Regards,

-- John


On Sun, Mar 26, 2017 at 5:19 AM, Mojca Miklavec <
mojca.miklavec.lists at gmail.com> wrote:

> On 23 March 2017 at 23:44, Karl Berry wrote:
> >
> > John has made another Asymptote release, essentially reverting the build
> > system (C++11 madness) to what it was for last year. Now in TL.
> >
> > Please give it a try at your convenience. (But still don't commit
> > anything to Master.)
>
> On Solaris I get a weird warning (but the compilation succeeds):
>
> configure: WARNING: unordered_map: accepted by the compiler, rejected
> by the preprocessor!
> configure: WARNING: unordered_map: proceeding with the compiler's result
>
> Compiler and flags:
>
> /opt/csw/bin/g++-5.2 -Wall -DHAVE_CONFIG_H -D_FILE_OFFSET_BITS=64
> -DUSEGC  -D_REENTRANT -pthreads -DFFTWPP_SINGLE_THREAD  -std=c++11 -g
> -O3 -fno-var-tracking
>
>
>
> On Mac OS X 10.6 it fails to build with default compiler (probably
> expected), but compilation with clang-3.4 goes smoothly (at least for
> i386 and x86_64, there were some problems with the hardly relevant
> ppc), with two warnings:
>
> configure: *** Could not find GNU libreadline 4.3 or later: will
> compile without readline support ***
> configure: *** Could not find libOSMesa: will compile without
> offscreen rendering support ***
>
> The first one could most likely be fixed easily by adding a statically
> built libreadline if required.
>
> Mojca
>
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