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switch to C++14 compilation

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* configure.ac: Compile in C++14 by default and rename
--enable-c++14 as c++17.
* doc/org/compile.org, doc/org/concepts.org, doc/org/index.org,
doc/org/install.org, doc/org/tut.org, doc/org/upgrade2.org, HACKING,
NEWS, README: Adjust all mentions of C++11.
* spot/twaalgos/stats.hh: Use std::make_unique.
This commit is contained in:
Alexandre Duret-Lutz 2017-08-22 11:25:57 +02:00
parent 7f42782701
commit f5dce597c6
11 changed files with 71 additions and 105 deletions
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20
doc/org/compile.org
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@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
#+TITLE: Compiling against Spot
#+DESCRIPTION: How to compile C++11 programs using Spot
#+DESCRIPTION: How to compile C++14 programs using Spot
#+SETUPFILE: setup.org
#+HTML_LINK_UP: tut.html
@ -39,10 +39,10 @@ obvisously. On this page, we are going to assume that you use =g++=
same user interface. To successfully build the =hello= program, we
might need to tell the compiler several things:
1. The language that we use is C++11 (or C++14). This usually
requires passing an option like =-std=c++11=. Note that with
version 6 of =g++= the default is now to compile C++14, so this
option is not necessary.
1. The language that we use is C++14 (or optionally C++17). This
usually requires passing an option like =-std=c++14=. Note that
with version 6 of =g++= the default is now to compile C++14, so
this option is not necessary.
2. The C++ preprocessor should be able to find =spot/misc/version.hh=.
This might require appending another directory to the include
search path with =-I location=.
@ -78,7 +78,7 @@ be able to find everything by default, and you should be able to
compile =hello.cc= and then execute =hello= with
#+BEGIN_SRC sh
g++ -std=c++11 hello.cc -lspot -o hello
g++ -std=c++14 hello.cc -lspot -o hello
./hello
#+END_SRC
@ -101,11 +101,11 @@ This means that all spot headers have been installed in
Usually, these directories are searched by default, so
#+BEGIN_SRC sh
g++ -std=c++11 hello.cc -lspot -o hello
g++ -std=c++14 hello.cc -lspot -o hello
#+END_SRC
should still work. But if that is not the case, add
#+BEGIN_SRC sh
g++ -std=c++11 -I/usr/local/include hello.cc -L/usr/local/lib -lspot -o hello
g++ -std=c++14 -I/usr/local/include hello.cc -L/usr/local/lib -lspot -o hello
#+END_SRC
If running =./hello= fails with a message about not finding =libspot.so=,
@ -131,7 +131,7 @@ libraries in =$HOME/usr/lib=.
You would compile =hello.cc= with
#+BEGIN_SRC sh
g++ -std=c++11 -I$HOME/usr/include hello.cc -L$HOME/usr/lib -lspot -o hello
g++ -std=c++14 -I$HOME/usr/include hello.cc -L$HOME/usr/lib -lspot -o hello
#+END_SRC
and execute with
#+BEGIN_SRC sh
@ -184,7 +184,7 @@ There are at least two traps with this scenario:
So compiling against a non-installed Spot would look like this:
#+BEGIN_SRC sh
/dir/spot-X.Y/libtool link g++ -std=c++11 -I/dir/spot-X.Y -I/dir/spot-X.Y/buddy/src hello.cc /dir/spot-X.Y/spot/libspot.la -o hello
/dir/spot-X.Y/libtool link g++ -std=c++14 -I/dir/spot-X.Y -I/dir/spot-X.Y/buddy/src hello.cc /dir/spot-X.Y/spot/libspot.la -o hello
#+END_SRC
Using =libtool link g++= instead of =g++= will cause =libtool= to