gcc/jit/docs/cp/intro/tutorial01.rst

   1 .. Copyright (C) 2014-2020 Free Software Foundation, Inc.
   2    Originally contributed by David Malcolm <dmalcolm@redhat.com>
   3
   4    This is free software: you can redistribute it and/or modify it
   5    under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful, but
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  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see
  16    <http://www.gnu.org/licenses/>.
  17
  18 .. default-domain:: cpp
  19
  20 Tutorial part 1: "Hello world"
  21 ==============================
  22
  23 Before we look at the details of the API, let's look at building and
  24 running programs that use the library.
  25
  26 Here's a toy "hello world" program that uses the library's C++ API to
  27 synthesize a call to `printf` and uses it to write a message to stdout.
  28
  29 Don't worry about the content of the program for now; we'll cover
  30 the details in later parts of this tutorial.
  31
  32    .. literalinclude:: ../../examples/tut01-hello-world.cc
  33     :language: c++
  34
  35 Copy the above to `tut01-hello-world.cc`.
  36
  37 Assuming you have the jit library installed, build the test program
  38 using:
  39
  40 .. code-block:: console
  41
  42   $ gcc \
  43       tut01-hello-world.cc \
  44       -o tut01-hello-world \
  45       -lgccjit
  46
  47 You should then be able to run the built program:
  48
  49 .. code-block:: console
  50
  51   $ ./tut01-hello-world
  52   hello world