open-axiom/src/gui, branch master

Use c++20 to build GUI (#30)

2022-10-27T09:31:14Z

Fixes error: ``` g++ -c -pipe -std=c++11 -Wno-mismatched-tags -Wno-string-plus-int -O2 -Wall -Wextra -D_REENTRANT -fPIC -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -I../../x86_64-pc-linux-gnu/include -I../../../src/gui -I../../../src/include -I../../config -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtWidgets -I/usr/include/x86_64-linux-gnu/qt5/QtGui -I/usr/include/x86_64-linux-gnu/qt5/QtCore -I. -I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++ -o server.o ../../../src/gui/server.cc In file included from ../../../src/include/open-axiom/Lisp:43, from ../../../src/gui/server.h:38, from ../../../src/gui/server.cc:33: ../../../src/include/open-axiom/vm:177:21: error: ‘std::same_as’ has not been declared 177 | template T> ```

Fix minor breakage when building gui

2017-01-22T03:09:41Z

Added -lopen-axiom-core

check for additional C++ compiler options.

2015-04-03T09:25:48Z

Introduce forkStreamByName.

2014-11-20T14:08:30Z

Fix QT5 toAscii() compatibility issue.

2014-10-04T00:50:57Z

Prefer mktemp over tempnam.

2014-02-02T18:13:09Z

* gui/conversation.cc (accumulate_paragraphs): Remove.

2013-06-29T17:36:31Z

(read_output): Remove. (OutputTextArea::add_paragraph): Rewrite. (Conversation::read_reply): Likewise.

Add src/rt for core runtime support.

2013-06-28T05:02:14Z

Add small Lisp evaluator for the benefit of new GUI.

2013-06-27T17:34:51Z

Rewrite s-expression reader.

2013-06-26T11:43:56Z