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File Date Author Commit
 .tx 2015-01-12 Guilherme Brondani Torri Guilherme Brondani Torri [9111bb] TX: add config for Qucs translation strings
 autotools 2025-05-12 Felix Salfelder Felix Salfelder [217d40] create sch and vs round trip diffs during tests
 cmake 2025-02-13 David Lanzendörfer David Lanzendörfer [84f884] Fix Makelist parsing
 contrib 2020-02-27 Guilherme Brondani Torri Guilherme Brondani Torri [4f59b3] cmake-format: cleanup qucs list files
 doxygen 2016-01-26 Guilherme Brondani Torri Guilherme Brondani Torri [b3cab4] Add script to run doxygen on qucs/qucs.
 examples 2025-03-30 Felix Salfelder Felix Salfelder [0b98b9] hello world ngspice
 m4 2018-03-12 eroen eroen [d479d0] Use pkg-config to find Qt4
 man 2020-02-27 Guilherme Brondani Torri Guilherme Brondani Torri [4f59b3] cmake-format: cleanup qucs list files
 qucs 2025-06-27 Felix Salfelder Felix Salfelder [efdec3] improve wire label dump/parse
 qucs-activefilter 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 qucs-attenuator 2025-03-28 Felix Salfelder Felix Salfelder [a716ea] Makefile fixes
 qucs-filter 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 qucs-filter-v2 2024-12-08 David Lanzendörfer David Lanzendörfer [6b2f22] Mega patch
 qucs-lib 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 qucs-powercombining 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 qucs-rescodes 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 qucs-transcalc 2025-04-22 Felix Salfelder Felix Salfelder [15614b] fix qt rules in various qucs-*/Makefile.am
 tests 2025-06-27 Felix Salfelder Felix Salfelder [efdec3] improve wire label dump/parse
 translations 2024-05-02 Matthias Koefferlein Matthias Koefferlein [f6a7c6] Rewriting cmake files to Qt5
 .gitignore 2025-04-23 David Lanzendörfer David Lanzendörfer [3b4b5d] Adding integrity check
 AUTHORS 2016-01-28 in3otd in3otd [4d2298] Update authors' names in about dialog and AUTHO...
 CMakeLists.txt 2025-03-24 David Lanzendörfer David Lanzendörfer [992a41] Solve crash when dumping netlists/fix refs
 CONTRIBUTE 2025-05-23 David Lanzendörfer David Lanzendörfer [e5931e] Element "center and relative boundings" are pri...
 ChangeLog 2012-08-08 Frans Schreuder Frans Schreuder [91c066] resolved conflicts
 GPL2 2025-01-13 Felix Salfelder Felix Salfelder [624258] CONTRIBUTE, COPYING, README
 Info.plist 2008-11-27 ela ela [f7822c] 2008-11-27 Stefan Jahn <stefan@...>
 Makefile.am 2024-06-10 Felix Salfelder Felix Salfelder [a2f47f] build fixes
 NEWS 2012-08-08 Frans Schreuder Frans Schreuder [91c066] resolved conflicts
 PLATFORMS 2020-02-13 oxmon-2500 oxmon-2500 [95a897] travis: set python3, fix osx ccache
 README 2025-01-13 Felix Salfelder Felix Salfelder [36509c] README: cleanup and tests
 RELEASE 2015-09-28 Felix Salfelder Felix Salfelder [3bfc98] s/autogen.sh/bootstrap/
 ROADMAP 2025-05-07 Felix Salfelder Felix Salfelder [bb49da] ROADMAP, TODO update
 THANKS 2009-05-17 ela ela [9e40b9] 2009-05-17 Stefan Jahn <stefan@...>
 TODO 2025-05-07 Felix Salfelder Felix Salfelder [bb49da] ROADMAP, TODO update
 TODO.legacy 2025-05-07 Felix Salfelder Felix Salfelder [bb49da] ROADMAP, TODO update
 VERSION 2024-06-10 Felix Salfelder Felix Salfelder [a2f47f] build fixes
 autodsp.sh 2012-08-08 Frans Schreuder Frans Schreuder [91c066] resolved conflicts
 bootstrap 2016-02-08 Felix Salfelder Felix Salfelder [e8a083] import glibtoolize override for darwin (from qu...
 common.mk 2025-03-28 Felix Salfelder Felix Salfelder [a716ea] Makefile fixes
 config.h.cmake 2016-03-28 Guilherme Brondani Torri Guilherme Brondani Torri [6fcced] Remove LANGUAGEDIR definition.
 configure.ac 2025-03-30 Felix Salfelder Felix Salfelder [0b98b9] hello world ngspice
 qt_version.in 2018-07-14 Felix Salfelder Felix Salfelder [e57b51] configure.ac from qt5 rework, backport
 qucsgui.cbp 2017-02-08 Guilherme Brondani Torri Guilherme Brondani Torri [6f2781] remove qucs-help from build

Read Me

Description
===========

Qucs is a graphical user interface for circuit simulation and related tasks
(c) Stefan Jahn 2003, 2005, 2011, GPLv2+, see AUTHORS. This modified,
community maintained version is developped and distributed under GPL3+.

The current work in progress coordinated by Gnucap developpers adds
standardisation and interoperability with other tools. The Gnucap project is
funded through the NGI0 Entrust Fund, a fund established by NLnet with
financial support from the European Commission's Next Generation Internet
programme, under the aegis of DG Communications Networks, Content and
Technology under grant agreement No 101069594.

History
=======

Old homepage: https://qucs.sourceforge.net

Requirements
============

Qucs needs Qt version 5 or later. For simplicity, the Qt configuration is
currently obtained through pkg-config, which you need to install in addition
to Qt.

Qt packages have strange names. Try these for Qt5/6 respectively

# apt install qtbase5-dev qttools5-dev libqt5svg5-dev
# apt install qt6-base-dev qt6-svg-dev

Development
===========

Qucs source code is stored in a git repo. Two build systems are included.
The traditional autotools build system needs to be created by developpers,
when not using a tarball. Run ./bootstrap after cloning. The CMake build
system does not require this step. Choose your pick.

Contribute
==========

See CONTRIBUTE.

Installation
============

Unpack the distribution tarball:

    $ tar xvzf qucs-<version>.tar.gz               (using GNU tar)
    $ gzip -cd qucs-<version>.tar.gz | tar xvf -   (using another tar)

Change into the source directory:

    $ cd qucs-<version>

Configure the source package for your system,

    $ ./configure

Configure the source package, but use Qt6

    $ ./configure --with-qt-name=Qt6

Now compile the package:

    $ make

Qt6 wants a newer standard, use the following.

    $ make CXXFLAGS=-std=c++17

Install Qucs:

    $ make install

You must have root privileges if you want to install the package in the
standard location (/usr/local) or in any location that is only writable
by root.

For further information on installing the package, please consult the
file INSTALL included in this distribution.

Please note:  Users of the FreeBSD OS may use a GNU make (probably gmake)
to compile and install the package.

Getting the latest Git snapshot
===============================

You can always get the latest Qucs version from our Git repository.
Please use an official release if you want to work with Qucs.  The Git
version might not even compile.

    $ git clone http://git.code.sf.net/p/qucs/git qucs-git

Press 'Enter' when asked for a password.  Run `sh bootstrap' and `configure'
(see above) with the appropriate options.  Maintainance currently requires
Autoconf version 2.57 and GNU automake 1.7.0.
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