academic/xschem: Added (schematic capture program).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

academic/xschem/README

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+Xschem is a schematic capture program, it allows creation of
+hierarchical representation of circuits with a top down approach . By
+focusing on interfaces, hierarchy and instance properties a complex
+system can be described in terms of simpler building blocks. A VHDL
+or Verilog or Spice netlist can be generated from the drawn schematic,
+allowing the simulation of the circuit. Key feature of the program is
+its drawing engine written in C and using directly the Xlib drawing
+primitives; this gives very good speed performance, even on very big
+circuits. The user interface is built with the Tcl-Tk toolkit, tcl is
+also the extension language used.  - hierarchical schematic drawings,
+no limits on size - any object in the schematic can have any sort of
+properties (generics in VHDL, parameters in Spice or Verilog) - new
+Spice/Verilog primitives can be created, and the netlist format can
+be defined by the user -tcl extension language allows the creation
+of scripts; any user command in the drawing window has an associated
+tcl comand - VHDL / Verilog / Spice netlist, ready for simulation -
+Behavioral VHDL / Verilog code can be embedded as one of the properties
+of the schematic block,

academic/xschem/doinst.sh

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+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi
+

academic/xschem/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+      |-----handy-ruler------------------------------------------------------|
+xschem: xschem (schematic capture program)
+xschem:
+xschem: It support various simulators, build it waveform viewer and it can
+xschem: connect with other waveform viewer like gaw and BeSpice
+xschem:
+xschem:
+xschem:
+xschem:
+xschem:
+xschem:
+xschem:

academic/xschem/xschem.SlackBuild

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+#!/bin/bash
+
+# Slackware build script for xschem
+
+# Copyright 2023 Alfredo USA
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PRGNAM=xschem
+VERSION=${VERSION:-3.4.4}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+PKGTYPE=${PKGTYPE:-tgz}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
+  exit 0
+fi
+
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
+cd $PRGNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+
+make install PREFIX=/usr DESTDIR=$PKG
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
+mkdir -p $PKGDOC
+
+cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+printf "\033[32m remane usr/share/doc/${PRGNAM} usr/share/doc/$PRGNAM-$VERSION\033[0m\n"
+mv usr/share/doc/${PRGNAM} usr/doc/$PRGNAM-$VERSION
+rm -rf $PKG/usr/share/doc
+
+printf "\033[32m create desktop and icons\033[0m\n"
+mkdir -p usr/share/applications
+mkdir -p usr/share/pixmaps/xschem/
+cp $CWD/${PRGNAM}.desktop usr/share/applications/
+cp $CWD/${PRGNAM}.png usr/share/pixmaps/xschem/
+
+# compress the manual
+
+printf "\033[32mcompress manual in ${PKG}/usr/share/doc/share/man\033[0m\n"
+find usr/share/man -name "*.[12345678n]" -exec gzip {} \;
+mv $PKG/usr/share/man $PKG/usr/
+
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

academic/xschem/xschem.desktop

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+[Desktop Entry]
+Exec=/usr/bin/xschem 
+InitialPreference=2
+MimeType=application/xscheme;
+Name=xscheme
+Comment=Schematic capture
+Icon=/usr/share/pixmaps/xschem/xschem.png
+Terminal=false
+Type=Application
+Categories=Graphics;
+Keywords=CAD;simualtion;design;drawing;

academic/xschem/xschem.fig

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+#FIG 3.2  Produced by xfig version 3.2.8b
+Landscape
+Center
+Inches
+Letter
+100.00
+Single
+-2
+1200 2
+4 0 4 50 -1 18 16 0.0000 4 210 1185 225 600 XSCHEM\001

academic/xschem/xschem.info

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+PRGNAM="xschem"
+VERSION="3.4.4"
+HOMEPAGE="https://xschem.sourceforge.io/stefan/index.html"
+DOWNLOAD="https://sourceforge.net/projects/xschem/files/xschem-3.4.4.tar.gz"
+MD5SUM="d9dbdce18579fb6dc4c08ac942dd8001"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES=""
+MAINTAINER="A. Tomasini"
+EMAIL="alto dot tom at gmail dot com"