libraries/lib3mf: Added (3D Manufacturing Format file).

libraries/lib3mf/README

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+lib3mf is a C++ implementation of the 3D Manufacturing Format file
+standard.
+
+It provides 3MF reading and writing capabilities, as well as conversion
+and validation tools for input and output data.  lib3mf runs on Windows,
+Linux and MacOS and offers a clean and easy-to-use API in various
+programming languages to speed up the development and keep integration
+costs at a minimum.
+
+As 3MF shall become an universal 3D Printing standard, its quick
+adoption is very important. This library shall lower all barriers of
+adoption to any possible user, let it be software providers, hardware
+providers, service providers or middleware tools.
+
+The specification can be downloaded at http://3mf.io/specification/.
+

libraries/lib3mf/lib3mf.SlackBuild

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+#!/bin/bash
+
+# Slackware build script for lib3mf
+
+# Copyright 2024 Christoph Willing  Sydney, Australia
+# 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=lib3mf
+VERSION=${VERSION:-2.3.2}
+BUILD=${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 xf $CWD/$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 {} \;
+
+mkdir -p build
+cd build
+  cmake \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DUSE_INCLUDED_LIBZIP="OFF" \
+    -DUSE_INCLUDED_SSL="OFF" \
+    -DUSE_INCLUDED_ZLIB="OFF" \
+    -DLIB3MF_TESTS="OFF" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_INSTALL_INCLUDEDIR=include/lib3mf \
+    -DCMAKE_INSTALL_LIBDIR=lib${LIBDIRSUFFIX} \
+    -DCMAKE_BUILD_TYPE=Release ..
+
+  make
+  make install/strip DESTDIR=$PKG
+cd ..
+
+# Adjustments to enable discovery by (e.g.) openscad
+#
+(cd $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig && ln -s lib3mf.pc lib3MF.pc)
+(cd $PKG/usr/include/lib3mf && mv -n Bindings/*/*.{h,hpp} . && rm -rf Bindings)
+
+rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la
+
+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
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  CONTRIBUTING.md LICENSE README.md \
+  $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

libraries/lib3mf/lib3mf.info

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+PRGNAM="lib3mf"
+VERSION="2.3.2"
+HOMEPAGE="https://github.com/3MFConsortium/lib3mf"
+DOWNLOAD="https://github.com/3MFConsortium/lib3mf/archive/refs/tags/v2.3.2/lib3mf-2.3.2.tar.gz"
+MD5SUM="0e3521cfd1ddec28bc82593551c1440a"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES=""
+MAINTAINER="Christoph Willing"
+EMAIL="[email protected]"

libraries/lib3mf/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------------------------------------------------------|
+lib3mf: lib3mf (3D Manufacturing Format in C++)
+lib3mf:
+lib3mf: lib3mf provides 3MF reading and writing capabilities, as well as
+lib3mf: conversion and validation tools for input and output data. It offers
+lib3mf: a clean and easy-to-use API in various programming languages to speed
+lib3mf: up the development and keep integration costs at a minimum.
+lib3mf:
+lib3mf: As 3MF shall become an universal 3D Printing standard, its quick
+lib3mf: adoption is very important. This library shall lower all barriers of
+lib3mf: adoption to any possible user, let it be software providers, hardware
+lib3mf: providers, service providers or middleware tools.