ham/libsigmf: Added (C++ library for SigMF metadata).

Signed-off-by: Andrew Clemons <andrew.clemons@gmail.com>

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

ham/libsigmf/README

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+libsigmf is a header-only C++ library for working with SigMF metadata.
+It is provided under the Apache License 2.0 and the copyright notice
+can be found in NOTICE.

ham/libsigmf/libsigmf.SlackBuild

@@ -0,0 +1,117 @@
+#!/bin/bash
+
+# Slackware build script for libsigmf
+
+# Copyright 2023 Andrea Sacchetti Picchio Italy
+# 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=libsigmf
+VERSION=${VERSION:-20231212.b9d14e21}
+SRCVERSION=${SRCVERSION:-b9d14e2199bfcd958e16c33612ab35295e527087}
+VERSION_flatbuffers=${VERSION_flatbuffers:-d8210d5a83faa345046648e520d82b54ea724e35}
+BUILD=${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 $PRGNAM-$SRCVERSION
+unzip $CWD/$PRGNAM-$SRCVERSION.zip
+cd $PRGNAM-$SRCVERSION
+unzip $CWD/flatbuffers-$VERSION_flatbuffers.zip
+rm -rf external/flatbuffers
+mv flatbuffers-${VERSION_flatbuffers} external/flatbuffers
+
+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" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
+    -DMAN_INSTALL_DIR=/usr/man \
+    -DUSE_SYSTEM_JSON=ON \
+    -DUSE_SYSTEM_FLATBUFFERS=OFF \
+    -DENABLE_EXAMPLES=OFF ..
+  make
+  make install/strip DESTDIR=$PKG
+cd ..
+
+# Fix (it seems that LIB_SUFFIX is not taken into account)
+[ -d $PKG/usr/lib -a ! -e $PKG/usr/lib$LIBDIRSUFFIX ] && mv $PKG/usr/lib $PKG/usr/lib$LIBDIRSUFFIX
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  ABOUT CONTRIBUTING.md LICENSE NOTICE 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

ham/libsigmf/libsigmf.info

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+PRGNAM="libsigmf"
+VERSION="20231212.b9d14e21"
+HOMEPAGE="https://github.com/f4exb/libsigmf/"
+DOWNLOAD="https://github.com/f4exb/libsigmf/archive/b9d14e21/libsigmf-b9d14e2199bfcd958e16c33612ab35295e527087.zip \
+          https://github.com/google/flatbuffers/archive/d8210d5a/flatbuffers-d8210d5a83faa345046648e520d82b54ea724e35.zip"
+MD5SUM="85fcd782696082c48e1654b050d0ba98 9cd198fc0c93c4cd7bf632eb80a39286"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="nlohmann_json"
+MAINTAINER="Andrea Sacchetti Picchio"
+EMAIL="andrea dot sacchettipicchio at gmail dot com"

ham/libsigmf/slack-desc

@@ -0,0 +1,19 @@
+# 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------------------------------------------------------|
+libsigmf: libsigmf (SigMF metadata)
+libsigmf:
+libsigmf: libsigmf is a header-only C++ library for working with SigMF metadata.
+libsigmf:
+libsigmf:
+libsigmf:
+libsigmf:
+libsigmf:
+libsigmf:
+libsigmf: Homepage: https://github.com/f4exb/libsigmf/
+libsigmf: