development/bcc: Added (BPF Compiler Collection).

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

development/bcc/README

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+BPF Compiler Collection (BCC)
+
+BCC is a toolkit for creating efficient kernel tracing and
+manipulation programs, and includes several useful tools and examples.
+It makes use of extended BPF (Berkeley Packet Filters), formally known
+as eBPF, a new feature that was first added to Linux 3.15. Much of
+what BCC uses requires Linux 4.1 and above.
+
+eBPF was described by Ingo Molnár as:
+
+One of the more interesting features in this cycle is the ability to
+attach eBPF programs (user-defined, sandboxed bytecode executed by the
+kernel) to kprobes. This allows user-defined instrumentation on a live
+kernel image that can never crash, hang or interfere with the kernel
+negatively.
+
+BCC makes BPF programs easier to write, with kernel instrumentation in
+C (and includes a C wrapper around LLVM), and front-ends in Python and
+lua. It is suited for many tasks, including performance analysis and
+network traffic control.
+

development/bcc/bcc.SlackBuild

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+#!/bin/bash
+
+# Slackware build script for bcc
+
+# Copyright 2023, Lockywolf
+# 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=bcc
+TARNAM=bcc-src-with-submodule
+VERSION=${VERSION:-0.28.0}
+BUILD=${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
+tar xvf $CWD/$TARNAM.tar.gz
+cd $PRGNAM
+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 {} \;
+
+sed -i '/CMAKE_CXX_FLAGS/alink_libraries(LLVMSupport LLVMMC LLVMCore LLVMipo LLVMObject LLVMBPFInfo LLVMBPFDesc LLVMExecutionEngine)' CMakeLists.txt
+
+mkdir -p build
+cd build
+cmake \
+  -DCMAKE_C_COMPILER=clang \
+  -DCMAKE_CXX_COMPILER=clang++ \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+    -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
+    -DMAN_INSTALL_DIR=/usr/man \
+    -DENABLE_TESTS=OFF \
+    -DCMAKE_BUILD_TYPE=Release ..
+  make
+  make install/strip DESTDIR=$PKG
+cd ..
+
+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 \
+ FAQ.txt LINKS.md CODEOWNERS QUICKSTART.md \
+CONTRIBUTING-SCRIPTS.md  LICENSE.txt  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

development/bcc/bcc.info

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+PRGNAM="bcc"
+VERSION="0.28.0"
+HOMEPAGE="https://github.com/iovisor/bcc"
+DOWNLOAD="UNSUPPORTED"
+MD5SUM=""
+DOWNLOAD_x86_64="https://github.com/iovisor/bcc/releases/download/v0.28.0/bcc-src-with-submodule.tar.gz"
+MD5SUM_x86_64="175358514709159d80a4de42cde8ed67"
+REQUIRES="libbpf"
+MAINTAINER="Lockywolf"
+EMAIL="for_sbo.bcc_2023-07-12@lockywolf.net"

development/bcc/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------------------------------------------------------|
+bcc: bcc (BPF Compiler Collection)
+bcc:
+bcc: BCC is a toolkit for creating efficient kernel tracing and
+bcc: manipulation programs, and includes several useful tools and
+bcc: examples. It makes use of extended BPF (Berkeley Packet Filters),
+bcc: formally known as eBPF, a new feature that was first added to Linux
+bcc: 3.15. Much of what BCC uses requires Linux 4.1 and above.
+bcc:
+bcc:
+bcc:
+bcc: