#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# libtracefs.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2024  Patrick J. Volkerding, Sebeka, Minnesota, 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Detect whether we're building for /patches:
# This function sets the variable 'SLACKPATCHING'
slack_findpkgstore_is_stablerelease

# Temporary build locations:
shm_tmp # Use /dev/shm if >8GB RAM is available & not mounted 'noexec'
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
tar xf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || failextract
slackhousekeeping

# Apply patches:
sed -i "s|\$(DOC_MAN3) \*.3 \*.m|\$(DOC_MAN3) \$(OUTPUT)\*.3 \$(OUTPUT)\*.m|g" \
  Documentation/Makefile
sed -i "s|install-%.3|\$(OUTPUT)install-%.3|g" \
  Documentation/Makefile
sed -i "s|install-%.1|\$(OUTPUT)install-%.1|g" \
  Documentation/Makefile
sed -i "s|\$(addprefix install-,\$(wildcard \$(OUTPUT)\*.3))|\$(patsubst \$(OUTPUT)%,\$(OUTPUT)install-%,\$(wildcard \$(OUTPUT)\*.3))|" \
  Documentation/Makefile
sed -i "s|\$(addprefix install-,\$(wildcard \$(OUTPUT)\*.1))|\$(patsubst \$(OUTPUT)%,\$(OUTPUT)install-%,\$(wildcard \$(OUTPUT)\*.1))|" \
  Documentation/Makefile

# Install into package:
CFLAGS="$SLKCFLAGS" \
make \
   $NUMJOBS \
   prefix=/usr \
   V=1 \
   DESTDIR=$PKG \
   install || failinstall

CFLAGS="$SLKCFLAGS" \
make \
   $NUMJOBS \
   prefix=/usr \
   V=1 \
   sqlhist || failinstall
mkdir -p $PKG/usr/bin
install -vpm 755 bin/sqlhist $PKG/usr/bin/

make \
   $NUMJOBS \
   prefix=/usr \
   mandir=/usr/man \
   htmldir=/usr/doc/$PKGNAM-$VERSION/html \
   V=1 \
   DESTDIR=$PKG \
   install_doc || failinstall

# The HTML docs just duplicate the man pages, so don't ship them:
rm -rf $PKG/usr/doc/$PKGNAM-$VERSION/html

# Drop static library
rm -f $PKG/usr/lib$LIBDIRSUFFIX/libtracefs.a

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  LICENSES/* README* \
  $PKG/usr/doc/$PKGNAM-$VERSION
#changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall        # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i      # compress man & info pages and delete usr/info/dir
slackslack           # set standard Slackware file/dir permissions and ownerships
slackdesc            # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links