#!/bin/bash

# pmake.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
# 14-Jul-2004
#
# Copyright 2006, 2007  Patrick J. Volkerding, Sebeka, MN, 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:
export CWD=$SLACKSOURCE/$PKGSERIES/$PACKAGE
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PACKAGE
export PKG=$TMP/package-$PACKAGE
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $PORTARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv3 -mtune=xscale" ;;
   powerpc) export SLKCFLAGS="-O2" ;;
   sparc)   export SLKCFLAGS="-O2" ;;
   hppa)    export SLKCFLAGS="-O2" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
#tar zxvf $CWD/$PACKAGE-$VERSION.tar.gz
tar zxvf $PORTCWD/source/$PACKAGE-$VERSION.tar.Z
cd $PACKAGE

# Create package framework:
mkdir -p $PKG/usr/{bin,doc/$PACKAGE-$VERSION,man/man1}

# Apply patches:
zcat $CWD/pmake.diff.gz | patch -p1 --verbose -E

# Add system makefiles for ix86/alpha/sparc Linux:
tar zxvvf $CWD/sys-linux.mk.tar.gz
# Add system makefiles for ARM:
( cd lib/mk
cat << EOF > sys-arm.mk
arm=    Machine is an ARM
linux=  running linux
SYSV=   This is not only System 5
SVR4=   but even Release 4 compatible
unix=   It runs UNIX.
# some non-standard locations
CC = /usr/bin/cc
AS = /usr/bin/as
AR = /usr/bin/ar
LD = /usr/bin/ld
LINT = :
EOF
ln -fs sys-arm.mk sys-armv4l.mk   # RiscPC & Netwinder
ln -fs sys-arm.mk sys-armv5l.mk   # Iyonix & many others
ln -fs sys-arm.mk sys-armv5tel.mk # Not telling ;-p
)

# Ensure sensible permissions in source:
slackhousekeeping

# Stage 1: Build pmake with GNU make:
make -f makefile || failmake
cp pmake /usr/bin/pmake
( cd /usr/bin   && rm -f vmake && ln -sf pmake vmake )
( cd /usr/share && rm -rf mk   && mkdir mk )
cp -a lib/mk/system.mk lib/mk/*.mk /usr/share/mk

# Stage 2: Build pmake with pmake:
pmake -f makefile clean
pmake -f makefile || failmake
cp pmake /usr/bin/pmake

# Stage 3: Rebuild one more time with itself:
pmake -f makefile clean
pmake -f makefile || failmake
cp pmake /usr/bin/pmake

# Now, we should be good to build the package:
install -m755 pmake $PKG/usr/bin
( cd $PKG/usr/bin ; ln -sf pmake vmake )
mkdir -p $PKG/usr/share/mk
cp -a lib/mk/system.mk lib/mk/*.mk $PKG/usr/share/mk

# Install man pages:
install -m644 $CWD/pmake.1.gz $PKG/usr/man/man1

# Install docs:
cp -a CHANGES INSTALL README \
      $PKG/usr/doc/$PACKAGE-$VERSION
groff -ms -Tascii doc/tutorial.ms > $PKG/usr/doc/$PACKAGE-$VERSION/tutorial.txt

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# Build the package:
if [ $PORTARCH = arm ]; then
   slackmp # run makepkg
  else
   makepkg -l y -c n $PKGSTORE/$PKGSERIES/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz
fi

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