#!/bin/bash
# Copyright 2005, 2006, 2008, 2009, 2010, 2012  Eric Hameleers, Eindhoven, NL
# Copyright 2013, 2014, 2015, 2017, 2018, 2019, 2020, 2023  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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)

PKGNAM=mozilla-nss
SRCNAM=nss
VERSION=${VERSION:-3.106}
NSPR=${NSPR:-4.36}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i586 ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

if [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=pentium4 -mtune=generic"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
else
  SLKCFLAGS=${SLKCFLAGS:-"-O2"}
  LIBDIRSUFFIX=${LIBDIRSUFFIX:-""}
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

NUMJOBS=${NUMJOBS:-" -j $(expr $(nproc) + 1) "}

if [ "$LIBDIRSUFFIX" = "64" -o `gcc -dM -E - < /dev/null | grep -c LP64.*1` -gt 0 ]
then
  export USE_64=1
fi

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf nss-${VERSION}
rm -rf nspr-${NSPR}
tar xvf $CWD/nss-$VERSION.tar.?z || exit 1
cd nss-$VERSION
tar xvf $CWD/nspr-$NSPR.tar.?z || exit 1
mv nspr*/nspr .

## -Werror is problematic with gcc7:
#sed -i "s|\ -Werror| |" nss/coreconf/Werror.mk || exit 1

# Make sure ownerships and permissions are sane:
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# Add AArch64 architecture (and new architectures):
\cp /usr/share/libtool/build-aux/config.* nspr/build/autoconf/

EXTRA_NSS=""
if [ "$ARCH" = "ppc64" ]
then
  # PowerPC64 (big-endian) porting is compiled to support POWER4: disabling POWER8 assembler
  # and vsx crypto instructions 
  #zcat $CWD/ppc64-disable-power8-asm.diff.gz | patch -p1 --verbose || exit 1
  EXTRA_NSS="-Ddisable_crypto_vsx=1"
elif [ "$ARCH" = "i586" ]
then
  EXTRA_NSS="-m32"
fi

# Add Alpha architecture to 64 bit pool:
zcat $CWD/newarch_use_nss_64.diff.gz | patch -p1 --verbose || exit 1

cd nss
./build.sh -v $NUMJOBS --opt --system-sqlite --enable-libpkix --disable-tests $EXTRA_NSS
cd -

# Install all the needed stuff to the package dir:
mkdir -p $PKG/usr/{bin,lib${LIBDIRSUFFIX},include/{nss,nspr}}
cd dist/Release
  cp -pL bin/{certutil,cmsutil,crlutil,modutil,pk12util,shlibsign,signtool,signver,ssltap} $PKG/usr/bin/
  cp -pL lib/* $PKG/usr/lib${LIBDIRSUFFIX}/
  chmod 755 $PKG/usr/lib${LIBDIRSUFFIX}/*.so*
  cp -rL include/* $PKG/usr/include/
  cp -rpL ../public/nss/*.h $PKG/usr/include/nss/
  # Remove some things we do not need:
  rm -f $PKG/usr/bin/*.so
  rm -f $PKG/usr/lib${LIBDIRSUFFIX}/*.{TOC,a}
  rm -rf $PKG/usr/include/nspr/md
  # We require a few static libraries. Why? I don't remember.
  cp -L ../../nss/out/Release/lib{crmf,nssb,nssckfw}.a $PKG/usr/lib${LIBDIRSUFFIX}/ || exit 1
cd -

cd nss/cmd/smimetools
  cp -a smime $PKG/usr/bin/
  chmod 0755 $PKG/usr/bin/smime 
  sed -i -e 's#/usr/local/bin#/usr/bin#g' $PKG/usr/bin/smime
cd -

# Install nspr-config:
cat nspr/Release/config/nspr-config | sed -e "s,^prefix=.*$,prefix=/usr,g" | sed -e "s,libdir=\${exec_prefix}/lib,libdir=\${exec_prefix}/lib${LIBDIRSUFFIX},g" > $PKG/usr/bin/nspr-config
chmod 755 $PKG/usr/bin/nspr-config

# Install nss-config:
sed -e "s,@prefix@,/usr,g" \
    -e "s,@MOD_MAJOR_VERSION@,$(printf $VERSION | cut -d. -f1),g" \
    -e "s,@MOD_MINOR_VERSION@,$(printf $VERSION | cut -d. -f2),g" \
    -e "s,@MOD_PATCH_VERSION@,$(printf $VERSION | cut -d. -f3),g" \
    $CWD/nss-config.in > $PKG/usr/bin/nss-config
chmod 755 $PKG/usr/bin/nss-config

# Provide pkg-config files:
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
cat <<EOT > $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozilla-nss.pc 
prefix=/usr
exec_prefix=\${prefix}
libdir=/usr/lib${LIBDIRSUFFIX}
includedir=\${prefix}/include/nss

Name: NSS
Description: Network Security Services
Version: $VERSION
Requires: nspr >= $NSPR sqlite3
Libs: -L\${libdir} -lnss3 -lsmime3 -lssl3 -lsoftokn3  -lnssutil3
Cflags: -I\${includedir}
EOT
cat <<EOT > $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozilla-nspr.pc 
prefix=/usr
exec_prefix=\${prefix}
libdir=/usr/lib${LIBDIRSUFFIX}
includedir=\${prefix}/include/nspr

Name: NSPR
Description: The Netscape Portable Runtime
Version: $NSPR
Libs: -L\${libdir} -lplds4 -lplc4 -lnspr4
Cflags: -I\${includedir}
EOT

( cd $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
  ln -s mozilla-nspr.pc nspr.pc
  ln -s mozilla-nss.pc nss.pc
)

# Add documentation:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  $CWD/MPL-1.1.txt $CWD/gpl-2.0.txt $CWD/lgpl-2.1.txt \
  $CWD/faq.html \
  $PKG/usr/doc/$PKGNAM-$VERSION
chown -R root:root $PKG/usr/doc/$PKGNAM-$VERSION

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Add a package description:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/${PKGNAM}-${VERSION}-${ARCH}-${BUILD}.txz