#!/bin/bash

# Slackware build script for llama.cpp

# Copyright 2026, 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=llama.cpp
VERSION=${VERSION:-0.6.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

OPENSSL_VERSION=4.0.3

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" -o "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=$ARCH -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" -o "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi
# Since we're going to override the release flags below, we need this:
SLKCFLAGS+=" -DNDEBUG"

set -e

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

(
rm -rf openssl-$OPENSSL_VERSION
tar xvf $CWD/openssl-$OPENSSL_VERSION.tar.gz --no-same-owner
cd openssl-$OPENSSL_VERSION
find . ! -type l    -a \( \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \) \)

CC='ccache gcc' LDFLAGS=-static CFLAGS='-static -fPIC' ./Configure linux-x86_64
make
)

source /etc/profile.d/cuda-13.4.sh

rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz --no-same-owner
cd $PRGNAM-$VERSION

find . ! -type l    -a \( \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \) \)




sed -i 's/find_package(OpenSSL)/find_package(OpenSSL REQUIRED)/g' vendor/cpp-httplib/CMakeLists.txt

SSL_DIR=$(readlink -f ../openssl-4.0.3)

#tput reset

mkdir -p build
cd build
set -x
  LD_LIBRARY_PATH="/opt/cuda-13.2/targets/x86_64-linux/lib/:$LD_LIBRARY_PATH" \
  cmake \
    -DCMAKE_C_FLAGS_RELEASE="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS_RELEASE="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DCMAKE_INSTALL_MANDIR=man \
    -DCMAKE_INSTALL_DOCDIR=doc/$PRGNAM-$VERSION \
    -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
    -DCMAKE_C_COMPILER_LAUNCHER=ccache \
    -DLLAMA_OPENSSL=ON \
    -DGGML_BLAS=ON \
    -DDGGML_BLAS_VENDOR=OpenBLAS \
    -DGGML_BACKEND_DL=ON \
    -DGGML_NATIVE=OFF \
    -DGGML_CUDA=ON \
    -DGGML_CUDA_FORCE_CUBLAS=ON \
    -DGGML_CUDA_ENABLE_UNIFIED_MEMORY=1 \
    -DLLAMA_BUILD_TESTS=OFF \
    -DOpenSSL_DIR="$SSL_DIR" \
    -DCMAKE_PREFIX_PATH="$SSL_DIR" \
    -DLIBRARY_PATH="/opt/cuda-13.2/targets/x86_64-linux/lib" \
    -DCMAKE_BUILD_TYPE=Release ..
  make VERBOSE=1
  make install/strip DESTDIR=$PKG
cd ..

#    -DGGML_VULKAN=ON \
#    -DGGML_OPENCL=ON \


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


PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a \
  README.md docs \
  $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild
chmod 644 $PKG/usr/doc/llama.cpp-0.6.0/docs/backend/CANN.md
chmod 644 $PKG/usr/doc/llama.cpp-0.6.0/docs/development/llama-star/idea-arch.key


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