#!/bin/bash
# Slackware build script for LLVM/Clang tools for Qt Creator
# Copyright 2020 Andrzej Telszewski, Szczecin
# 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.
PRGNAM=qt-creator-llvm
VERSION=${VERSION:-8.0_c47ba33}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) ARCH=i586 ;;
arm*) ARCH=arm ;;
*) ARCH=$( uname -m ) ;;
esac
fi
CWD=$(pwd)
TMP=${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"
else
SLKCFLAGS="-O2"
LIBDIRSUFFIX=""
fi
set -e
build_install_cmake_tmp()
{
CMAKE_VERSION=3.17.1
mkdir cmake-tmp
pushd cmake-tmp
tar xvf $CWD/cmake-${CMAKE_VERSION}.tar.gz
cd cmake-${CMAKE_VERSION}
mkdir build
cd build
CMAKE_INSTALL_ROOT=$(pwd)
CFLAGS="${SLKCFLAGS}" \
CXXFLAGS="${SLKCFLAGS}" \
../configure \
--prefix=/usr \
--system-curl \
--system-expat \
--no-system-jsoncpp \
--system-zlib \
--system-bzip2 \
--system-libarchive
make || make -j1
make install DESTDIR=${CMAKE_INSTALL_ROOT}
# Favour the CMake version we just built.
export PATH=${CMAKE_INSTALL_ROOT}/usr/bin:${PATH}
# Return to caller's working dir.
popd
# Clean up the environment.
unset CMAKE_INSTALL_ROOT
unset CMAKE_VERSION
# Debug info.
printf "\nPATH: %s\nwhich cmake: %s\n%s\n\n" \
"${PATH}" "$(which cmake)" \
"$($(which cmake) --version | head -n1)"
}
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
mv clang-tools-extra clang/tools/extra
mv clang llvm/tools/clang
cd llvm
chown -R root:root .
chmod -R a-st,u+rwX,go-w+rX .
# Exceptionally, copy docs before the build starts. This can save quite
# some script development time should one of the files be missing.
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/{clang,clang-tools-extra,clazy}
mkdir -p $PKG/install
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/slack-desc > $PKG/install/slack-desc
cp -a CODE_OWNERS.TXT CREDITS.TXT LICENSE.TXT README.txt RELEASE_TESTERS.TXT \
$PKG/usr/doc/$PRGNAM-$VERSION
( cd tools/clang
cp -a CODE_OWNERS.TXT LICENSE.TXT NOTES.txt README.txt \
$PKG/usr/doc/$PRGNAM-$VERSION/clang
cp -a tools/extra/{CODE_OWNERS.TXT,LICENSE.TXT,README.txt} \
$PKG/usr/doc/$PRGNAM-$VERSION/clang-tools-extra
cp -a tools/extra/clazy/{COPYING-LGPL2.txt,Changelog,HOWTO,README.md} \
$PKG/usr/doc/$PRGNAM-$VERSION/clazy
)
# Newer version of CMake than in Slackware 14.2 is needed to build LLVM/Clang.
# Build and install that newer version in temp path.
build_install_cmake_tmp
# Build LLVM/Clang proper.
mkdir -p build
cd build
cmake \
-DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
-DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
-DCMAKE_INSTALL_PREFIX=/usr/libexec/qtcreator/clang \
-DLLVM_LIBDIR_SUFFIX= \
-DCMAKE_BUILD_TYPE=Release \
-DLLVM_BUILD_LLVM_DYLIB=ON \
-DLLVM_LINK_LLVM_DYLIB=ON \
-DLLVM_ENABLE_RTTI=ON \
-DLLVM_ENABLE_ASSERTIONS=OFF \
..
make
make install DESTDIR=$PKG
cd ..
# Remove uneeded components (reduce package size).
find $PKG/usr/libexec/qtcreator/clang/bin -mindepth 1 -not \
\( -name clang -o -name clang-[0-9]\* -o -name clang-tidy -o \
-name clangd -o -name clazy-standalone -o -name llvm-config \) \
-exec rm {} \;
rm -rf $PKG/usr/libexec/qtcreator/clang/libexec
rm -rf $PKG/usr/libexec/qtcreator/clang/share
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
# _clazy_ has troubles finding _libLLVM-8.so_. Help it.
# NOTE: Run _patchelf_ only after running _strip_, otherwise stripping breaks
# the binary. See https://github.com/probonopd/linuxdeployqt/issues/29
patchelf --set-rpath /usr/libexec/qtcreator/clang/lib \
$PKG/usr/libexec/qtcreator/clang/bin/clazy-standalone
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}