#!/bin/sh
NAME='libchewing'
ARCH=$(uname -m)
BUILD_DIR="/tmp/${NAME}_build"
OUTPUTDIR='/tmp/out'
SOURCEDIR='/tmp/source'

## build dependencies ##
BUILD_DEPS="autogen-dev.tcz
automake.tcz
cmake.tcz
compiletc.tcz
git.tcz
libtool-dev.tcz
ncursesw-dev.tcz
sqlite3-dev.tcz
squashfs-tools.tcz
"

echo tce-load -w $BUILD_DEPS
tce-load -w $BUILD_DEPS > /dev/null 2>&1
echo tce-load -i $BUILD_DEPS
tce-load -i $BUILD_DEPS > /dev/null 2>&1 || exit 1

rm -fr $OUTPUTDIR
mkdir $OUTPUTDIR

## get source ##
sudo rm -fr $BUILD_DIR
mkdir -p $BUILD_DIR && cd $BUILD_DIR || { echo Can not create $BUILD_DIR >&2; exit 1; }
git clone https://github.com/chewing/libchewing.git
cd libchewing || exit 1

# enable `subdir-objects` #
# sed -i 's/AM_INIT_AUTOMAKE/AM_INIT_AUTOMAKE(\[subdir-objects\])/g' configure.ac

## compile flags ##
FLAGS_i686='-march=i486 -mtune=i686 '
FLAGS_x86_64='-mtune=generic '
eval CFLAGS="\$FLAGS_${ARCH}"
eval CXXFLAGS="\$FLAGS_${ARCH}"
CFLAGS="${CFLAGS}-Os -pipe -fno-exceptions -flto -fuse-linker-plugin"
CXXFLAGS="${CXXFLAGS}-Os -pipe -fno-exceptions -flto -fuse-linker-plugin -fno-rtti"
LDFLAGS="-Wl,-O1"
export CFLAGS CXXFLAGS LDFLAGS

## configure ##
cmake . \
-DCMAKE_INSTALL_PREFIX:PATH=/usr/local \
-DCMAKE_INSTALL_LIBDIR:PATH=lib \
2> ${BUILD_DIR}/cmake2 | tee ${BUILD_DIR}/cmake1

## make ##
make -j 2> ${BUILD_DIR}/make2 | tee ${BUILD_DIR}/make1
make DESTDIR=${BUILD_DIR}/${NAME}-base install
[ $? != 0 ] && {
  echo Error occur, make install failed >&2
  exit 1
}

## strip ##
find ${BUILD_DIR}/${NAME}-base -type f -exec file {} + | \
grep 'not stripped' | cut -d : -f 1 | \
xargs strip --strip-unneeded

## packing up ##
cd ${BUILD_DIR}/${NAME}-base
## dev ##
EXT='-dev'
for dev in $(find . -name *.a -o -name *.la -o -name *.h -o -name *.m4 -o -name *.pc); do
  path=${dev#./}
  path=${path%/*}
  mkdir -p ${BUILD_DIR}/${NAME}${EXT}/$path
  mv $dev ${BUILD_DIR}/${NAME}${EXT}/$path
done 2> /dev/null

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}${EXT}.tcz
printf 'libchewing.tcz
ncursesw-dev.tcz
sqlite3-dev.tcz
' > ${OUTPUTDIR}/${NAME}${EXT}.tcz.dep

## doc ##
EXT='-doc'
mkdir -p ${BUILD_DIR}/${NAME}${EXT}/usr/local/share/doc/${NAME}
cp ${BUILD_DIR}/${NAME}/AUTHORS \
${BUILD_DIR}/${NAME}/COPYING \
${BUILD_DIR}/${NAME}${EXT}/usr/local/share/doc/${NAME}

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}${EXT}.tcz

## base ##
EXT='-base'
# remove empty directory
find . -depth -type d -exec rmdir {} \; 2> /dev/null

sudo chown root:root -R ${BUILD_DIR}/${NAME}${EXT}
mksquashfs ${BUILD_DIR}/${NAME}${EXT} ${OUTPUTDIR}/${NAME}.tcz
printf 'sqlite3.tcz\n' > ${OUTPUTDIR}/${NAME}.tcz.dep