build-linux_i686.sh

#####################################################
# Icestorm toolchain builder for linux_i686  archs  #
# It should be execute on a Linux x86_64 machine    #
#####################################################

# Generate toolchain-icestorm.tar.gz from source code
# sources: http://www.clifford.at/icestorm/
# This tarball can be unpacked in ~/.platformio/packages

# -- Upstream folder. This is where all the toolchain is stored
# -- from the github
UPSTREAM=upstream

# -- Git url were to retieve the upstream sources
GIT_ICESTORM=https://github.com/cliffordwolf/icestorm.git
GIT_ARACHNE=https://github.com/cseed/arachne-pnr.git
REL_YOSYS=https://github.com/cliffordwolf/yosys/archive/yosys-0.6.tar.gz

# -- Folder for storing the generated packages
PACK_DIR=packages

# -- Target architecture
ARCH=linux_i686

# -- Directory for compiling the tools
BUILD_DIR=build_$ARCH

# -- Icestorm directory
ICESTORM=icestorm
ICEPROG=iceprog
ICEPACK=icepack
ARACHNE=arachne-pnr

# --- Directory where the files for patching the upstream are located
DATA=build-data/$ARCH

# -- toolchain name
NAME=toolchain-icestorm

# -- Directory for installation the target files
INSTALL=$PWD/$BUILD_DIR/$NAME

VERSION=7
PACKNAME=$NAME-$ARCH-$VERSION
TARBALL=$PACKNAME.tar.gz

# Store current dir
WORK=$PWD

# -- TARGET: CLEAN. Remove the build dir and the generated packages
# --  then exit
if [ "$1" == "clean" ]; then
  echo "-----> CLEAN"

  # -- Remove the final package
  rm -r -f $PACK_DIR/$NAME-$ARCH-*

  # -- Remove the build dir
  rm -r -f $BUILD_DIR
  exit
fi



# Install dependencies
echo "Installing dependencies..."
sudo apt-get install build-essential clang bison flex libreadline-dev \
                     gawk tcl-dev libffi-dev git mercurial graphviz   \
                     xdot pkg-config python python3 gcc-multilib \
                     g++-multilib libudev-dev:i386 libftdi-dev:i386 \
                     libftdi1:i386

# Create the upstream directory and enter into it
mkdir -p $UPSTREAM
cd $WORK/$UPSTREAM

# -------- Clone the toolchain from the github
# -- Icetools
git -C $ICESTORM pull || git clone $GIT_ICESTORM $ICESTORM

# -------- Create the packages directory
cd $WORK
mkdir -p $PACK_DIR

# -------- Create the build dir and enter into it
mkdir -p $BUILD_DIR
cd $WORK/$BUILD_DIR

# --- Create the target folder
mkdir -p $NAME
mkdir -p $NAME/bin
mkdir -p $NAME/share

# -- Create the example folder
mkdir -p $NAME/examples

# -- Copy all the examples into it
cp -r $WORK/build-data/examples/* $WORK/$BUILD_DIR/$NAME/examples

# ---- Copy the upstream sources into the build directory
cp -r $WORK/$UPSTREAM/$ICESTORM/$ICEPROG .

# --------- Compile the iceprog ------------------------------------
cd $WORK/$BUILD_DIR/$ICEPROG

# -- Apply the patches
cp $WORK/$DATA/Makefile.iceprog $WORK/$BUILD_DIR/$ICEPROG/Makefile

# -- Compile it!
make

# -- TEST the generated executable
bash $WORK/test/test_iceprog.sh iceprog

# -- Copy the executable to the bin dir
cp iceprog $INSTALL/bin

# ---------------- Compile the icepack ------------------------
cd $WORK/$BUILD_DIR

# -- Copy the sources into the build directory
cp -r $WORK/$UPSTREAM/$ICESTORM/$ICEPACK .
cd $ICEPACK

# -- Apply the patches
cp $WORK/$DATA/Makefile.icepack $WORK/$BUILD_DIR/$ICEPACK/Makefile

# -- Compile it
make

# -- Copy the executable to the bin dir
cp icepack $INSTALL/bin

# ----------- Compile Arachne-pnr ----------------------------------
cd $WORK/$UPSTREAM
git -C $ARACHNE pull || git clone --depth=1 $GIT_ARACHNE

cd $WORK/$BUILD_DIR
cp -r $WORK/$UPSTREAM/$ARACHNE .
cd $ARACHNE

# -- Apply the patches
cp $WORK/$DATA/Makefile.arachne $WORK/$BUILD_DIR/$ARACHNE/Makefile

# -- Copy the chipdb*.bin data files
mkdir -p $WORK/$BUILD_DIR/$NAME/share/$ARACHNE
cp -r $WORK/build-data/$ARACHNE/chip*.bin $WORK/$BUILD_DIR/$NAME/share/$ARACHNE

# -- Compile it
make

# -- Copy the executable to the bin dir
cp bin/arachne-pnr $INSTALL/bin

# ------------ Compile Yosys 0.6 --------------------------------
cd $WORK/$UPSTREAM
test -e yosys-0.6.tar.gz || wget $REL_YOSYS
tar vzxf yosys-0.6.tar.gz

cd $WORK/$BUILD_DIR
cp -r $WORK/$UPSTREAM/yosys-yosys-0.6 .
cd yosys-yosys-0.6

# -- Apply the patches
cp $WORK/$DATA/Makefile.yosys $WORK/$BUILD_DIR/yosys-yosys-0.6/Makefile
cp $WORK/build-data/yosys/version*.cc $WORK/$BUILD_DIR/yosys-yosys-0.6/kernel

# -- Compile it
make -j$(( $(nproc) -1))

# -- Copy the share folder to the install folder
mkdir -p $INSTALL/share/
mkdir -p $INSTALL/share/yosys
cp -r $WORK/build-data/yosys/share/* $INSTALL/share/yosys

# -- Copy the executable files
cp yosys $INSTALL/bin

# ----------------- Compile yosys-abc --------------------------------
echo "-------------> BUILDING YOSYS-ABS:"
cd $WORK/$UPSTREAM
test -d abc || hg clone https://bitbucket.org/alanmi/abc abc

cd $WORK/$BUILD_DIR
cp -r $WORK/$UPSTREAM/abc .
cd abc

# -- Apply the patches
cp $WORK/$DATA/Makefile.yosys-abc $WORK/$BUILD_DIR/abc/Makefile

# -- Compile it
make -j$(( $(nproc) -1))

cp yosys-abc $INSTALL/bin


# ---------------------- Create the package


cd $WORK/$BUILD_DIR
tar vzcf $TARBALL $NAME

# -- Move the package to the packages dir
mv $TARBALL $WORK/$PACK_DIR