build_libffi() {

HERE=`pwd`
NAME=libffi
VER=3.0.10
BUILDDEPS="compiletc.tcz"
#DEPS=

if [ ! -f libffi-3.0.10.tar.gz ]; then
wget ftp://sourceware.org/pub/libffi/libffi-3.0.10.tar.gz
fi

for I in `echo "$BUILDDEPS"`; do 
su tc -c "tce-load -i "$I"" || su tc -c "tce-load -iw "$I""
done

PKGPATH=$1
export LDFLAGS="-L$PKGPATH/lib"
export CPPFLAGS="-I$PKGPATH/include"
export PATH="$PKGPATH/bin:$PATH"
export PKG_CONFIG_PATH="$PKGPATH/lib/pkgconfig:$PKG_CONFIG_PATH"
export LD_LIBRARY_PATH="$PKGPATH/lib"

tar xvf libffi-3.0.10.tar.xz || exit 1
cd libffi-3.0.10 || exit 1
./configure --prefix="$PKGPATH" --bindir="$PKGPATH"/localbin || exit 1
make || exit 1
make install || exit 1
cd "$HERE"
touch "$TMPDIR"/libffi
}