src_name=python3
version=3.6.5
archive_name=Python-$version.tar.xz
url0=https://www.python.org/ftp/python/$version/$archive_name

src_dir=$src_dir_root/Python-$version
cd $src_dir_root
rm -Rf Python-$version
tar xf $archive_name

cd $src_dir

# we will use python3 for more than a SDK usage: youtube-dl (zlib and libressl)
export "PKG_CONFIG_PATH=\
/nyan/zlib/current/lib/pkgconfig:\
/nyan/libressl/current/lib/pkgconfig:\
/nyan/expat/current/lib/pkgconfig:\
/nyan/libffi/current/lib/pkgconfig"

# setup.py is just raw crap at detecting "modules"
sed -i -e "/system_include_dirs =/ c\        system_include_dirs = \
['/nyan/zlib/current/include', \
'/nyan/libressl/current/include']" ./setup.py
sed -i -e "/system_lib_dirs =/ c\        system_lib_dirs = \
['/nyan/glibc/current/lib', \
'/nyan/zlib/current/lib', \
'/nyan/libressl/current/lib']" ./setup.py

# fix the ssl module with recent libressl
sed -i -e '107 c\#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)' ./Modules/_ssl.c
sed -i -e '143 c\#elif (OPENSSL_VERSION_NUMBER >= 0x10101000L)' ./Modules/_ssl.c

build_dir=$builds_dir_root/$pkg_name-$version
rm -Rf $build_dir
mkdir -p $build_dir
cd $build_dir

export 'CC=gcc -B/nyan/glibc/current/lib -L/nyan/glibc/current/lib -Wl,-rpath-link,/nyan/glibc/current/lib -static-libgcc'
export OPT=-O2
export "CFLAGS=-pipe -fPIC $(pkg-config --cflags expat libffi zlib openssl)"
export "LDFLAGS=$(pkg-config --libs --static expat libffi zlib openssl)"
$src_dir/configure				\
	--prefix=/nyan/python3/0		\
	--disable-shared			\
	--disable-ipv6				\
	--with-system-expat			\
	--with-system-ffi			\
	--without-system-libmpdec		\
	--with-threads
unset LDFLAGS
unset CFLAGS
unset OPT
unset CC

make -j $threads_n 
make install

# cleanup and tidying
rm -Rf /nyan/$src_name/0/share
find /nyan/$src_name/0 -type f | while read f; do if file $f | egrep 'ELF.+(shared|executable)' >/dev/null; then strip -s $f; fi; done

rm -Rf $build_dir $src_dir