You can download the following source code libraries here for from BitcoinABC
wget --no-check-certificate https://www.placeh.io/depends-sources/biplist-0.9.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/boost_1_63_0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/boost_1_64_0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/ccache-3.3.3.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/ccache-3.3.6.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/cdrkit-1.1.11.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/clang+llvm-3.7.1-x86_64-linux-gnu-ubuntu-14.04.tar.xz
wget --no-check-certificate https://www.placeh.io/depends-sources/clang+llvm-5.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
wget --no-check-certificate https://www.placeh.io/depends-sources/db-4.8.30.NC.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/db-5.3.28.NC.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/dbus-1.10.14.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/dbus-1.10.18.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/expat-2.2.0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/fontconfig-2.12.6.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/freetype-2.7.1.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/libX11-1.6.2.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/libXau-1.0.8.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/libXext-1.3.2.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/libdmg-hfsplus-v0.1.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/libxcb-1.10.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/miniupnpc-2.0.20170509.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/native_ds_store-1.1.0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/native_mac_alias-1.1.0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/openssl-1.0.1k.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/protobuf-2.6.1.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/qrencode-3.4.4.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/qtbase-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/qtbase-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://www.placeh.io/depends-sources/qttools-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/qttools-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://www.placeh.io/depends-sources/qttranslations-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/qttranslations-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://www.placeh.io/depends-sources/release-2.1.7-rc.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/release-2.1.8-stable.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/v1.1.0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/xcb-proto-1.10.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/xextproto-7.3.0.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/xproto-7.0.26.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/xtrans-1.3.4.tar.bz2
wget --no-check-certificate https://www.placeh.io/depends-sources/zeromq-4.1.5.tar.gz
wget --no-check-certificate https://www.placeh.io/depends-sources/zlib-1.2.11.tar.gz

OR


wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/biplist-0.9.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/boost_1_63_0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/boost_1_64_0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/ccache-3.3.3.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/ccache-3.3.6.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/cdrkit-1.1.11.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/clang+llvm-3.7.1-x86_64-linux-gnu-ubuntu-14.04.tar.xz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/clang+llvm-5.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/db-4.8.30.NC.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/db-5.3.28.NC.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/dbus-1.10.14.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/dbus-1.10.18.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/expat-2.2.0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/fontconfig-2.12.6.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/freetype-2.7.1.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/libX11-1.6.2.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/libXau-1.0.8.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/libXext-1.3.2.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/libdmg-hfsplus-v0.1.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/libxcb-1.10.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/miniupnpc-2.0.20170509.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/native_ds_store-1.1.0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/native_mac_alias-1.1.0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/openssl-1.0.1k.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/protobuf-2.6.1.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qrencode-3.4.4.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qtbase-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qtbase-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qttools-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qttools-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qttranslations-opensource-src-5.7.1.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/qttranslations-opensource-src-5.9.6.tar.xz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/release-2.1.7-rc.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/release-2.1.8-stable.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/v1.1.0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/xcb-proto-1.10.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/xextproto-7.3.0.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/xproto-7.0.26.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/xtrans-1.3.4.tar.bz2
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/zeromq-4.1.5.tar.gz
wget --no-check-certificate https://download.bitcoinabc.org/depends-sources/zlib-1.2.11.tar.gz