diff -up Slic3r-1.3.0/xs/Build.PL.linker Slic3r-1.3.0/xs/Build.PL

--- Slic3r-1.3.0/xs/Build.PL.linker	2018-05-08 18:47:09.000000000 -0400

+++ Slic3r-1.3.0/xs/Build.PL	2018-06-25 10:48:55.421774896 -0400

@@ -30,6 +30,11 @@ push @cflags, qw(-std=c++11);

 my @ldflags = ();

+if (defined $ENV{SYSTEM_LIBS}) {

+    my $syslibs = $ENV{SYSTEM_LIBS};

+    push @ldflags, split(' ', $syslibs);

+}

+

 if ($linux && (defined $ENV{SLIC3R_STATIC} && $ENV{SLIC3R_STATIC})) {

     push @ldflags, qw(-static-libgcc -static-libstdc++);

     if ($ENV{TRAVIS}) {