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}) {