diff --git a/p/Perl/Perl-5.26.0-GCC-7.1.0-2.28-bare.eb b/p/Perl/Perl-5.26.0-GCC-7.1.0-2.28-bare.eb
new file mode 100644
index 00000000..60215809
--- /dev/null
+++ b/p/Perl/Perl-5.26.0-GCC-7.1.0-2.28-bare.eb
@@ -0,0 +1,14 @@
+name = 'Perl'
+version = '5.26.0'
+versionsuffix = '-bare'
+
+homepage = 'http://www.perl.org/'
+description = """Larry Wall's Practical Extraction and Report Language"""
+
+toolchain = {'name': 'GCC', 'version': '7.1.0-2.28'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://www.cpan.org/src/%(version_major)s.0']
+sources = [SOURCELOWER_TAR_GZ]
+
+moduleclass = 'lang'
diff --git a/t/Trilinos/Trilinos-12.10.1-intel-2017a-Python-2.7.11.eb b/t/Trilinos/Trilinos-12.10.1-intel-2017a-Python-2.7.11.eb
index 8663a90b..a134d15d 100644
--- a/t/Trilinos/Trilinos-12.10.1-intel-2017a-Python-2.7.11.eb
+++ b/t/Trilinos/Trilinos-12.10.1-intel-2017a-Python-2.7.11.eb
@@ -38,6 +38,6 @@ dependencies = [
 prebuildopts = 'for NAME in `find -name link.txt`; do cat $NAME | sed -e "s/libcholmod.a/libcholmod.a -lmetis -lcamd -lccolamd/g" | tee $NAME; done &&'                                                                                         
 
 # too parallel is too slow, and may cause build/tests to fail
-maxparallel = 8 
+maxparallel = 1 
 
 moduleclass = 'numlib'