Merge branch 'GSL-GCC' into '2020'

Gsl gcc

See merge request hps-public/easybuild-repository!89

Golden_Repo/g/GSL/GSL-2.6-GCC-9.3.0.eb

+easyblock = 'ConfigureMake'
+
+name = 'GSL'
+version = '2.6'
+
+homepage = 'http://www.gnu.org/software/gsl/'
+description = """The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers.
+ The library provides a wide range of mathematical routines such as random number generators, special functions
+ and least-squares fitting.
+"""
+
+site_contacts = 'a.kreuzer@fz-juelich.de'
+
+toolchain = {'name': 'GCC', 'version': '9.3.0'}
+toolchainopts = {'opt': True, 'optarch': True, 'unroll': True, 'pic': True}
+
+source_urls = [GNU_SOURCE]
+sources = [SOURCELOWER_TAR_GZ]
+
+configopts = "--with-pic"
+
+moduleclass = 'numlib'