diff --git a/meson-gcc10.patch b/meson-gcc10.patch
new file mode 100644
index 0000000..00801b4
--- /dev/null
+++ b/meson-gcc10.patch
@@ -0,0 +1,36 @@
+From 92102a911d3af9c69d33a386cc32f150bc14ba18 Mon Sep 17 00:00:00 2001
+From: Nirbheek Chauhan <nirbheek@centricular.com>
+Date: Thu, 14 May 2020 09:41:12 +0530
+Subject: [PATCH] gfortran: Fix has_header implementation with GCC 10
+
+__has_include is not accepted as a pre-processor directive in Fortran
+code since GCC 10.
+
+Closes https://github.com/mesonbuild/meson/issues/7017
+---
+ mesonbuild/compilers/fortran.py | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+Index: meson-0.54.1/mesonbuild/compilers/fortran.py
+===================================================================
+--- meson-0.54.1.orig/mesonbuild/compilers/fortran.py
++++ meson-0.54.1/mesonbuild/compilers/fortran.py
+@@ -208,6 +208,18 @@ class GnuFortranCompiler(GnuCompiler, Fo
+     def language_stdlib_only_link_flags(self):
+         return ['-lgfortran', '-lm']
+ 
++    def has_header(self, hname, prefix, env, *, extra_args=None, dependencies=None, disable_cache=False):
++        '''
++        Derived from mixins/clike.py:has_header, but without C-style usage of
++        __has_include which breaks with GCC-Fortran 10:
++        https://github.com/mesonbuild/meson/issues/7017
++        '''
++        fargs = {'prefix': prefix, 'header': hname}
++        code = '{prefix}\n#include <{header}>'
++        return self.compiles(code.format(**fargs), env, extra_args=extra_args,
++                             dependencies=dependencies, mode='preprocess', disable_cache=disable_cache)
++
++
+ class ElbrusFortranCompiler(GnuFortranCompiler, ElbrusCompiler):
+     def __init__(self, exelist, version, for_machine: MachineChoice,
+                  is_cross, info: 'MachineInfo', exe_wrapper=None,
diff --git a/meson.changes b/meson.changes
index d3b9990..1c600c5 100644
--- a/meson.changes
+++ b/meson.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Thu May 14 07:32:14 UTC 2020 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Add meson-gcc10.patch: Fix test suite when using gcc 10.
+
+-------------------------------------------------------------------
+Wed May 13 16:58:09 UTC 2020 - Michael Gorse <mgorse@suse.com>
+
+- Remove is_opensuse conditional and enable mono tests on SLE
+  (jsc#SLE-11721).
+
 -------------------------------------------------------------------
 Mon Apr 27 10:11:58 UTC 2020 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/meson.spec b/meson.spec
index 9667409..0028238 100644
--- a/meson.spec
+++ b/meson.spec
@@ -49,6 +49,8 @@ Patch3:         meson-suse-fix-llvm-3.8.patch
 Patch4:         meson-fix-gcc48.patch
 # PATCH-FEATURE-OPENSUSE meson-distutils.patch tchvatal@suse.com -- build and install using distutils instead of full setuptools
 Patch5:         meson-distutils.patch
+# PATCH-FIX-UPSTREAM dimstar@opensuse.org -- Fix test suite with GCC 10
+Patch6:         meson-gcc10.patch
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  python3-base
@@ -125,15 +127,11 @@ BuildRequires:  rust
 BuildRequires:  wxWidgets-any-devel
 # csharp is not on s390 machines
 %ifnarch s390x
-%if 0%{?is_opensuse}
 BuildRequires:  mono(csharp)
 %endif
-%endif
 %else
 BuildRequires:  boost-devel
-%if 0%{?is_opensuse}
 BuildRequires:  mono-core
-%endif
 BuildRequires:  wxWidgets-devel
 %endif
 %endif
@@ -175,6 +173,7 @@ This package provides support for meson.build files in Vim.
 %if !%{with setuptools}
 %patch5 -p1
 %endif
+%patch6 -p1
 
 # We do not have gmock available at this moment - can't run the test suite for it
 rm -r "test cases/frameworks/3 gmock" \