Strip trailing slash from pkg-config files

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

0001-pkgconfig-avoid-appending-slash-at-Cflags.patch

@@ -0,0 +1,34 @@
+From 167275763b7eb418b083b2eeb489108047b5d81b Mon Sep 17 00:00:00 2001
+From: Laurent Carlier <lordheavym@gmail.com>
+Date: Tue, 11 Jul 2017 13:42:59 +0200
+Subject: [PATCH] pkgconfig: avoid appending slash at Cflags
+
+otherwise it can break some compilations, see https://bugs.archlinux.org/task/54763
+
+(cherry picked from commit 0283a2fb41fb4c25be1d0078bb40ae761d47462a)
+---
+ mesonbuild/modules/pkgconfig.py | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/mesonbuild/modules/pkgconfig.py b/mesonbuild/modules/pkgconfig.py
+index 09c615ab..c044d91e 100644
+--- a/mesonbuild/modules/pkgconfig.py
++++ b/mesonbuild/modules/pkgconfig.py
+@@ -96,10 +96,11 @@ class PkgConfigModule(ExtensionModule):
+                 ofile.write('Libs.private: {}\n'.format(' '.join(generate_libs_flags(priv_libs))))
+             ofile.write('Cflags:')
+             for h in subdirs:
+-                if h == '.':
+-                    h = ''
+                 ofile.write(' ')
+-                ofile.write(os.path.join('-I${includedir}', h))
++                if h == '.':
++                    ofile.write('-I${includedir}')
++                else:
++                    ofile.write(os.path.join('-I${includedir}', h))
+             ofile.write('\n')
+ 
+     def process_libs(self, libs):
+-- 
+2.13.2
+

meson.spec

@@ -2,12 +2,16 @@
 
 Name:           meson
 Version:        0.41.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        High productivity build system
 
 License:        ASL 2.0
 URL:            http://mesonbuild.com/
 Source0:        https://github.com/mesonbuild/meson/archive/%{version}/%{name}-%{version}.tar.gz
+
+# https://github.com/mesonbuild/meson/commit/0283a2fb41fb4c25be1d0078bb40ae761d47462a
+Patch0001:      0001-pkgconfig-avoid-appending-slash-at-Cflags.patch
+
 BuildArch:      noarch
 Obsoletes:      %{name}-gui < 0.31.0-3
 
@@ -99,6 +103,9 @@ export MESON_PRINT_TEST_OUTPUT=1
 %{rpmmacrodir}/macros.%{name}
 
 %changelog
+* Thu Jul 13 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.41.1-2
+- Strip trailing slash from pkg-config files
+
 * Mon Jun 19 2017 Igor Gnatenko <ignatenko@redhat.com> - 0.41.1-1
 - Update to 0.41.1