Signed-off-by: Martin Jansa <martin.ja...@gmail.com>
---
 meta/recipes-devtools/meson/meson.inc         |  1 +
 ...rn-statements-that-are-seen-with-Wer.patch | 84 +++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 
meta/recipes-devtools/meson/meson/0001-Fix-missing-return-statements-that-are-seen-with-Wer.patch

diff --git a/meta/recipes-devtools/meson/meson.inc 
b/meta/recipes-devtools/meson/meson.inc
index 2d18f72c0c..bfe9851e94 100644
--- a/meta/recipes-devtools/meson/meson.inc
+++ b/meta/recipes-devtools/meson/meson.inc
@@ -16,6 +16,7 @@ SRC_URI = 
"https://github.com/mesonbuild/meson/releases/download/${PV}/meson-${P
            file://cross-prop-default.patch \
            file://many-cross.patch \
            file://cross-libdir.patch \
+           
file://0001-Fix-missing-return-statements-that-are-seen-with-Wer.patch \
            "
 SRC_URI[sha256sum] = 
"ef9f14326ec1e30d3ba1a26df0f92826ede5a79255ad723af78a2691c37109fd"
 SRC_URI[md5sum] = "0267b0871266056184c484792572c682"
diff --git 
a/meta/recipes-devtools/meson/meson/0001-Fix-missing-return-statements-that-are-seen-with-Wer.patch
 
b/meta/recipes-devtools/meson/meson/0001-Fix-missing-return-statements-that-are-seen-with-Wer.patch
new file mode 100644
index 0000000000..1f22755e17
--- /dev/null
+++ 
b/meta/recipes-devtools/meson/meson/0001-Fix-missing-return-statements-that-are-seen-with-Wer.patch
@@ -0,0 +1,84 @@
+From 7e83cf1edac2a57c08ebb1ce7f21c2a539d5c300 Mon Sep 17 00:00:00 2001
+From: Martin Liska <mli...@suse.cz>
+Date: Mon, 15 Jul 2019 10:06:17 +0200
+Subject: [PATCH] Fix missing return statements that are seen with
+ -Werror=return-type.
+
+Error example:
+
+Code:
+
+        #include <locale.h>
+        int main () {
+            /* If it's not defined as a macro, try to use as a symbol */
+            #ifndef LC_MESSAGES
+                LC_MESSAGES;
+            #endif
+        }
+Compiler stdout:
+
+Compiler stderr:
+ In file included from /usr/include/locale.h:25,
+                 from /tmp/tmpep_i4iwg/testfile.c:2:
+/usr/include/features.h:382:4: warning: #warning _FORTIFY_SOURCE requires 
compiling with optimization (-O) [-Wcpp]
+  382 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
+      |    ^~~~~~~
+/tmp/tmpep_i4iwg/testfile.c: In function 'main':
+/tmp/tmpep_i4iwg/testfile.c:8:9: error: control reaches end of non-void 
function [-Werror=return-type]
+    8 |         }
+      |         ^
+cc1: some warnings being treated as errors
+
+Upstream-Status: Backport
+Signed-off-by: Martin Jansa <martin.ja...@gmail.com>
+---
+ mesonbuild/compilers/c.py | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py
+index b0096459..69cf84a4 100644
+--- a/mesonbuild/compilers/c.py
++++ b/mesonbuild/compilers/c.py
+@@ -387,6 +387,7 @@ class CCompiler(Compiler):
+             #ifndef {symbol}
+                 {symbol};
+             #endif
++            return 0;
+         }}'''
+         return self.compiles(t.format(**fargs), env, extra_args=extra_args,
+                              dependencies=dependencies)
+@@ -563,6 +564,7 @@ class CCompiler(Compiler):
+         {prefix}
+         int main(int argc, char **argv) {{
+             {type} something;
++            return 0;
+         }}'''
+         if not self.compiles(t.format(**fargs), env, extra_args=extra_args,
+                              dependencies=dependencies):
+@@ -598,6 +600,7 @@ class CCompiler(Compiler):
+         {prefix}
+         int main(int argc, char **argv) {{
+             {type} something;
++            return 0;
+         }}'''
+         if not self.compiles(t.format(**fargs), env, extra_args=extra_args,
+                              dependencies=dependencies):
+@@ -672,6 +675,7 @@ class CCompiler(Compiler):
+         #include <stdio.h>
+         int main(int argc, char *argv[]) {{
+             printf ("{fmt}", {cast} {f}());
++            return 0;
+         }}'''.format(**fargs)
+         res = self.run(code, env, extra_args=extra_args, 
dependencies=dependencies)
+         if not res.compiled:
+@@ -823,6 +827,7 @@ class CCompiler(Compiler):
+                 #error "No definition for __builtin_{func} found in the 
prefix"
+             #endif
+         #endif
++        return 0;
+         }}'''
+         return self.links(t.format(**fargs), env, extra_args=extra_args,
+                           dependencies=dependencies)
+-- 
+2.17.1
+
-- 
2.17.1

-- 
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