[glib: 1/4] meson: Add -Wno-format-zero-length for gcc/clang builds

[Philip Withnall <pwithnall src gnome org>]

commit 4cf4dbfc1e36d0b792b0e4f6eb2359787ff9e155
Author: Martin Storsjö <martin martin st>
Date:   Mon Apr 27 16:19:35 2020 +0300

    meson: Add -Wno-format-zero-length for gcc/clang builds
    
    Zero length format strings isn't something that needs to be warned
    about.

 meson.build | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/meson.build b/meson.build
index 34d830c21..b13739792 100644
--- a/meson.build
+++ b/meson.build
@@ -396,6 +396,8 @@ if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
     # Due to function casts through (void*) we cannot support -Wpedantic:
     # https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
     '-Wno-pedantic',
+    # A zero-length format string shouldn't be considered an issue.
+    '-Wno-format-zero-length',
     '-Werror=declaration-after-statement',
     '-Werror=format=2',
     '-Werror=implicit-function-declaration',