[gnome-builder] build: add more -Werror and add some warnings

[Christian Hergert <chergert src gnome org>]

commit 838a1a4dfd67f99245571b8c19876f588f922a78
Author: Christian Hergert <chergert redhat com>
Date:   Sun Dec 17 01:09:52 2017 -0800

    build: add more -Werror and add some warnings

 meson.build                 |   18 +++++++++++++++---
 src/plugins/gdb/meson.build |    1 +
 2 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/meson.build b/meson.build
index 8f5831b..7caf19a 100644
--- a/meson.build
+++ b/meson.build
@@ -90,7 +90,6 @@ global_c_args = []
 test_c_args = [
   '-Wcast-align',
   '-Wdeclaration-after-statement',
-  ['-Werror=format-security', '-Werror=format=2'],
   '-Wformat-nonliteral',
   '-Wformat-security',
   '-Wmissing-include-dirs',
@@ -100,11 +99,24 @@ test_c_args = [
   '-Wno-unused-parameter',
   '-Wpointer-arith',
   '-Wredundant-decls',
-  '-Wshadow',
   '-Wswitch-default',
   '-Wswitch-enum',
   '-Wuninitialized',
-  '-Wundef',
+  ['-Werror=format-security', '-Werror=format=2' ],
+  '-Werror=empty-body',
+  '-Werror=implicit-function-declaration',
+  '-Werror=incompatible-pointer-types',
+  '-Werror=pointer-arith',
+  '-Werror=init-self',
+  '-Werror=int-conversion',
+  '-Werror=misleading-indentation',
+  '-Werror=missing-include-dirs',
+  '-Werror=overflow',
+  '-Werror=parenthesis',
+  '-Werror=return-type',
+  '-Werror=shadow',
+  '-Werror=strict-prototypes',
+  '-Werror=undef',
 ]
 if get_option('buildtype') != 'plain'
   test_c_args += '-fstack-protector-strong'
diff --git a/src/plugins/gdb/meson.build b/src/plugins/gdb/meson.build
index 96ecb74..df5a986 100644
--- a/src/plugins/gdb/meson.build
+++ b/src/plugins/gdb/meson.build
@@ -15,6 +15,7 @@ gdb_sources = [
 gdbwire = static_library('gdbwire', ['gdbwire.c'],
   c_args: [ '-Wno-redundant-decls',
             '-Wno-switch-default',
+            '-Wno-missing-declarations',
             '-Wno-declaration-after-statement' ],
 )