From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Thu, 11 Nov 2021 12:24:06 +0000 (+0100)
Subject: cmake: take over some fatal warnings from autotools
X-Git-Tag: dbus-1.13.20~32^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=956aac65d49c36d27c5c7b1c569bb6c2571ae584;p=thirdparty%2Fdbus.git

cmake: take over some fatal warnings from autotools

Adopt various fatal warnings from the autotools build system
to see corresponding build errors also in cmake.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc5d60d67..c18bb2d9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -271,7 +271,13 @@ if(MSVC)
 else()
     set(WARNINGS "sign-compare")
     set(WARNINGS_DISABLED "")
-    set(WARNINGS_ERRORS "")
+    set(WARNINGS_ERRORS
+        missing-prototypes
+        strict-prototypes
+        declaration-after-statement
+        implicit-function-declaration
+        undef
+    )
 endif()
 generate_warning_cflags(WARNINGS_CFLAGS "${WARNINGS}" "${WARNINGS_DISABLED}" "${WARNINGS_ERRORS}")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNINGS_CFLAGS}")