From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 9 Oct 2018 18:16:00 +0000 (-0700)
Subject: Port --enable-gcc-warnings to recent clang
X-Git-Tag: emacs-27.0.90~4320
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7f1beabfcdcb58d90aa78db22b9a123faf298749;p=emacs.git

Port --enable-gcc-warnings to recent clang

* configure.ac: Disable -Wnull-pointer-arithmetic if clang (Bug#32924).
---

diff --git a/configure.ac b/configure.ac
index 6f3d7338c35..df910280b43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1019,9 +1019,10 @@ AS_IF([test $gl_gcc_warnings = no],
   gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
   gl_WARN_ADD([-Wno-format-nonliteral])
 
-  # clang is unduly picky about braces.
+  # clang is unduly picky about some things.
   if test "$emacs_cv_clang" = yes; then
     gl_WARN_ADD([-Wno-missing-braces])
+    gl_WARN_ADD([-Wno-null-pointer-arithmetic])
   fi
 
   # This causes too much noise in the MinGW build