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authorDaniel Stenberg <daniel@haxx.se>2017-09-08 14:48:45 +0200
committerDaniel Stenberg <daniel@haxx.se>2017-09-08 23:16:16 +0200
commitf8548e84adc4cc55c274beb23690b8a5f5b827bf (patch)
tree0c48c858662657a83a186f4b7ff56f2fb28cb143 /m4
parent261da2a6685c0185283dbf72ce543e9fd81e9bd8 (diff)
configure: use -Wno-varargs on clang 3.9[.X] debug builds
... to avoid a clang bug
Diffstat (limited to 'm4')
-rw-r--r--m4/curl-compilers.m47
1 files changed, 6 insertions, 1 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 7705e637f..422946e26 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -5,7 +5,7 @@
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
-# Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
@@ -922,6 +922,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
dnl Only clang 3.9 or later
if test "$compiler_num" -ge "309"; then
tmp_CFLAGS="$tmp_CFLAGS -Wcomma"
+ # avoid the varargs warning, fixed in 4.0
+ # https://bugs.llvm.org/show_bug.cgi?id=29140
+ if test "$compiler_num" -lt "400"; then
+ tmp_CFLAGS="$tmp_CFLAGS -Wno-varargs"
+ fi
fi
fi
;;